[User]
How does sweating cool the body?
Options:
- (A) Riding a bike
- (B) all liquids
- (C) layers of fat
- (D) staying warm
- (E) evaporation
- (F) Animal survival
- (G) matter vibrating
- (H) hydration
--
Let's think first: Sweating reduces body heat. Sweat cools the body by evaporation, which removes heat from the body surface. Sweating cools the body by evaporation.... So the answer is [(E)]
What moves with long filaments?
Options:
- (A) prokaryotes
- (B) sponges
- (C) an object
- (D) lizards
- (E) protein
- (F) sensory neurons
- (G) insects
- (H) Most plants
--
Let's think first: Flagella help prokaryotes move. Flagella are long filaments made up of the protein flagellin. Long filaments help prokaryotes move.... So the answer is [(A)]
What is bilaterally symmetrical and a protostome?
Options:
- (A) gastropod shells
- (B) honeybees
- (C) humans
- (D) shells
- (E) bears
- (F) the common snail
- (G) peachleaf willow
- (H) the eyes
--
Let's think first: Mollusks are invertebrates such as the common snail. Mollusks are bilateraly symetrical and are protostomes. The common snail is bilaterally symmetrical and a protostome.... So the answer is [(F)]
What do cells secrete to maintain the proper ph for enzymes to work?
Options:
- (A) Energy
- (B) Chemical energy
- (C) water conservation
- (D) sweating
- (E) heat energy
- (F) aqueous solution
- (G) Organic compounds
- (H) electrolytes
--
Let's think first: Cells secrete acids and bases to maintain the proper pH for enzymes to work. Acids and bases are electrolytes. Cells secrete electrolytes to maintain the proper pH for enzymes to work.... So the answer is [(H)]
Predators require something else to make food, which means they are not:
Options:
- (A) humans
- (B) animals
- (C) infected
- (D) competition
- (E) dangerous
- (F) producers
- (G) mammals
- (H) warm-blooded
--
Let's think first: Producers are organisms that produce food for themselves and other organisms. Predators are organisms which eat other organisms for energy. Producers provide food for themselves and for predators.... So the answer is [(F)]
What can a certain protein affect in meat?
Options:
- (A) health
- (B) piousness
- (C) stamina
- (D) retina
- (E) toughness
- (F) liveliness
- (G) saltiness
- (H) Energy
--

[Assistant] Let's think first: Cartilage is a tough tissue that contains a protein called collagen. Collagen contributes to meat toughness. A protein contributes to meat toughness.... So the answer is [(E)]


[User]
Coral reefs provide what to many living beings in the ocean
Options:
- (A) Chemical energy
- (B) salt and water.
- (C) shelter and amusement
- (D) survival
- (E) important habitats
- (F) food and water
- (G) water and fun
- (H) food and shelter Let's solve this problem gradually.

[Assistant] Coral reefs provide food and shelter to many ocean organisms. Organisms or living beings are literally things that are alive. Coral reefs provide food and shelter to many ocean living beings. So the final answer is (H).


[User]
An earthworm is an important
Options:
- (A) allow growth
- (B) cleaner for earth
- (C) Plant reproduction
- (D) more abundant
- (E) parasite
- (F) Something that makes plants green
- (G) predator
- (H) deposit feeder for earth Let's solve this problem gradually.

[Assistant] Earthworms are important deposit feeders that help form and enrich soil. Earth stands for soil, dust or ground. Earthworms are important deposit feeders that help form and enrich earth. So the final answer is (H).


[User]
Q: Plant growth, biodiversity, and adaptations of land organisms is influenced by:
Options:
- (A) sun's heat
- (B) fossils
- (C) Greenhouse gasses
- (D) animals
- (E) global warming
- (F) the environment
- (G) Darwin
- (H) Greenhouse gases
Let's think step by step below.

[Assistant]
Climate influences plant growth, biodiversity, and adaptations of land organisms. Global warming is a part of climate change. Global warming influences plant growth, biodiversity, and adaptations of land organisms.
Thus, the answer is (E).


[User]
What may become unbalanced if the rate of breathing is too fast or too slow?
Options:
- (A) meiosis
- (B) rain levels
- (C) photosynthesis
- (D) blood acidity
- (E) an organism's body
- (F) Veins and arteries.
- (G) kinetic energy
- (H) swamp vegetation OK. Let's think hard:

[Assistant]
Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Acidity is measured with a pH meter or with pH paper strips. Blood acidity may become unbalanced if the rate of breathing is too fast or too slow.
So, the final answer is (D).


[User]
Question to you: What are cells the basic units of the structure and function of?
Options:
- (A) humans
- (B) Most plants
- (C) animals
- (D) Cell service
- (E) Organisms
- (F) mammals
- (G) Lego cells
- (H) Buildings.
Let's reason step-by-step:

[Assistant] Cells are the basic units of the structure and function of living things. An organism is a living thing. Cells are the basic units of the structure and function of an organism. Final answer: (E).


[User]
(question). Echidnas reproduce how?
Options:
- (A) asexually
- (B) by indirect light
- (C) spread flower seeds
- (D) during the day
- (E) by birthing live young
- (F) by laying eggs
- (G) by budding
- (H) with their fur
(answer). Monotremes are mammals that reproduce by laying eggs. Examples of monotremes are the Platypus and Echidna. Echidnas reproduce by laying eggs.
The answer is (F)

(question). What do producers turn sunlight into?
Options:
- (A) energy
- (B) apples
- (C) heat
- (D) paper
- (E) drinks
- (F) waste
- (G) inorganic goods
- (H) food
(answer). Producers make food from inorganic molecules. Autotrophs absorb sunlight energy and transfer inorganic mineral nutrients into organic molecules. Producers make sunlight energy into food.
The answer is (H)

(question). Plants live just about everywhere within our planet's what?
Options:
- (A) crust
- (B) solar system
- (C) state
- (D) the environment
- (E) atmosphere
- (F) moon
- (G) solar energy
- (H) vegetation
(answer). Plants live just about everywhere on Earth. Air is everywhere in the earth's atmosphere. Plants live just about everywhere within the atmosphere.
The answer is (E)

(question). What live in large colonies and have complex social relationships.
Options:
- (A) Insects
- (B) potatoes
- (C) plants
- (D) parasites
- (E) honeybees
- (F) tortoises
- (G) bees
- (H) animals
(answer).

[Assistant]
Insects may live in large colonies and have complex social behaviors. Social behavior is organized by social relationships. Insects may live in large colonies and have complex social relationships.
The answer is (A)


[User]
What is proprioception part of?
Options:
- (A) tail fins
- (B) genus
- (C) fur seals
- (D) animals
- (E) athletes
- (F) movement
- (G) humans
- (H) balance
--
Let's think first: Balance is the ability to sense and maintain body position. Another name for sense of body position is proprioception. Balance involves proprioception ability.... So the answer is [(H)]
Nitrogen depletion is a condition of some:
Options:
- (A) bushes
- (B) humans
- (C) animals
- (D) soils
- (E) disease
- (F) legumes
- (G) mammals
- (H) Birds
--
Let's think first: Soil can be depleted of nutrients. An important nutrient commonly added to soil is nitrogen. Soil can be depleted of nitrogen.... So the answer is [(D)]
Which is a requirement for life?
Options:
- (A) glucose
- (B) hydration
- (C) sunlight
- (D) scandium
- (E) recovery
- (F) oxygen
- (G) uranium
- (H) radon
--
Let's think first: Oxygen is essential for cellular respiration for all aerobic organisms. Cellular respiration is a requirement for life. Oxygen is a requirement for life.... So the answer is [(F)]
Why can amphibians easily absorb toxins?
Options:
- (A) salamanders
- (B) permeable skin
- (C) hydrate their cells
- (D) it needs them
- (E) poisonous frogs
- (F) Pesticides
- (G) cold blooded
- (H) bending light rays
--
Let's think first: Amphibians have permeable skin that easily absorbs substances from the environment. Natural Toxins Toxins are poisonous substances from bacterias, plants or animals. Amphibians have permeable skin that can easily absorb toxins from bacterias, plants or animals.... So the answer is [(B)]
What are critical for erectile health?
Options:
- (A) fur and fat
- (B) Energy.
- (C) Energy
- (D) sweating
- (E) exercise
- (F) arteries
- (G) strength
- (H) a cuticle
--
Let's think first: Arteries generally carry oxygen-rich blood. Oxygen-rich blood is critical for erectile health. Arteries are critical for erectile health.... So the answer is [(F)]
Wetlands are a very important type of what?
Options:
- (A) forest land
- (B) allow growth
- (C) Plants growth
- (D) swamp
- (E) storing water
- (F) district
- (G) animals
- (H) ecosystem
--

[Assistant] Let's think first: Wetlands are extremely important biomes. Biomes are global ecosystems. Wetlands are extremely important ecosystems.... So the answer is [(H)]


[User]
Q: Running water is able to do what to minerals and oxygen?
Options:
- (A) evaporation
- (B) dissolve them
- (C) reducing acid rain
- (D) recycling
- (E) clean them
- (F) separate them
- (G) hydration
- (H) cool them
A: So, my chain of thought: Running water is better able to dissolve oxygen and nutrients than standing water. Mineral nutrients are interrelated. Running water is better able to dissolve oxygen and minerals than standing water. The answer is (B).

Q: What kind of organism use cellulose for their cell walls?
Options:
- (A) parasites
- (B) animals
- (C) Conifers
- (D) fungus
- (E) vegetation
- (F) producers
- (G) amoeba
- (H) viruses
A: So, my chain of thought: Plants use cellulose for their cell walls. If the plant is green, it is a producer. Producers use cellulose for their cell walls. The answer is (F).

Q: What does an animal like a mollusk lack that many other animals have?
Options:
- (A) sensory neurons
- (B) Energy.
- (C) Bodily water
- (D) kinetic energy
- (E) alveoli
- (F) the skin
- (G) an organism's body
- (H) spinal column
A:

[Assistant] So, my chain of thought: Mollusks are invertebrates such as the common snail. Invertebrates are animals who lack a backbone or spinal column. Mollusks are animals who lack a backbone or spinal column. The answer is (H).


[User]
What group makes up the majority of multicellular eukaryotes?
Options:
- (A) Most plants
- (B) solid, liquid, gas
- (C) orchids
- (D) Plant reproduction
- (E) Veins and arteries.
- (F) passenger pigeons
- (G) Invertebrates
- (H) insects OK. Let's think hard:

[Assistant]
Animals are a kingdom of multicellular eukaryotes. Invertebrates make up the majority of the animal Kingdome. Invertebrates make up the majority of multicellular eukaryotes.
So, the final answer is (G).


[User]
Let's think step by step! What is a positive effect of plant needs for water and minerals from soil?
Options:
- (A) erosion prevention
- (B) reducing acid rain
- (C) It helps them survive
- (D) agriculture
- (E) nutrient deficiency
- (F) water run-off
- (G) erosion
- (H) Exfoliation
The thinking starts now:

[Assistant] Most plants grow roots down into the soil to absorb water and minerals. Plant roots begin to stabilize the soil against erosion. The need for plants to absorb minerals and water from the soil also leads to them preventing soil erosion. The final answer: (A).


[User]
Let's think step by step! What can better dissolve nutrients and oxygen?
Options:
- (A) lakes
- (B) SO2
- (C) Raft
- (D) a solute
- (E) puddles
- (F) rivers
- (G) currents
- (H) lochs
The thinking starts now:

[Assistant] Running water is better able to dissolve oxygen and nutrients than standing water. Large, warm rivers hold populations but few occur in cold running water. Rivers can better dissolve oxygen and nutrients than lakes. The final answer: (F).


[User]
Let's think step by step! What do plants do during the day?
Options:
- (A) Exfoliation
- (B) amble
- (C) bite animals
- (D) produce light
- (E) grass
- (F) reproduce
- (G) sweating
- (H) respirate
The thinking starts now:

[Assistant] Plants release oxygen during the day but not during the night. Oxygen exchange is needed for plant respiration. Plant respiration occurs during the day but not during the night. The final answer: (H).


[User]
Q: What increases the productivity and stability of the entire global system?
Options:
- (A) important habitats
- (B) Plants growth
- (C) solar system
- (D) animals
- (E) biodiversity
- (F) environment
- (G) bottlenecks
- (H) power stations
Let's think step by step below.

[Assistant]
Biodiversity increases the productivity and stability of ecosystems. Marine ecosystems also act as stabilizers of global systems especially our climate. Biodiversity increases the productivity and stability of the entire global system.
Thus, the answer is (E).


[User]
question... What is one reason birds have covered bodies?
Options:
- (A) To help them burrow
- (B) They have thick fur
- (C) layers of fat
- (D) To help them fly
- (E) To keep their body heat.
- (F) To attract predators
- (G) with their fur
- (H) To make them heavier
answer... Feathers help birds fly and provide insulation. Birds have bodies covered with feathers. Birds bodies are covered to help them fly and provide insulation.
The answer is (D)

question... Where can mucus like organisms be found?
Options:
- (A) the environment
- (B) Contaminated wounds
- (C) on food
- (D) on rotting logs and compost
- (E) an area swollen with pus
- (F) in the grass
- (G) in the refridgerator
- (H) mouth of rivers
answer... Slime molds are fungus-like protists commonly found on rotting logs and compost. True Slime Molds Slime molds are a mucus-like organism. Mucus like organisms can be found on rotting logs and compost.
The answer is (D)

question... What phylum are nematodes in?
Options:
- (A) Most plants
- (B) ferns
- (C) parasites
- (D) Epidermis
- (E) white
- (F) insects
- (G) graptolites
- (H) Nematoda
answer...

[Assistant]
Roundworms make up the phylum Nematoda. Nematodes are simple roundworms. Nematodes are in the phylum Nematoda.
The answer is (H)


[User]
Epilepsy and splay leg are located on the same what?
Options:
- (A) organ
- (B) Joules
- (C) kalenchoes
- (D) sensory neurons
- (E) chromosome
- (F) nerves
- (G) critical organs
- (H) four limbs OK. Let's think hard:

[Assistant]
Genes that are located on the same chromosome are called linked genes. For example, epilepsy and splay leg tend to link with the vienna white gene. Epilepsy and splay leg are located on the same chromosome.
So, the final answer is (E).


[User]
(question). Viral envelopes are sometimes made of fats and what?
Options:
- (A) cellulose
- (B) glucose
- (C) Energy.
- (D) protein
- (E) viral particles
- (F) Energy
- (G) food
- (H) bacteria
(answer). Some viruses have an envelope of phospholipids and proteins. Phospholipids are body fats, too. Some viruses have an envelope of fats and proteins.
The answer is (D)

(question). What are not cells at all, so they are neither prokaryotes nor eukaryotes?
Options:
- (A) Something with a head, thorax, and abdomen
- (B) Microscopic organisms
- (C) The smallest agent of disease
- (D) Dead prehistoric beings
- (E) female sex cells
- (F) major threat to health
- (G) remains of prehistoric life
- (H) Something that smells like rotten eggs
(answer). Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes. Viruses Viruses are the smallest agents of disease. The smallest agents of disease are not cells at all, so they are neither prokaryotes nor eukaryotes.
The answer is (C)

(question). What has woody stems covered with bark?
Options:
- (A) sunflowers
- (B) Newton
- (C) ferns
- (D) seaweed
- (E) Most plants
- (F) palm trees
- (G) evergreens
- (H) orchids
(answer). Trees have woody stems covered with bark. Orange trees are evergreen trees. Evergreens have woody stems covered with bark.
The answer is (G)

(question). What kind of animal doesn't have a centralized nervous system?
Options:
- (A) dog
- (B) mammals
- (C) cows
- (D) bird
- (E) human
- (F) elephants
- (G) starfish
- (H) a fish
(answer).

[Assistant]
Echinoderms lack a centralized nervous system. Echinoderms are represented by the starfish. Starfish lack a centralized nervous system.
The answer is (G)


[User]
Let's think step by step! The molecules secreted by activated b cells are part of the:
Options:
- (A) immune system
- (B) Organic compounds
- (C) Energy.
- (D) an organism's body
- (E) acetic acid
- (F) harmful substances
- (G) Chemical energy
- (H) Veins and arteries.
The thinking starts now:

[Assistant] Plasma cells are activated B cells that secrete antibodies. Antibodies are manufactured by the immune system. Plasma cells are activated B cells that secrete immune system molecules. The final answer: (A).


[User]
Let's think step by step! Which is immobile?
Options:
- (A) adult starfish
- (B) all matter
- (C) adult goldfish
- (D) gastropod shells
- (E) tadpoles
- (F) adult sponges
- (G) an object
- (H) an organism's body
The thinking starts now:

[Assistant] Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are immobile. The final answer: (F).


[User]
What might be stored in limestone?
Options:
- (A) carbonated water
- (B) chemicals
- (C) cigars
- (D) candles
- (E) Energy.
- (F) carbon
- (G) Energy
- (H) fossils Let's be accurate as possible.

[Assistant]
Carbon may be stored in sedimentary rock for millions of years. Limestone is a type of sedimentary rock. Carbon might be stored in limestone.
The final answer: (F).


[User]
Evolution over geologic time at the genus level and above is:
Options:
- (A) microcosm
- (B) genetic
- (C) Plants growth
- (D) macroevolution
- (E) natural selection
- (F) gastropod shells
- (G) peachleaf willow
- (H) Plant reproduction Let's solve this problem gradually.

[Assistant] Macroevolution is evolution over geologic time above the level of the species. Besides the above-named species, various other species of the genus have been used medicinally. Macroevolution is evolution over geologic time at the genus level and above. So the final answer is (D).


[User]
Use reasoning to answer the following question. What can lead to alkalosis?
Options:
- (A) metabolic reaction
- (B) Breathing too fast or too slow
- (C) Drinking too much water.
- (D) Something that causes allergies
- (E) Sleeping too much.
- (F) direct damage to the lungs
- (G) Warm air moving into cold air
- (H) Eating too much.

[Assistant]
Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Alkalosis is a blood pH above 7.45. Rate of breathing being too fast or too slow can lead to alkalosis.
So, the answer is (B).


[User]
What can frogs, toads and salamanders use to smell and taste chemicals?
Options:
- (A) sense organs
- (B) Chemical energy
- (C) matter vibrating
- (D) larynx
- (E) Organic compounds
- (F) ocular organs
- (G) gills
- (H) harmful substances
Hmmm, let me think. I don't want to be wrong, so I got to be careful.

[Assistant] Amphibians have sense organs to smell and taste chemicals. Frogs, toads and salamanders are amphibians. Frogs, toads, and salamanders have sense organs to smell and taste chemicals. The answer: (A).


[User]
[[Ques]]: What is one thing most single-celled organisms have in common?
Options:
- (A) Energy
- (B) glucose
- (C) bacteria
- (D) motility
- (E) Energy.
- (F) heat energy
- (G) resistance
- (H) warmth
[[Ans]]: [Most protists have motility. Protists Protists are single-celled organisms. Most single-celled organisms are motile.]
[(D)]

[[Ques]]: What does a diaphragm help a dolphin do?
Options:
- (A) swimming
- (B) rest
- (C) stay warm
- (D) smell
- (E) see
- (F) breathe
- (G) eat
- (H) survive
[[Ans]]: [Mammals breathe with the help of a diaphragm. Common dolphins are mammals. Dolphins breathe with the help of a diaphragm.]
[(F)]

[[Ques]]: What uses sounds, chemicals and visual cues?
Options:
- (A) bees
- (B) seaweed
- (C) running
- (D) monkeys
- (E) humans
- (F) germs
- (G) athletes
- (H) coral
[[Ans]]:

[Assistant]
[Animals can communicate with sounds, chemicals, or visual cues. Monkeys are wild animals. Monkeys communicate with sounds, chemicals or visual cues.]
[(D)]


[User]
What do dolphins use to store energy?
Options:
- (A) saturated fatty acids
- (B) thermal insulators
- (C) kinetic energy
- (D) evaporation
- (E) Something coming from a gland
- (F) objects that have mass
- (G) it helps plants in growing
- (H) Positive charges Let's solve this problem gradually.

[Assistant] Animals use saturated fatty acids to store energy. Dolphins are a very unique animal. Dolphins use saturated fatty acids to store energy. So the final answer is (A).


[User]
What unwanted creature would be found on the surface of a human body using it as a host?
Options:
- (A) Tapeworm.
- (B) Leeches.
- (C) Pesticides
- (D) animals
- (E) insects
- (F) Hookworm
- (G) bacteria
- (H) Bracelet.
Hmmm, let me think. I don't want to be wrong, so I got to be careful.

[Assistant] Some parasites live on the surface of their host. Leeches are external parasites. Leeches are on the surface of the host . The answer: (B).


[User]
The two-chambered heart of some backboned aquatic animals is part of their:
Options:
- (A) aerobic capacity
- (B) three-chambered heart
- (C) biological diversity
- (D) it keeps an organism warm
- (E) the body's largest organ
- (F) circulatory system
- (G) salmon
- (H) swimming system
--
Let's think first: Fish have a circulatory system with a two-chambered heart. Fish are backboned aquatic animals. Some backboned aquatic animals have a circulatory system with a two-chambered heart.... So the answer is [(F)]
What can dna contain the instructions for?
Options:
- (A) keeps the organism warm
- (B) Something to move
- (C) Plant reproduction
- (D) a single protein
- (E) A computer
- (F) Animal survival
- (G) survival
- (H) an engine
--
Let's think first: Most genes contain the instructions for a single protein. Genes are made of DNA, the substrate of hereditary information. DNA can contain the instructions for a single protein.... So the answer is [(D)]
That which is healthy when informed can take in what by eating producers?
Options:
- (A) take out
- (B) take in
- (C) food statistics
- (D) nectar
- (E) Fruits
- (F) food
- (G) bamboo
- (H) Energy
--
Let's think first: Consumers take in food by eating producers or other living things. An informed consumer is a healthy consumer. That which is healthy when informed can take in food by eating producers.... So the answer is [(F)]
What do organisms cluster around in the ocean floor?
Options:
- (A) kalenchoes
- (B) ferns
- (C) bacteria
- (D) Chimneys
- (E) an object
- (F) alveoli
- (G) graptolites
- (H) allow growth
--
Let's think first: Organisms cluster around hydrothermal vents in the ocean floor. Chimneys top some hydrothermal vents. Organisms cluster around chimneys in the ocean floor.... So the answer is [(D)]
Coral reefs provide what to many living beings in the ocean
Options:
- (A) Chemical energy
- (B) salt and water.
- (C) shelter and amusement
- (D) survival
- (E) important habitats
- (F) food and water
- (G) water and fun
- (H) food and shelter
--
Let's think first: Coral reefs provide food and shelter to many ocean organisms. Organisms or living beings are literally things that are alive. Coral reefs provide food and shelter to many ocean living beings.... So the answer is [(H)]
What kind of animals has a water vascular system with tubed feet?
Options:
- (A) animals
- (B) starfish
- (C) reeds
- (D) insects
- (E) warm-blooded
- (F) sponges
- (G) sea coral
- (H) four limbs
--

[Assistant] Let's think first: Echinoderms have a unique water vascular system with tube feet. Echinoderms are represented by the starfish. Starfish have a unique water vascular system with tube feet.... So the answer is [(B)]


[User]
question... Why do dogs play?
Options:
- (A) To keep their body heat.
- (B) To win a fight
- (C) it keeps an organism warm
- (D) increases a body's strength
- (E) To learn to behave
- (F) allow growth
- (G) To become dominant
- (H) To spend time alone
answer... Playing is just one of many ways that mammals and other animals learn how to behave. Cats are Mammals that Shed Dogs are Mammals that Wag their tails. Playing is just one of many ways that dogs learn to behave.
The answer is (E)

question... What conserve body heat with their hair or fur?
Options:
- (A) foxes
- (B) snakes
- (C) goats
- (D) whales
- (E) dogs
- (F) cats
- (G) humans
- (H) lizards
answer... Mammals conserve body heat with their hair or fur. Mammals include rabbits, foxes and coyotes. Foxes conserve body heat with their hair or fur.
The answer is (A)

question... What does vision give you?
Options:
- (A) ability to eat
- (B) characteristics
- (C) ability to taste
- (D) ability to sense light
- (E) ability to sense sound
- (F) It gets more light
- (G) Something that is self-aware
- (H) Your sensory system picks it up
answer...

[Assistant]
Sight is the ability to sense light, and the eye is the organ that senses light. Vision begins with sight. Vision is the ability to sense light and the eye is the organ that senses light.
The answer is (D)


[User]
_ have good eyesight and sense of smell.
Options:
- (A) Worms
- (B) crocodiles
- (C) vision
- (D) Snails
- (E) Phytoplankton
- (F) Lizards
- (G) mammals
- (H) animals
Hmmm, let me think. I don't want to be wrong, so I got to be careful.

[Assistant] Most reptiles have good eyesight and a keen sense of smell. All lizards are reptiles. Lizards have good eyesight and a keen sense of smell. The answer: (F).


[User]
What passes traits from parents to offspring?
Options:
- (A) Birth certificate
- (B) Lactation
- (C) p53
- (D) HIV
- (E) RNA
- (F) Pedigree
- (G) SNPs
- (H) DNA
--
Let's think first: Characteristics that are encoded in DNA are called genetic traits. DNA is used to transmit characteristics from parents to offspring. DNA passes traits from parents to offspring.... So the answer is [(H)]
Energy is passed up the food chain or web from producers to whom?
Options:
- (A) animals
- (B) plants
- (C) glucose
- (D) our planet
- (E) chloroplasts
- (F) consumers
- (G) photosynthesizers
- (H) people
--
Let's think first: Energy is passed up a food chain or web from lower to higher trophic levels. Animals which are consumers constitute higher trophic levels. Energy is passed up a food chain or web from producers to consumers.... So the answer is [(F)]
Salt in the water is something that must be adapted to by organisms who live in:
Options:
- (A) evaporation
- (B) environment
- (C) rivers
- (D) bioaerosols
- (E) our planet
- (F) Deposition
- (G) estuaries
- (H) deserts
--
Let's think first: Organisms that live in marine biomes must be adapted to the salt in the water. Estuaries display characteristics of both marine and freshwater biomes. Organisms that live in estuaries must be adapted to the salt in the water.... So the answer is [(G)]
What has a nervous system?
Options:
- (A) animals
- (B) tortoises
- (C) crocodiles
- (D) sponges
- (E) elephants
- (F) placozoans
- (G) mesozoans
- (H) insects
--
Let's think first: Most invertebrates have a nervous system. Insects are the most common invertebrates. Insects have a nervous system.... So the answer is [(H)]
What kind of plants produce pollen?
Options:
- (A) white
- (B) insects
- (C) seeds
- (D) haploid
- (E) bees
- (F) swea
- (G) grass
- (H) Conifers
--
Let's think first: Pollen consists of tiny grains that are the male gametes of plants. Haploid plants produce gametes. Pollen comes from haploid plants.... So the answer is [(D)]
Protein is made from:
Options:
- (A) Acids
- (B) DNA code
- (C) fur and fat
- (D) insects
- (E) animals
- (F) Energy.
- (G) Energy
- (H) food
--

[Assistant] Let's think first: Chromosomes contain genes, which code for proteins. Information on DNA is organized into genes. DNA codes for proteins.... So the answer is [(B)]


[User]
What might fall on land may soak into the ground, becoming groundwater?
Options:
- (A) river
- (B) floods
- (C) Rocks
- (D) Hail
- (E) rain
- (F) Soil
- (G) Trash
- (H) salt
Hmmm, let me think. I don't want to be wrong, so I got to be careful.

[Assistant] Some precipitation that falls on land may soak into the ground, becoming groundwater. Hail, rain, sleet, and snow are referred to as precipitation . Hail that falls on land may soak into the ground, becoming groundwater. The answer: (D).


[User]
What element can be stored in limestone for millions of years?
Options:
- (A) oxygen
- (B) Energy
- (C) matter
- (D) carbon
- (E) sodium
- (F) helium
- (G) rock salt
- (H) heat
--
Let's think first: Carbon may be stored in sedimentary rock for millions of years. Limestone is a type of sedimentary rock. Carbon may be stored in limestone for millions of years.... So the answer is [(D)]
The protective covering on mammals, that helps them conserve body heat, is usually:
Options:
- (A) spiny
- (B) scaley
- (C) elastic
- (D) dense
- (E) fuzzy
- (F) skin
- (G) spiky
- (H) fat
--
Let's think first: Mammals conserve body heat with their hair or fur. Mammals Hair or fur covers the bodies of most mammals. Mammals conserve body heat with their fuzzy, protective covering.... So the answer is [(E)]
What is a major change that happens in menopause?
Options:
- (A) forest is destroyed
- (B) breasts develop
- (C) Plant growth is reduced
- (D) direct damage to the lungs
- (E) pubic bones expand
- (F) menstruation begins
- (G) menstruation stops
- (H) decreases its bodily water
--
Let's think first: Menopause occurs when menstruation stops occurring, usually in middle adulthood. Clearly, middle adulthood is a time change and development. During menopause comes a time of change and development, including when menstruation stops.... So the answer is [(G)]
Where does the energy to evaporate perspiration come from?
Options:
- (A) heat produced
- (B) The Sun
- (C) goosebumps
- (D) electrical energy
- (E) kinetic force
- (F) body heat
- (G) heat energy
- (H) energy
--
Let's think first: Evaporation of sweat uses energy, and the energy comes from body heat. Sweat glands pump perspiration through pores. Perspiration comes through pores and is evaporated by energy from body heat.... So the answer is [(F)]
What sort of circulatory system do frogs, toads, and salamanders share?
Options:
- (A) live birth
- (B) It helps them survive
- (C) matter vibrating
- (D) two-chambered heart
- (E) Veins and arteries.
- (F) biological diversity
- (G) three-chambered heart
- (H) four-chambered heart
--
Let's think first: Amphibians have a relatively complex circulatory system with a three-chambered heart. Frogs, toads and salamanders are amphibians. Frogs, toads and salamanders have a relatively complex circulatory system with a three-chambered heart.... So the answer is [(G)]
An animal that travels long distances is
Options:
- (A) brown bear
- (B) dangerous
- (C) Riding a bike
- (D) warm-blooded
- (E) a barn swallow
- (F) supersonic
- (G) ground squirrel
- (H) mountain gorilla
--

[Assistant] Let's think first: Migrants typically travel long distances. Barn swallows are Neotropical migrants. Barn swallows travel long distances.... So the answer is [(E)]


[User]
Question to you: What must a chemical reaction overcome before starting?
Options:
- (A) PV=nRT
- (B) heat or cold
- (C) reactants
- (D) energy barrier
- (E) Dehydration
- (F) harmful substances
- (G) resistance
- (H) temperature.
Let's reason step-by-step:

[Assistant] All chemical reactions require activation energy to get started. Activation energy is required to overcome the energy barrier. All chemical reactions must first overcome the energy barrier. Final answer: (D).


[User]
Question: What is under the same family as worms?
Options:
- (A) animals
- (B) parasites
- (C) bacteria
- (D) eels
- (E) ant
- (F) leeches
- (G) snakes
- (H) infected
Let's be accurate as possible and think step-by-step.

[Assistant]
Annelids are worms such as the familiar earthworm. Annelids include earthworms and leeches. Leeches are related to worms.
The answer: (F).


[User]
Organisms use what to store energy?
Options:
- (A) food
- (B) skin
- (C) fat
- (D) RNA
- (E) batteries
- (F) CO 2
- (G) bone
- (H) O2 Let's be accurate as possible.

[Assistant]
Organisms use lipids to store energy. Another name for fat is lipid . Organisms use fat to store energy.
The final answer: (C).


[User]
What makes food from co and h 2?
Options:
- (A) producers
- (B) carbon atoms
- (C) Most plants
- (D) production lines
- (E) light energy
- (F) trees
- (G) air pockets
- (H) Chlorophyll
--
Let's think first: Producers make food from inorganic molecules. Among the small inorganic molecules which are economically attractive are CO and H 2 . Producers make food from CO and H 2.... So the answer is [(A)]
What do fungi require?
Options:
- (A) Energy
- (B) food
- (C) allow growth
- (D) warmth
- (E) Exfoliation
- (F) Bodily water
- (G) evaporation
- (H) nitrogen
--
Let's think first: Fungi are the only organisms that can decompose wood. Nitrogen Deficiency Decomposing wood requires nitrogen. Fungi require nitrogen.... So the answer is [(H)]
Which of the following do not grow using mitosis?
Options:
- (A) skin cells
- (B) genus
- (C) fungi
- (D) lung cells
- (E) blood cells
- (F) parasites
- (G) viruses
- (H) bacteria
--
Let's think first: Populations of viruses do not grow through cell division because they are not cells. Mitosis is cell division. Populations of viruses do not grow through mitosis because they are not cells.... So the answer is [(G)]
Oncogenes promote the division of cells with damaged what?
Options:
- (A) Veins and arteries.
- (B) biological diversity
- (C) Something with a head, thorax, and abdomen
- (D) a hemisphere is tilted away from the sun
- (E) Addition
- (F) Person's genetic fingerprint
- (G) Mathematics division
- (H) Cell phones
--
Let's think first: Oncogenes promote the division of cells with damaged DNA. DNA DNA DNA is a person's genetic fingerprint. Oncogenes promote the division of cells with damaged parts of a person's genetic fingerprint.... So the answer is [(F)]
Forests stabilize what influences what growth?
Options:
- (A) Trees
- (B) Energy
- (C) wind
- (D) seasons
- (E) rain
- (F) plant
- (G) Winter
- (H) Energy.
--
Let's think first: Climate influences plant growth, biodiversity, and adaptations of land organisms. Climate Forests stabilize climate. Forests stabilize what influences plant growth.... So the answer is [(F)]
What passes energy up the food chain to adult vegans?
Options:
- (A) cows
- (B) animals
- (C) Batteries.
- (D) chickens
- (E) Power companies.
- (F) glucose
- (G) Humans.
- (H) Plants.
--

[Assistant] Let's think first: Energy is passed up a food chain or web from lower to higher trophic levels. Plants represent the first trophic level. Energy is passed up a food chain from plants.... So the answer is [(H)]


[User]
Q: Oxygen-rich blood is carried where?
Options:
- (A) it keeps an organism warm
- (B) mouth of rivers
- (C) The area was once underwater
- (D) running and lifting
- (E) the body's largest organ
- (F) away from the heart
- (G) Earth orbiting the Sun
- (H) four limbs
Let's think step by step below.

[Assistant]
Arteries generally carry oxygen-rich blood. Arteries carry blood away from our heart. Oxygen-rich blood is carried away from our heart.
Thus, the answer is (F).


[User]
q: The windiest side of a mountainous peninsula also has the most of what?
Options:
- (A) mountain
- (B) peninsula
- (C) precipitation
- (D) body water
- (E) heat energy
- (F) rainfall
- (G) windward
- (H) kinetic energy
a: (C)... Explanation: Precipitation falls on the windward side of the mountain range. For example, the windward side of a peninsula is the windiest side. The windiest side of a mountainous peninsula would have the most precipitation. That's why the answer is (C).

q: What can a producer grow down into the soil in order to absorb minerals and water?
Options:
- (A) Trees
- (B) stems
- (C) roots
- (D) Oak
- (E) seeds
- (F) burrs
- (G) grass
- (H) water absorbing petals
a: (C)... Explanation: Most plants grow roots down into the soil to absorb water and minerals. If the plant is green, it is a producer. Most producers grow roots down into the soil to absorb water and minerals. That's why the answer is (C).

q: What are cells in plants and animals?
Options:
- (A) production of energy
- (B) absorb light energy
- (C) large building blocks
- (D) sub-units of species
- (E) cellulitis
- (F) microscopic bulding blocks
- (G) disease
- (H) microorganisms
a: (F)... Explanation: Cells are the microscopic building blocks of organisms. Plants and animals are organisms. Cells are the microscopic bulding blocks of plants and animals. That's why the answer is (F).

q: Most organisms live mainly in
Options:
- (A) shallow coastal waters
- (B) the environment
- (C) soil
- (D) trees
- (E) Earth orbiting the Sun
- (F) ocean water
- (G) plasma
- (H) salt and water.
a:

[Assistant] (A)... Explanation: Marine species live mainly in shallow coastal waters. Most marine organisms live near the surface. Most organisms live mainly in shallow coastal waters. That's why the answer is (A).


[User]
Mutations that lead to cancer usually effect genes that aid in what?
Options:
- (A) illness
- (B) health
- (C) disease
- (D) blood transfer
- (E) chemotherapy
- (F) respiraration
- (G) mitosis
- (H) recovery OK. Let's think hard:

[Assistant]
Mutations that lead to cancer usually occur in genes that control the cell cycle. Mitosis is part of the cell cycle. Mutations that lead to cancer usually occur in genes aiding in mitosis.
So, the final answer is (G).


[User]
Where does lengthening and widening occur in plant roots?
Options:
- (A) meristems
- (B) Epidermis
- (C) cracking
- (D) allow growth
- (E) buds
- (F) stamens
- (G) epidermal
- (H) fruits Let's solve this problem gradually.

[Assistant] Roots have primary and secondary meristems for growth in length and width. Growth occurs in meristems. Without meristems, roots couldn't lengthen or widen. So the final answer is (A).


[User]
Question: Which type of system do most animals without backbones have?
Options:
- (A) sensory neurons
- (B) Veins and arteries.
- (C) Nervous system
- (D) Stereo system
- (E) Root system
- (F) to move people
- (G) Skeletal system
- (H) insects
Let's be accurate as possible and think step-by-step.

[Assistant]
Most invertebrates have a nervous system. Invertebrates are animals without a backbone. Most animals without backbones have a nervous system.
The answer: (C).


[User]
Question: The gene pool expands through fertilization and:
Options:
- (A) offspring
- (B) agriculture
- (C) mutation
- (D) babies
- (E) seeds
- (F) zygotes
- (G) relocation
- (H) competition
Let's be accurate as possible and think step-by-step.

[Assistant]
Mutation creates new genetic variation in a gene pool. Fertilization increases genetic variation. Mutation and fertilization have similar effects on the gene pool.
The answer: (C).


[User]
Question: What is it called when the number of people suddenly gets smaller?
Options:
- (A) competing for resources
- (B) competition
- (C) A Greek letter
- (D) heat or cold
- (E) Earth orbiting the Sun
- (F) permineralization
- (G) bottleneck effect
- (H) relocation
Let's be accurate as possible and think step-by-step.

[Assistant]
Bottleneck effect occurs when a population suddenly gets much smaller. Population is the number of people. Bottleneck effect occurs when the number of people suddenly gets much smaller.
The answer: (G).


[User]
What may become unbalanced if the rate of breathing is too fast or too slow?
Options:
- (A) meiosis
- (B) rain levels
- (C) photosynthesis
- (D) blood acidity
- (E) an organism's body
- (F) Veins and arteries.
- (G) kinetic energy
- (H) swamp vegetation
--
Let's think first: Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Acidity is measured with a pH meter or with pH paper strips. Blood acidity may become unbalanced if the rate of breathing is too fast or too slow.... So the answer is [(D)]
------
Plasma cells are activated b cells that secrete what?
Options:
- (A) Leptospirosis
- (B) Activated charcoal
- (C) Cellular phone services
- (D) Sweat
- (E) major threat to health
- (F) Warriors of the body.
- (G) Something that causes allergies
- (H) Chemical energy
--
Let's think first: Plasma cells are activated B cells that secrete antibodies. Antibodies act as warriors. Plasma cells are activated B cells that secrete warriors.... So the answer is [(F)]
------
Living beings in marine biomes must be adapted to what in the water?
Options:
- (A) CO 2
- (B) stress
- (C) liquid
- (D) salt
- (E) heat
- (F) an ion
- (G) energy
- (H) motion
--
Let's think first: Organisms that live in marine biomes must be adapted to the salt in the water. Organisms or living beings are literally things that are alive. Living beings that live in marine biomes must be adapted to the salt in the water.... So the answer is [(D)]
------
Sharks have as skeleton that contains
Options:
- (A) elastin
- (B) Epidermis
- (C) calcium
- (D) fur and fat
- (E) marrow
- (F) strength
- (G) all matter
- (H) collagen
--

[Assistant]
Let's think first: Cartilage is a tough tissue that contains a protein called collagen. Sharks have a cartilage skeleton. Sharks have as skeleton that contains a protein called collagen.... So the answer is [(H)]
------


[User]
Let's think step by step! What water dweller can be stimulated with amphetamines?
Options:
- (A) pearls
- (B) algae
- (C) swea
- (D) otters
- (E) fish
- (F) humans
- (G) sharks
- (H) sponges
The thinking starts now:

[Assistant] Fish have a centralized nervous system with a brain. Amphetamines stimulate the central nervous system. Fish can be stimulated with amphetamines. The final answer: (E).


[User]
Where in the plant does growth in width or girth originate?
Options:
- (A) conductive tissue
- (B) carbon dioxide
- (C) Veins and arteries.
- (D) It gets more light
- (E) photosynthesis
- (F) at or near the margins
- (G) vascular tissue
- (H) in the autumn season OK. Let's think hard:

[Assistant]
Secondary meristem is located within and around the vascular tissues. Growth in girth is caused by other meristems, called secondary meristems. Plant growth in width or girth emanates from within and around the vascular tissues.
So, the final answer is (G).


[User]
Question to you: What animals belong to the largest phylum of invertibrates?
Options:
- (A) plants
- (B) parasites
- (C) octopuses
- (D) tortoises
- (E) eartworms
- (F) insects
- (G) mammals
- (H) animals.
Let's reason step-by-step:

[Assistant] Arthropods are the largest phylum of invertebrates. Insects are the largest group of arthropods. Insects belong to the largest phylum of invertibrates. Final answer: (F).


[User]
How does sweating cool the body?
Options:
- (A) Riding a bike
- (B) all liquids
- (C) layers of fat
- (D) staying warm
- (E) evaporation
- (F) Animal survival
- (G) matter vibrating
- (H) hydration Think carefully first, then make a decision. My thoughts:

[Assistant] Sweating reduces body heat. Sweat cools the body by evaporation, which removes heat from the body surface. Sweating cools the body by evaporation. So the answer is (E).


[User]
What shape are the things that develop from spores?
Options:
- (A) fungi
- (B) a prism
- (C) small
- (D) Heart
- (E) complex
- (F) bushes
- (G) ferns
- (H) gills
--
Let's think first: Flowers produce spores that develop into gametophytes. Gametophytes are photosynthetic and often heart-shaped. Flowers produce spores that develop something heart-shaped.... So the answer is [(D)]
What is required before a chemical change?
Options:
- (A) kinetic energy
- (B) energy usage
- (C) activation push
- (D) activation energy
- (E) activation switch
- (F) activation power
- (G) Burning fuel and air
- (H) Evaporation
--
Let's think first: All chemical reactions require activation energy to get started. Chemical changes are a result of chemical reactions. Activation energy must be used before a chemical change happens.... So the answer is [(D)]
In what timeframe does menopause typically occur?
Options:
- (A) Earth orbiting the Sun
- (B) an organism's body
- (C) Veins and arteries.
- (D) the rest of the body
- (E) By wind and rain
- (F) 35-65 years old
- (G) major threat to health
- (H) Decrease bodily water
--
Let's think first: Menopause occurs when menstruation stops occurring, usually in middle adulthood. Middle adulthood begins around age 35 to 40 and continues through age 65 to 70. Menopause occurs when menstruation stops occurring, usually between 35 and 65 years old.... So the answer is [(F)]
Lipid stores are used by plants and animals for what?
Options:
- (A) energy.
- (B) liver
- (C) glycoproteins
- (D) survival
- (E) energy
- (F) growth
- (G) blood sugar
- (H) food
--
Let's think first: Organisms use lipids to store energy. Plants and animals are organisms. Plants and animals use lipids to store energy.... So the answer is [(E)]
What does fire require to get started?
Options:
- (A) an engine
- (B) activation energy
- (C) water
- (D) energy usage
- (E) direct energy
- (F) dogs
- (G) activated almonds
- (H) adding heat
--
Let's think first: All chemical reactions require activation energy to get started. Fire is a chemical reaction. Fire requires activation energy to get started.... So the answer is [(B)]
What do animals use as a food course?
Options:
- (A) it keeps an organism warm
- (B) water
- (C) Generating heat
- (D) Organic compounds
- (E) deadwood
- (F) light energy
- (G) other living things
- (H) inorganic
--

[Assistant] Let's think first: Heterotrophs get food by eating other living things. Animals are heterotrophs, or other-feeders. Animals get food by eating other living things.... So the answer is [(G)]


[User]
Q: Many consumers feed at more than one what?
Options:
- (A) ground level
- (B) kinetic energy
- (C) major threat to health
- (D) level of sound
- (E) eat plants or other animal
- (F) level on the pyramid
- (G) level of height
- (H) Inches or fractions of inches.
Let's think step by step below.

[Assistant]
Many consumers feed at more than one trophic level. Each level on the pyramid represents a trophic level. Many consumers feed at more than one level on the pyramid.
Thus, the answer is (F).


[User]
What kind of animals has a water vascular system with tubed feet?
Options:
- (A) animals
- (B) starfish
- (C) reeds
- (D) insects
- (E) warm-blooded
- (F) sponges
- (G) sea coral
- (H) four limbs
--
Let's think first: Echinoderms have a unique water vascular system with tube feet. Echinoderms are represented by the starfish. Starfish have a unique water vascular system with tube feet.... So the answer is [(B)]

The sun contributes what to ecosystems?
Options:
- (A) sun spot
- (B) energy
- (C) darkness
- (D) seeds
- (E) positive
- (F) photons
- (G) Nutrients
- (H) Energy.
--
Let's think first: Energy enters ecosystems in the form of sunlight or chemical compounds. If there is sun, there is sunlight, there is day. Energy enters ecosystems from the sun.... So the answer is [(B)]

Sweat cools the body when it
Options:
- (A) Movement of an air mass
- (B) dry conditions
- (C) heat produced
- (D) Decreased precipitation
- (E) hydration
- (F) It expands
- (G) the environment
- (H) turns into a gas
--

[Assistant] Let's think first: Sweat wets the skin, and when it evaporates, it cools the body. Evaporation is when a liquid turns into a gas. Sweat cools the body when it turns into a gas.... So the answer is [(H)]


[User]
_ is how organisms grow and repair themselves.
Options:
- (A) complex
- (B) recycling
- (C) properties
- (D) fusion
- (E) fission
- (F) bacteria
- (G) Mitosis
- (H) potatoes
--
Let's think first: Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grown and repair themselves.... So the answer is [(G)]
What can polar bears do to generate heat?
Options:
- (A) make fire
- (B) eat ice
- (C) stay warm
- (D) nothing
- (E) fur
- (F) motors
- (G) shiver
- (H) sweating
--
Let's think first: Mammals can also generate little bursts of heat by shivering. Polar bears are mammals. Polar bears can generate heat by shivering.... So the answer is [(G)]
Where are roundworms useful in an ecosystem?
Options:
- (A) killing animals
- (B) soils
- (C) fields
- (D) bacteria
- (E) eating plants
- (F) wetland
- (G) food
- (H) alveoli
--
Let's think first: Roundworms make up the phylum Nematoda. Also, nematoda and rotifera are important groups contributing to soils. Roundworms make important contributions to soils.... So the answer is [(B)]
Roots, stems and leaves continue to do what throughout their lives?
Options:
- (A) die
- (B) edible
- (C) expand
- (D) grow
- (E) growth
- (F) spread
- (G) live
- (H) propagate
--
Let's think first: Most plants continue to grow throughout their lives. All seed plants have roots, a stem, and leaves. Roots, stems and leaves continue to grow throughout their lives.... So the answer is [(D)]
Where do leeches live in relation to their hosts?
Options:
- (A) In their beds
- (B) body water
- (C) competing for resources
- (D) In their shoes
- (E) loose soil
- (F) In their intestines
- (G) important habitats
- (H) On their surface
--
Let's think first: Some parasites live on the surface of their host. Leeches are external parasites. Leeches live on the surface of their hosts.... So the answer is [(H)]
What do trees release during the day but not at night?
Options:
- (A) Energy
- (B) water
- (C) He
- (D) Ce
- (E) chemicals
- (F) Energy.
- (G) heat
- (H) oxygen
--

[Assistant] Let's think first: Plants release oxygen during the day but not during the night. All plants are trees. Trees release oxygen during the day but not at night.... So the answer is [(H)]


[User]
Cells make up plants and animals what?
Options:
- (A) genes and DNA
- (B) structure and function
- (C) important habitats
- (D) remains of prehistoric life
- (E) function and beliefs
- (F) function and viruses
- (G) converting electricity to heat
- (H) absorb light energy
--
Let's think first: Cells are the basic units of the structure and function of living things. Every living thing, animal and plant, are given a classification. Cells make up the structure and function of plants and animals.... So the answer is [(B)]
Something that helps prevent hypothermia:
Options:
- (A) dehydration
- (B) freezing
- (C) water
- (D) head hair
- (E) cold
- (F) electricity
- (G) Exfoliation
- (H) sweating
--
Let's think first: Head hair is especially important in preventing heat loss from the body. Hypothermia Loss of body heat caused by exposure is called Hypothermia. Head hair is especially important in preventing hypothermia.... So the answer is [(D)]
Where do most fungi get their protein?
Options:
- (A) protein synthesis
- (B) loose soil
- (C) swamp vegetation
- (D) alveoli
- (E) dead organisms
- (F) by indirect light
- (G) glycopeptides
- (H) carbon dioxide
--
Let's think first: Most fungi get organic compounds from dead organisms. Proteins are complex organic compounds. Most fungi get proteins from dead organisms.... So the answer is [(E)]
What process is needed to support a baby in the womb?
Options:
- (A) Perspiration
- (B) Energy
- (C) heating liquids
- (D) Respiration
- (E) organs
- (F) Validation
- (G) Energy.
- (H) Doctrination
--
Let's think first: Oxygen is essential for cellular respiration for all aerobic organisms. Less oxygen for the mother means less oxygen for the baby. Mothers need respiration for their babies.... So the answer is [(D)]
Which part of fungi have humans collected and grown for food for thousands of years?
Options:
- (A) more abundant
- (B) by indirect light
- (C) remains of prehistoric life
- (D) it keeps an organism warm
- (E) epidermis and dermis
- (F) Organic compounds
- (G) loose soil
- (H) fruiting structure
--
Let's think first: Humans have collected and grown mushrooms for food for thousands of years. About mushrooms Mushrooms are the fruiting structure of fungi. Humans have collected and grown the fruiting structure of fungi for food for thousands of years.... So the answer is [(H)]
Some viruses can what?
Options:
- (A) fret
- (B) harm
- (C) damage
- (D) grow
- (E) expand
- (F) discover
- (G) visit
- (H) kill
--

[Assistant] Let's think first: Some viruses can cause cancer. Skin cancer can kill. Some viruses can kill.... So the answer is [(H)]


[User]
(question). How are atolls built?
Options:
- (A) important habitats
- (B) By coral exoskeletons
- (C) by fish
- (D) with machines
- (E) by a type of eel
- (F) It used to be covered by water
- (G) The area was once underwater
- (H) reusing materials
(answer). Many corals secrete an exoskeleton that builds up to become a coral reef. An atoll is the third type of reef. Atolls are built by corals secreting an exoskeleton.
The answer is (B)

(question). What is true of all adult sponges?
Options:
- (A) they are immobile.
- (B) at or near the margins
- (C) They may not survive.
- (D) water conservation
- (E) Light passing through water
- (F) competition
- (G) To keep their body heat.
- (H) permineralization
(answer). Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are attached permanently, immobile.
The answer is (A)

(question). Where can you find marine biomes?
Options:
- (A) Lake Michigan
- (B) The Pacific
- (C) Absorb light
- (D) complex
- (E) the environment
- (F) The Amazon
- (G) The Missisippi
- (H) salt and water.
(answer). Marine biomes are found in the salt water of the ocean. Largest of the oceans on Earth is the Pacific Ocean . You can find marine biomes in the Pacific.
The answer is (B)

(question). What is a main component of a virus?
Options:
- (A) Something that causes allergies
- (B) Leptospirosis
- (C) Localized damage
- (D) heat produced
- (E) deoxyribonucleic acid
- (F) Chemical energy
- (G) direct damage to the lungs
- (H) It helps them survive
(answer).

[Assistant]
Viruses contain DNA but not much else. DNA DNA is deoxyribonucleic acid. Viruses contain deosyribonucleic acid, but not much else.
The answer is (E)


[User]
question... Macroevolution most likely occurs over what period of time?
Options:
- (A) Summer
- (B) length
- (C) eons
- (D) long
- (E) growth
- (F) Earth
- (G) years
- (H) scale
answer... Macroevolution occurs over geologic time above the level of the species. All geologic time can be divided into two eons. Macroevolution occurs over eons.
The answer is (C)

question... Some insets can use their antennae to detect what?
Options:
- (A) light waves
- (B) photons
- (C) Electrical energy
- (D) vibrating air
- (E) new lands
- (F) water sources
- (G) bending light rays
- (H) electricity
answer... Some insects can use their antennae to detect sound. When ears detect the vibrating air, signals are sent to the brain that are interpreted as sounds. Some insets can use their antennae to detect vibrating air.
The answer is (D)

question... What grows into the soil to absorb water and minerals?
Options:
- (A) NaCl
- (B) vegetation
- (C) burrs
- (D) Trees
- (E) grass
- (F) Carrots
- (G) Conifers
- (H) potatoes
answer...

[Assistant]
Most plants grow roots down into the soil to absorb water and minerals. Beets and carrots are the roots of plants. Most carrots grow down into the soil to absorb water and minerals.
The answer is (F)


[User]
Cancer genes are an example of the type of thing that can be passed on through:
Options:
- (A) people
- (B) blood exposure
- (C) massive damage
- (D) viruses
- (E) Plant reproduction
- (F) contagious
- (G) reproduction
- (H) humans
--
Let's think first: Cancer genes can be inherited. Inherited characteristics are passed on by our genes. Cancer genes can be passed on through reproduction.... So the answer is [(G)]
A significant evolutionary response might be the result of what?
Options:
- (A) Plant reproduction
- (B) Greenhouse gasses
- (C) climate change
- (D) rapid expansion
- (E) Plants growth
- (F) competition
- (G) Chemical energy
- (H) Electrical energy
--
Let's think first: Evolution occurs in response to a change in the environment. Climate change is likely to have a significant impact on the global environment and human society. Climate change is likely to result in a significant evolutionary response.... So the answer is [(C)]
What creates active immunity from a parasite?
Options:
- (A) Cooking
- (B) memory cells
- (C) alpacas
- (D) peachleaf willow
- (E) Allergies
- (F) mammals
- (G) an organism's body
- (H) animals
--
Let's think first: Active immunity results when an immune response to a pathogen produces memory cells. If the parasite causes harm, it is a pathogen. When a parasite produces memory cells, active immunity results.... So the answer is [(B)]
What may be stored in sedimentary rock for millions of years.
Options:
- (A) Sand castles
- (B) Chemical energy
- (C) heat energy
- (D) Millions of dollars.
- (E) A fuel source.
- (F) Energy.
- (G) In sediment
- (H) Stored animal fur.
--
Let's think first: Carbon may be stored in sedimentary rock for millions of years. Carbon is the fuel source. A fuel source may be stored in sedimentary rock for millions of years.... So the answer is [(E)]
What don't arthropods have?
Options:
- (A) an exoskeleton
- (B) legs
- (C) Bodily water
- (D) Damaged hearing
- (E) kinetic energy
- (F) a backbone
- (G) Energy
- (H) backs
--
Let's think first: Arthropods are the largest phylum of invertebrates. Invertebrates are animals without a backbone. Arthropods are animals without a backbone.... So the answer is [(F)]
Who can shiver?
Options:
- (A) bats
- (B) Sidewalks
- (C) humans
- (D) Bees
- (E) koalas
- (F) Mountains
- (G) Trees
- (H) people
--

[Assistant] Let's think first: Shivering occurs when many muscles contract a little bit all at once. Honey bees generate heat by consuming honey and shivering their muscles. Honey bees can shiver.... So the answer is [(D)]


[User]
Adult sponges are
Options:
- (A) warm
- (B) immobile
- (C) food
- (D) parasites
- (E) strong
- (F) white
- (G) fertile
- (H) warm-blooded
--
Let's think first: Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are attached permanently, immobile.... So the answer is [(B)]
Most carcinogens can cause cancer by causing mutations to what?
Options:
- (A) that material's properties
- (B) dexyribonucleic acid
- (C) Veins and arteries.
- (D) Chlorophyll
- (E) harmful substances
- (F) properties
- (G) a lot of human deaths
- (H) characteristics
--
Let's think first: Most carcinogens cause cancer by producing mutations in DNA. DNA DNA is deoxyribonucleic acid. Most carcinogens cause cancer by producing mutations in dexyribonuclein acid.... So the answer is [(B)]
What does not grow through cell division?
Options:
- (A) p53
- (B) AIDS
- (C) host
- (D) DDT
- (E) lung
- (F) HIV
- (G) corn
- (H) HPV
--
Let's think first: Populations of viruses do not grow through cell division because they are not cells. Where most viruses are DNA, HIV is an RNA virus. Populations of HIV do not grow through cell division because they are not cells.... So the answer is [(F)]
Members of the apoda order can be found in _.
Options:
- (A) rivers in tundra regions.
- (B) They have webbed feet
- (C) female sex cells
- (D) epidermis and dermis
- (E) rivers in arid regions.
- (F) streams in arid regions.
- (G) microorganisms
- (H) streams in tropical regions
--
Let's think first: Caecilians can be found in moist soil near rivers and streams in tropical regions. Caecilians belong to the order Apoda or Gymnophiona. Members of the Apoda order can be found in streams in tropical regions.... So the answer is [(H)]
What contains the green compound chlorophyll?
Options:
- (A) mitochondria
- (B) Most plants
- (C) vacuoles
- (D) color of leaves
- (E) cell walls
- (F) peachleaf willow
- (G) In their leaves
- (H) chloroplasts
--
Let's think first: Chloroplasts contain the green pigment chlorophyll. Photosynthetic Pigments Photosynthetic Pigments Pigments are colorful compounds. Chloroplasts contain the green compound chlorophyll.... So the answer is [(H)]
Creatures with six legs may live in what?
Options:
- (A) space centers
- (B) ocean water
- (C) salt and water.
- (D) large colonies
- (E) small pendants
- (F) loose soil
- (G) distant moons
- (H) body water
--

[Assistant] Let's think first: Insects may live in large colonies and have complex social behaviors. Insects have six legs. Creatures with six legs may live in large colonies.... So the answer is [(D)]


[User]
Question to you: How do living things have children?
Options:
- (A) death
- (B) people
- (C) humans
- (D) babies
- (E) it needs them
- (F) reproduction
- (G) mitosis
- (H) production.
Let's reason step-by-step:

[Assistant] Reproduction is the process by which living things give rise to offspring. Seed refers to offspring, children. Living things use reproduction to have children. Final answer: (F).


[User]
(question). Great egrets get food by doing what?
Options:
- (A) sleeping
- (B) eating other living things
- (C) Transfers energy
- (D) converting mass to energy
- (E) Something coming from a gland
- (F) photosynthesis
- (G) dying
- (H) competing for resources
(answer). Heterotrophs get food by eating other living things. Great egrets are heterotrophs . Great egrets get food by eating other livings things.
The answer is (B)

(question). Roots, stems and leaves continue to do what throughout their lives?
Options:
- (A) die
- (B) edible
- (C) expand
- (D) grow
- (E) growth
- (F) spread
- (G) live
- (H) propagate
(answer). Most plants continue to grow throughout their lives. All seed plants have roots, a stem, and leaves. Roots, stems and leaves continue to grow throughout their lives.
The answer is (D)

(question). What makes up the basic structure and function of all organisms found on earth?
Options:
- (A) organs
- (B) cells
- (C) plants
- (D) fungi
- (E) bone structure
- (F) trees
- (G) Earth molecules
- (H) Fat
(answer). Cells are the basic units of the structure and function of living things. An organism is a living thing. Cells are the basic units of the structure and function of organisms.
The answer is (B)

(question). How many types can viruses infect?
Options:
- (A) mice
- (B) pigs
- (C) bird
- (D) RNA
- (E) ova
- (F) tiny
- (G) HPV
- (H) Two
(answer).

[Assistant]
Viruses often infect bacteria. Bacteria are normally classified as either 'good' bacteria or 'bad' bacteria. Viruses can infect good and bad types.
The answer is (H)


[User]
Q: Dna is found where in a cell?
Options:
- (A) mitochondria
- (B) complex
- (C) alveoli
- (D) membrane
- (E) plants
- (F) infected
- (G) cytoplasm
- (H) nucleus
Let's think step by step below.

[Assistant]
DNA is found in chromosomes. Chromosomes are located in the nucleus of a cell. DNA is found in the nucleus of a cell.
Thus, the answer is (H).


[User]
Which can move?
Options:
- (A) Raft
- (B) light energy
- (C) vehicles
- (D) insects
- (E) protists
- (F) bicycle
- (G) animals
- (H) an object
--
Let's think first: Most protists have motility. All animals are motile, moving about at some point in their life cycle. Most protists are able to move.... So the answer is [(E)]
What release oxygen during the day but not at night?
Options:
- (A) sea anenomes
- (B) Organic compounds
- (C) orange trees
- (D) coral
- (E) power stations
- (F) humans
- (G) swamp vegetation
- (H) important habitats
--
Let's think first: Plants release oxygen during the day but not during the night. All orange trees are plants. Orange trees release oxygen during the day but not at night.... So the answer is [(C)]
What makes up the basic structure and function of all organisms found on earth?
Options:
- (A) organs
- (B) cells
- (C) plants
- (D) fungi
- (E) bone structure
- (F) trees
- (G) Earth molecules
- (H) Fat
--
Let's think first: Cells are the basic units of the structure and function of living things. An organism is a living thing. Cells are the basic units of the structure and function of organisms.... So the answer is [(B)]
What does fire require to get started?
Options:
- (A) an engine
- (B) activation energy
- (C) water
- (D) energy usage
- (E) direct energy
- (F) dogs
- (G) activated almonds
- (H) adding heat
--
Let's think first: All chemical reactions require activation energy to get started. Fire is a chemical reaction. Fire requires activation energy to get started.... So the answer is [(B)]
Damage to the structural units of the kidneys can be caused by ..
Options:
- (A) harmful substances
- (B) an area swollen with pus
- (C) a lot of human deaths
- (D) Pesticides
- (E) Heavy rains
- (F) Leptospirosis
- (G) Veins and arteries.
- (H) high blood pressure
--
Let's think first: Nephrons are the structural and functional units of the kidneys. Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure . Damage to the structural units of the kidneys can be caused by high blood pressure ..... So the answer is [(H)]
Plants shed their leaves in what season each year?
Options:
- (A) spring season
- (B) wet season
- (C) firing season
- (D) Summer
- (E) When it's cold
- (F) colder weather
- (G) Winter
- (H) dry season
--

[Assistant] Let's think first: Plants that shed their leaves seasonally each year are called deciduous plants. Trees here are largely deciduous, shedding their leaves in the dry season. Plants shed their leaves in the dry season each year.... So the answer is [(H)]


[User]
Populations that are biodiverse might be called:
Options:
- (A) homogenous enclaves
- (B) similar
- (C) animals
- (D) peachleaf willow
- (E) communities
- (F) bottlenecks
- (G) insects
- (H) fertile Think carefully first, then make a decision. My thoughts:

[Assistant] Communities consist of populations of different species. Biodiversity is a lot more than just the number of different plant and animal species. Communities consist of populations that are biodiverse. So the answer is (E).


[User]
Active immunity is when an immune response occurs after a germ produces what?
Options:
- (A) harmful substances
- (B) bioaerosols
- (C) rapid expansion
- (D) Allergies
- (E) anemia
- (F) it needs them
- (G) Chemical energy
- (H) memory cells Let's be accurate as possible.

[Assistant]
Active immunity results when an immune response to a pathogen produces memory cells. Pathogens are germs that cause disease. Active immunity results when an immune response to a germ produces memory cells.
The final answer: (H).


[User]
Q: Endocrine hormones move from place to place through the
Options:
- (A) animals
- (B) ovaries
- (C) Man
- (D) humans
- (E) blood
- (F) hair
- (G) skin
- (H) scales
Let's think step by step below.

[Assistant]
Endocrine hormones travel throughout the body in the blood. For the tourists, there are many places to travel. Endocrine hormones move from place to place in the body through the blood.
Thus, the answer is (E).


[User]
What might puppies and kitties have?
Options:
- (A) They have thick fur
- (B) leeches
- (C) Animal fur
- (D) fur and fat
- (E) sensory neurons
- (F) parasitic snakes
- (G) crickets
- (H) parasitic worms Think carefully first, then make a decision. My thoughts:

[Assistant] Roundworms may be free-living or parasitic. Roundworms Nearly all puppies and kittens have roundworms. Puppies and kittens may have parasitic worms. So the answer is (H).


[User]
What does not grow through cell division?
Options:
- (A) p53
- (B) AIDS
- (C) host
- (D) DDT
- (E) lung
- (F) HIV
- (G) corn
- (H) HPV Think carefully first, then make a decision. My thoughts:

[Assistant] Populations of viruses do not grow through cell division because they are not cells. Where most viruses are DNA, HIV is an RNA virus. Populations of HIV do not grow through cell division because they are not cells. So the answer is (F).


[User]
Natural selection results in:
Options:
- (A) insects
- (B) root growth
- (C) Plants growth
- (D) Animal survival
- (E) animals
- (F) Plant reproduction
- (G) mammals
- (H) specialization
--
Let's think first: Specialization occurs when competing species evolve different adaptations. Adaptation is the result of natural selection. Specialization is a result of natural selection.... So the answer is [(H)]
Marine biomes are found in large bodies of what?
Options:
- (A) fresh water
- (B) the environment
- (C) salt water
- (D) liquid
- (E) river water
- (F) Absorb light
- (G) Sediment
- (H) black water
--
Let's think first: Marine biomes are found in the salt water of the ocean. An ocean is a large body of salt water. Marine biomes are found in large bodies of salt water.... So the answer is [(C)]
Aggression is behavior that is intentionally what?
Options:
- (A) friendly
- (B) complex
- (C) loud
- (D) made
- (E) negative
- (F) quiet
- (G) abusive
- (H) kicked
--
Let's think first: Aggression is behavior that is intended to cause harm or pain. Abuse means causing intentional pain or harm. Aggression is behavior that is intentionally abusive.... So the answer is [(G)]
When cells start to divide uncontrollablly, they may form a what?
Options:
- (A) anemia
- (B) tissue
- (C) fever
- (D) cell
- (E) organ
- (F) fibroid
- (G) acid rain
- (H) illness
--
Let's think first: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells. For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors. Cells that divide uncontrollably may form a fibroid.... So the answer is [(F)]
Protonemas develop into what?
Options:
- (A) alveoli
- (B) ferns
- (C) lmestone
- (D) disease
- (E) illness
- (F) parasites
- (G) gas
- (H) spores
--
Let's think first: Flowers produce spores that develop into gametophytes. Gametophytes arise from a protonema. Flowers produce spores from a protonema.... So the answer is [(H)]
What release oxygen during the day but not at night?
Options:
- (A) sea anenomes
- (B) Organic compounds
- (C) orange trees
- (D) coral
- (E) power stations
- (F) humans
- (G) swamp vegetation
- (H) important habitats
--

[Assistant] Let's think first: Plants release oxygen during the day but not during the night. All orange trees are plants. Orange trees release oxygen during the day but not at night.... So the answer is [(C)]


[User]
Zooplankton are tiny animals that feed on what?
Options:
- (A) sunlight
- (B) vegetation
- (C) Energy
- (D) loose soil
- (E) plant life
- (F) diatoms
- (G) fungi
- (H) chemicals Let's solve this problem gradually.

[Assistant] Zooplankton are tiny animals that feed on phytoplankton. Diatoms are the predominant phytoplankton. Zooplankton are tiny animals that feed on diatoms. So the final answer is (F).


[User]
question... What attract pollinators like animals that eat apples and disperse the undigested seeds?
Options:
- (A) beans
- (B) honeybees
- (C) stalks
- (D) roots
- (E) bushes
- (F) orchids
- (G) ferns
- (H) flowers
answer... Flowers attract pollinators, and fruits encourage animals to disperse the seeds. Sweet fruit like apples are eaten by animals that disperse the undigested seeds. Flowers attract pollinators like animals that eat apples and disperse the undigested seeds.
The answer is (H)

question... Vertebrates are animals that have what?
Options:
- (A) major threat to health
- (B) the digestive system
- (C) characteristics
- (D) a three chambered heart
- (E) moving bones and joints
- (F) scales on their skin
- (G) a vertebrate column
- (H) aerobic capacity
answer... Vertebrates are animals that have a backbone. All vertebrates have a backbone or vertebral column. Vertebrates are animals that have a vertebral column.
The answer is (G)

question... Cartilage is a tough tissue made up of:
Options:
- (A) a cuticle
- (B) bones
- (C) Joules
- (D) neurons
- (E) the skin
- (F) loose soil
- (G) fibrils
- (H) muscle
answer...

[Assistant]
Cartilage is a tough tissue that contains a protein called collagen. Many collagen fibrils come together and form a collagen and forma collagen fiber. Cartilage is a tough tissue made up of fibrils.
The answer is (G)


[User]
Use reasoning to answer the following question. Food consists of organic molecules that store heat where?
Options:
- (A) in their chemical bonds
- (B) the rest of the body
- (C) the environment
- (D) by keeping them warm
- (E) Earth orbiting the Sun
- (F) Earth revolving around the sun
- (G) it helps plants in growing
- (H) the body's largest organ

[Assistant]
Food consists of organic molecules that store energy in their chemical bonds. Basically, heat is energy. Food consists of organic molecules that store heat in their chemical bonds.
So, the answer is (A).


[User]
Tumors are a collection of cancer what?
Options:
- (A) harmful
- (B) mutations
- (C) cells
- (D) toxins
- (E) three
- (F) Mass
- (G) oncogenes
- (H) ovaries OK. Let's think hard:

[Assistant]
Cancer cells divide more often than normal cells, and grow out of control. Cancer cells, however, grow out of control and develop into a tumor. Cancer cells divide more often than normal cells, and often develop into tumors.
So, the final answer is (C).


[User]
Ques:[What are beaks adapted to?
Options:
- (A) principals of aerodynamics
- (B) it keeps an organism warm
- (C) Animal survival
- (D) the environment
- (E) the color of the feathers
- (F) how the bird flies
- (G) food that is scavenged
- (H) the call the bird makes]
Ans:[Bird beaks are generally adapted for the food they eat. Birds eat food that they scavenge. Beaks are adapted for food that is scavenged.
(G)]

Ques:[What kind of bodies do earthworms have?
Options:
- (A) non-segmented
- (B) roots
- (C) slimy
- (D) fertile
- (E) bioaerosols
- (F) vertebrate
- (G) more abundant
- (H) segmented]
Ans:[Annelids are worms such as the familiar earthworm. Annelids have bodies that are segmented. Earthworms have segmented bodies.
(H)]

Ques:[What are killer whales?
Options:
- (A) red and black
- (B) They have thick fur
- (C) dangerous
- (D) sharks
- (E) deep sea creatures
- (F) marine species
- (G) Absorb light
- (H) animals]
Ans:[Marine species live mainly in shallow coastal waters. Killer whales prefer shallow and colder coastal waters. Killer whales are a marine species.
(F)]

Ques:[What must a chemical reaction overcome before starting?
Options:
- (A) PV=nRT
- (B) heat or cold
- (C) reactants
- (D) energy barrier
- (E) Dehydration
- (F) harmful substances
- (G) resistance
- (H) temperature]
Ans:

[Assistant]
[All chemical reactions require activation energy to get started. Activation energy is required to overcome the energy barrier. All chemical reactions must first overcome the energy barrier.
(D)]


[User]
Question: Trees have woody stems covered with what?
Options:
- (A) heat energy
- (B) thin skin
- (C) protective skin
- (D) skinny cells
- (E) white skin
- (F) Chlorophyll
- (G) Organic compounds
- (H) looseness
Let's be accurate as possible and think step-by-step.

[Assistant]
Trees have woody stems covered with bark. On the outside is a protective skin of bark made mainly of cork. Trees have woody stems covered with protective skin.
The answer: (C).


[User]
Ques:[Introns are areas that
Options:
- (A) it keeps an organism warm
- (B) Plant reproduction
- (C) the wearing away of rock
- (D) do not code for protein
- (E) Something coming from a gland
- (F) Plant growth is reduced
- (G) allow growth
- (H) produce offspring]
Ans:[Introns are regions that do not code for proteins. An area is a rectangular region of cells. Introns are areas that do not code for proteins.
(D)]

Ques:[What are the largest group of animals?
Options:
- (A) sharks
- (B) insects
- (C) tortoises
- (D) crocodiles
- (E) people
- (F) fur seals
- (G) animals
- (H) protected]
Ans:[Most arthropods are insects. Arthropods are the largest group of animals. The largest group of animals are insects.
(B)]

Ques:[What can slowly dissolve carbon in sedimentary rock?
Options:
- (A) hydrocarbons
- (B) acetic acid
- (C) precipitation
- (D) evaporation
- (E) rivers and streams
- (F) puddles
- (G) ponds
- (H) nitrogen]
Ans:[Flowing water can slowly dissolve carbon in sedimentary rock. Rivers and streams are bodies of fresh, flowing water. Rivers and streams can slowly dissolve carbon in sedimentary rock.
(E)]

Ques:[Adult urochordates are _-shaped.
Options:
- (A) Length
- (B) a prism
- (C) fossils
- (D) grow
- (E) barrel
- (F) fertile
- (G) Grow well
- (H) revolving]
Ans:

[Assistant]
[Adult tunicates are barrel-shaped. Urochordates are commonly called tunicates. Adult urochordates are barrel-shaped.
(E)]


[User]
Where do rays enter the eye?
Options:
- (A) glass
- (B) Summer
- (C) pupil
- (D) lenses
- (E) harmful
- (F) the sun
- (G) photons
- (H) skin
Hmmm, let me think. I don't want to be wrong, so I got to be careful.

[Assistant] Light enters the eye through an opening called the pupil. Light rays are focussed on the retina. When rays are shined at the eyes, they enter an opening called the pupil. The answer: (C).


[User]
Which of the following can travel longer than migrants each day?
Options:
- (A) humans
- (B) ducks
- (C) Whales
- (D) insects
- (E) fur seals
- (F) mammals
- (G) vehicles
- (H) alpacas Let's solve this problem gradually.

[Assistant] Migrants typically travel long distances. Whales travel long distances each day. While migrants would typically do so, whales can travel longer each day. So the final answer is (C).


[User]
Plants can be infected by what?
Options:
- (A) human pathogens
- (B) infected meat
- (C) Pesticides
- (D) insects
- (E) human papillomavirus
- (F) viruses
- (G) fungi
- (H) bacteria OK. Let's think hard:

[Assistant]
Viruses infect and live inside the cells of living organisms. Plants are complex living organisms. Viruses infect and live inside the cells of plants.
So, the final answer is (F).


[User]
Q: Macroevolution can occur in the taxonomical level called:
Options:
- (A) ferns
- (B) alpacas
- (C) complex
- (D) three
- (E) cracking
- (F) family
- (G) PDAs
- (H) ligt
Let's think step by step below.

[Assistant]
Macroevolution occurs over geologic time above the level of the species. Few families rival Piperaceae for difficulties at the species level. Macroevolution can occur in the taxonomical level called family.
Thus, the answer is (F).


[User]
What do catalysts do?
Options:
- (A) metabolic reaction
- (B) breathe
- (C) get chemical reactions started
- (D) Slowing the transfer of heat
- (E) A compound that donates proton
- (F) fertilize eggs
- (G) have a positive impact on the environment
- (H) inhibit chemical reactions
--
Let's think first: All chemical reactions require activation energy to get started. Catalysts lower the activation energy for reactions. Catalysts help chemical reactions to get started.... So the answer is [(C)]
------
What is important in preventing heat loss from the body?
Options:
- (A) hydration
- (B) a cuticle
- (C) stay warm
- (D) sweating
- (E) warmth
- (F) skin
- (G) keratin
- (H) Animal fur
--
Let's think first: Head hair is especially important in preventing heat loss from the body. Hair is actually composed of a protein called keratin. Keratin is especially important in preventing heat loss from the body.... So the answer is [(G)]
------
What lives in water that contains little or no salt?
Options:
- (A) animals
- (B) terrapins
- (C) a fish
- (D) Chlorophyll
- (E) bacteria
- (F) sharks
- (G) sodium
- (H) humans
--
Let's think first: Freshwater biomes have water that contains little or no salt. Terrapins are freshwater turtles. Terrapins live in water that contains little or no salt.... So the answer is [(B)]
------
Organisms cluster around hot water inside cracks where?
Options:
- (A) loose soil
- (B) ocean floor
- (C) food and shelter
- (D) tectonic plates
- (E) the ground
- (F) allow growth
- (G) Absorb light
- (H) survive
--

[Assistant]
Let's think first: Organisms cluster around hydrothermal vents in the ocean floor. Background Hot water vents form inside cracks in the ocean floor. Organisms cluster around hot water inside cracks in the ocean floor.... So the answer is [(B)]
------


[User]
Running water is able to do what to minerals and oxygen?
Options:
- (A) evaporation
- (B) dissolve them
- (C) reducing acid rain
- (D) recycling
- (E) clean them
- (F) separate them
- (G) hydration
- (H) cool them
Hmmm, let me think. I don't want to be wrong, so I got to be careful.

[Assistant] Running water is better able to dissolve oxygen and nutrients than standing water. Mineral nutrients are interrelated. Running water is better able to dissolve oxygen and minerals than standing water. The answer: (B).


[User]
[[Ques]]: What occurs with the stopping of menses?
Options:
- (A) puberty
- (B) illness
- (C) period
- (D) menopause
- (E) sweating
- (F) acetic acid
- (G) Dehydration
- (H) adulthood
[[Ans]]: [Menopause occurs when menstruation stops occurring, usually in middle adulthood. White bryony is used for suppressed menses, menstruation too early and too profuse. Menopause occurs when menses stop occurring, usually in middle adulthood.]
[(D)]

[[Ques]]: What increases the productivity and stability of the entire global system?
Options:
- (A) important habitats
- (B) Plants growth
- (C) solar system
- (D) animals
- (E) biodiversity
- (F) environment
- (G) bottlenecks
- (H) power stations
[[Ans]]: [Biodiversity increases the productivity and stability of ecosystems. Marine ecosystems also act as stabilizers of global systems especially our climate. Biodiversity increases the productivity and stability of the entire global system.]
[(E)]

[[Ques]]: What do most molds get their organic compounds from?
Options:
- (A) dead organisms
- (B) particles in the air
- (C) fossil fuels
- (D) aqueous solution
- (E) burning coal
- (F) living organisms
- (G) swamp vegetation
- (H) sunlight
[[Ans]]:

[Assistant]
[Most fungi get organic compounds from dead organisms. Fungi include yeasts, molds, and fleshy fungi. Molds get organic compound from dead organisms.]
[(A)]


[User]
Female gametophytes produce eggs inside the part of the flower where what will eventually develop?
Options:
- (A) embryos
- (B) bushes
- (C) seeds
- (D) fruit
- (E) honey
- (F) fertile
- (G) pollen
- (H) bamboo
--
Let's think first: Female gametophytes produce eggs inside the ovaries of flowers. Fruits develop from the ovary of the flower. Female gametophytes produce eggs inside the part of the flower where the fruit will eventually develop.... So the answer is [(D)]
_ are found mainly in the skin.
Options:
- (A) To keep their body heat.
- (B) Veins and arteries.
- (C) layers of fat
- (D) Leptospirosis
- (E) refraction of light
- (F) Pacinian corpuscles
- (G) major threat to health
- (H) it keeps an organism warm
--
Let's think first: Pressure receptors are found mainly in the skin. Pacinian corpuscles are pressure receptors. Pacinian corpuscles are found mainly in the skin.... So the answer is [(F)]
What happens to bamboo throughout its life?
Options:
- (A) It helps them survive
- (B) it has cellular respiration
- (C) it dies and comes back to life
- (D) it continues to grow
- (E) it needs no water
- (F) it keeps an organism warm
- (G) flow of electrons
- (H) the body's largest organ
--
Let's think first: Most plants continue to grow throughout their lives. Bamboos are vigorous, rugged plants. Bamboo continue to grow throughout their lives.... So the answer is [(D)]
What can develop into new haploid individuals without being fertilized?
Options:
- (A) bacteria
- (B) alpacas
- (C) parasites
- (D) Candida
- (E) cows
- (F) insects
- (G) orchids
- (H) ferns
--
Let's think first: Fungi spores can develop into new haploid individuals without being fertilized. Candida and Aspergillus are types of fungi. Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.... So the answer is [(D)]
Where in a cell are ribosomes located?
Options:
- (A) outside the nucleus
- (B) Most plants
- (C) solid, liquid, gas
- (D) allow growth
- (E) Veins and arteries.
- (F) Earth orbiting the Sun
- (G) Chlorophyll
- (H) the body's largest organ
--
Let's think first: Ribosomes are structures in the cytoplasm where proteins are made. Outside the nucleus is cytoplasm. Ribosomes are structures outside the nucleus where proteins are made.... So the answer is [(A)]
What occurs when the tension of cell walls are eased?
Options:
- (A) Sleep
- (B) exercise
- (C) friction
- (D) Exfoliation
- (E) recovery
- (F) dilation
- (G) sweating
- (H) murmur
--

[Assistant] Let's think first: Dilation occurs when cell walls relax. Relaxation promotes relaxation and easing of tension. Dilation occurs when the tension of cell walls are eased.... So the answer is [(F)]


[User]
Amphibians with what are more advanced than fish?
Options:
- (A) four eyes
- (B) sensory neurons
- (C) rapid expansion
- (D) layers of fat
- (E) four limbs
- (F) kinetic energy
- (G) tails
- (H) many limbs
Hmmm, let me think. I don't want to be wrong, so I got to be careful.

[Assistant] Amphibians are the first true tetrapods, or vertebrates with four limbs. All vertebrates more advanced than fish have four limbs, each with up to five fingers or toes. Amphibians with four limbs are more advanced than fish. The answer: (E).


[User]
Question: Where does the energy to evaporate perspiration come from?
Options:
- (A) heat produced
- (B) The Sun
- (C) goosebumps
- (D) electrical energy
- (E) kinetic force
- (F) body heat
- (G) heat energy
- (H) energy
Let's be accurate as possible and think step-by-step.

[Assistant]
Evaporation of sweat uses energy, and the energy comes from body heat. Sweat glands pump perspiration through pores. Perspiration comes through pores and is evaporated by energy from body heat.
The answer: (F).


[User]
Starfish, sea urchins and sea cucumbers lack a what?
Options:
- (A) characteristics
- (B) the body's largest organ
- (C) watery habitat
- (D) centralized nervous system
- (E) functioning arm
- (F) underwater life
- (G) biological diversity
- (H) epidermis and dermis Let's solve this problem gradually.

[Assistant] Echinoderms lack a centralized nervous system. Echinoderms include starfish, sea urchins, and sea cucumbers. Starfish, sea urchins and sea cucumbers lack a centralized nervous system. So the final answer is (D).


[User]
Marine animals find these to be a great source of food:
Options:
- (A) grain
- (B) nutrient
- (C) sponges
- (D) Energy.
- (E) sea vents
- (F) sodium
- (G) Energy
- (H) fungi
--
Let's think first: Sponges are a source of food for many species of fish. Fish and other marine animals abound here. Sponges are a source of food for many marine animals.... So the answer is [(C)]
How can behavior be learned?
Options:
- (A) by inheriting them
- (B) competition
- (C) An object is seen
- (D) by staying away from others
- (E) by ignoring others
- (F) Riding a bike
- (G) firm hugs
- (H) through games
--
Let's think first: Behaviors can be learned through play. Ian plays role playing games. Behaviors can be learned through games.... So the answer is [(H)]
What is called when plants grow toward the sun or an artificial light?
Options:
- (A) Exfoliation
- (B) Brownian motion
- (C) heat energy
- (D) phototropism
- (E) photovoltaic
- (F) autumn
- (G) peachleaf willow
- (H) mitosis
--
Let's think first: Plants exhibit phototropism, or growing toward a light source. Many light sources such as the sun and most artificial lights produce unpolarized light. Plants exhibit phototropism, or growing toward the sun or artificial light.... So the answer is [(D)]
What is sugar stored as by the body?
Options:
- (A) heat energy
- (B) sun's heat
- (C) A drug.
- (D) A kernel
- (E) energy
- (F) glycogen
- (G) lmestone
- (H) Hemoglobin
--
Let's think first: Glucose is used for energy by the cells of most organisms. Glucose, the sugar the body uses for fuel, is stored as glycogen. Sugar is used for energry by the body is stored as glycogen.... So the answer is [(F)]
What do animals use for energy storage?
Options:
- (A) photosynthesis
- (B) sweating
- (C) vitamin C
- (D) batteries
- (E) methane
- (F) glucose
- (G) sugar
- (H) lipids
--
Let's think first: Organisms use lipids to store energy. Plants and animals are organisms. Animals use lipids to store energy.... So the answer is [(H)]
What type of acid contains inherited instructions for proteins?
Options:
- (A) HIV
- (B) p53
- (C) genetic acids
- (D) DNA
- (E) SNPs
- (F) protein acid
- (G) RNA
- (H) two
--

[Assistant] Let's think first: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins. Genetic memory is inherited. DNA contains inherited instructions for proteins.... So the answer is [(D)]


[User]
Q: Dna can be fixed with repair mechanisms of
Options:
- (A) CO 2
- (B) cells
- (C) three
- (D) plants
- (E) SO2
- (F) fungi
- (G) alleles
- (H) Seesaw
Let's think step by step below.

[Assistant]
Cells have multiple repair mechanisms to fix mutations in DNA. Genetic Mutations Genetic mutations occur frequently. Cells have repair mechanisms to fix genetic problems in DNA.
Thus, the answer is (B).


[User]
Q: What size are cells?
Options:
- (A) either huge or tiny
- (B) non existent
- (C) dense
- (D) large
- (E) white
- (F) tiny
- (G) dead
- (H) albino
Let's think step by step below.

[Assistant]
Cells vary in size as well as shape, but all cells are very small. Atoms are tiny particles that are too small to see. Cells vary in size as well as shape, but all cells are very tiny.
Thus, the answer is (F).


[User]
question... What is the process of breaking down food into nutrients?
Options:
- (A) recycling
- (B) food processing
- (C) digestion
- (D) bacteria
- (E) eating
- (F) hydration
- (G) Dehydration
- (H) blender
answer... Digestion is the process of breaking down food into components the body can absorb. Nutrients are absorbed by the intestines and if the walls are coated, fewer nutrients are absorbed. Digestion is the process of breaking down food into nutrients.
The answer is (C)

question... Active immunity is when an immune response occurs after a germ produces what?
Options:
- (A) harmful substances
- (B) bioaerosols
- (C) rapid expansion
- (D) Allergies
- (E) anemia
- (F) it needs them
- (G) Chemical energy
- (H) memory cells
answer... Active immunity results when an immune response to a pathogen produces memory cells. Pathogens are germs that cause disease. Active immunity results when an immune response to a germ produces memory cells.
The answer is (H)

question... Organells found in the cells of plants and algae enable many things, including:
Options:
- (A) movement
- (B) photosyntehsis
- (C) food and shelter
- (D) sugar
- (E) glucose
- (F) organic
- (G) Energy.
- (H) survival
answer...

[Assistant]
Chloroplasts are organelles that are found in the cells of plants and algae. Chloroplasts Chloroplasts serve as the site of photosynthesis. The site of photosynthesis in plant and algae cells is found within organelles.
The answer is (B)


[User]
Question to you: Organisms that live in marine biomes must be adapted to most of the what on the planet?
Options:
- (A) water
- (B) liquid
- (C) Light
- (D) Energy.
- (E) growth
- (F) Winter
- (G) energy
- (H) heat.
Let's reason step-by-step:

[Assistant] Organisms that live in marine biomes must be adapted to the salt in the water. Most of the water on the planet is salt water in the oceans. Organisms that live in marine biomes must be adapted to most of the water on the planet. Final answer: (A).


[User]
What are bacteria and algae that use sunlight to make food?
Options:
- (A) birds
- (B) carnivorous organisms
- (C) Transfers energy
- (D) competing for resources
- (E) planktonic plants
- (F) By wind and rain
- (G) fish
- (H) Chemical energy
Hmmm, let me think. I don't want to be wrong, so I got to be careful.

[Assistant] Phytoplankton are bacteria and algae that use sunlight to make food. Planktonic plants are called phytoplankton. Planktonic plants are bacteria and algae that use sunlight to make food. The answer: (E).


[User]
What is critical?
Options:
- (A) Balance
- (B) oxygen
- (C) recovery
- (D) Electrical
- (E) heat
- (F) sun's heat
- (G) stay warm
- (H) stamina
--
Let's think first: Balance is the ability to sense and maintain body position. Body position is critical. Balance is critical.... So the answer is [(A)]
What makes food from co and h 2?
Options:
- (A) producers
- (B) carbon atoms
- (C) Most plants
- (D) production lines
- (E) light energy
- (F) trees
- (G) air pockets
- (H) Chlorophyll
--
Let's think first: Producers make food from inorganic molecules. Among the small inorganic molecules which are economically attractive are CO and H 2 . Producers make food from CO and H 2.... So the answer is [(A)]
Temperature and pressure receptors in most animals are located:
Options:
- (A) Veins and arteries.
- (B) in one limb each
- (C) in the same organ
- (D) an organism's body
- (E) it keeps an organism warm
- (F) in two different organs
- (G) in plants
- (H) frontal zones
--
Let's think first: Pressure receptors are found mainly in the skin. Temperature sensors in vertebrates are located in the skin and in the hypothalamus. Temperature and pressure sensors are located in the same organ in most animals.... So the answer is [(C)]
What can hiv infect and destroy part of?
Options:
- (A) water
- (B) parasitic
- (C) epidermis and dermis
- (D) the immune response
- (E) Veins and arteries.
- (F) Most plants
- (G) the body's largest organ
- (H) Trojan worm
--
Let's think first: HIV infects and destroys helper T cells. Helper T Cells Helper T cells are the brains behind immune response. HIV infects and destroys part of the immune response.... So the answer is [(D)]
Where is brca2 located?
Options:
- (A) retina
- (B) lungs
- (C) chromatic
- (D) the eyes
- (E) chromosome
- (F) chromography
- (G) chrome
- (H) sensory neurons
--
Let's think first: Chromosomes contain genes, which code for proteins. Another gene, named BRCA2, has also been identified. Chromosomes contain BRCA2.... So the answer is [(E)]
_ are aerobic
Options:
- (A) goats
- (B) plants
- (C) algae
- (D) moss
- (E) cells
- (F) chloroplast
- (G) complex
- (H) humans
--

[Assistant] Let's think first: Cells cannot survive without oxygen. Bacteria that require oxygen are aerobic. Cells are aerobic.... So the answer is [(E)]


[User]
Question: What is important for the chemical equilibrium of the body?
Options:
- (A) sleep
- (B) exercise
- (C) hydration
- (D) dish soap
- (E) eyesight
- (F) hormones
- (G) detergent
- (H) glucose
Let's be accurate as possible and think step-by-step.

[Assistant]
Hormones control many cell activities, so they are very important for homeostasis. Homeostasis is the chemical equilibrium of the body. Hormones are very important for the chemical equilibrium of the body.
The answer: (F).


[User]
Salt in the water is something that must be adapted to by organisms who live in:
Options:
- (A) evaporation
- (B) environment
- (C) rivers
- (D) bioaerosols
- (E) our planet
- (F) Deposition
- (G) estuaries
- (H) deserts Let's solve this problem gradually.

[Assistant] Organisms that live in marine biomes must be adapted to the salt in the water. Estuaries display characteristics of both marine and freshwater biomes. Organisms that live in estuaries must be adapted to the salt in the water. So the final answer is (G).


[User]
Q: What do viruses contain?
Options:
- (A) electromagnetic energy
- (B) light energy
- (C) resistance
- (D) contamination
- (E) Deoxyribonucleicacid
- (F) Chemical energy
- (G) harmful substances
- (H) Leptospirosis
Let's think step by step below.

[Assistant]
Viruses contain DNA but not much else. DNA stands for Deoxyribonucleicacid. Viruses contain Deoxyribonucleicacid but not much else.
Thus, the answer is (E).


[User]
What affects the respiratory and circulatory systems in the body?
Options:
- (A) HIV
- (B) sulfur
- (C) smog
- (D) stress
- (E) fever
- (F) sweat
- (G) heat
- (H) tar OK. Let's think hard:

[Assistant]
Air pollution harms the respiratory and circulatory systems. An example of an air pollution reaction is the production of photochemical smog. Smog harms the respiratory and circulatory systems.
So, the final answer is (C).


[User]
Use reasoning to answer the following question. What can decompose a bow?
Options:
- (A) Acids
- (B) Oak
- (C) CO 2
- (D) pine
- (E) erosion
- (F) Wind
- (G) water
- (H) Fungi

[Assistant]
Fungi are the only organisms that can decompose wood. Bows are wood, and wood breaks. Only fungi can decompose bows.
So, the answer is (H).


[User]
Question: Humans have collected and grown what for food for thousands of years?
Options:
- (A) plants
- (B) fungi
- (C) ferns
- (D) cheese
- (E) fungus
- (F) salmon
- (G) hamburgers
- (H) primates
Let's be accurate as possible and think step-by-step.

[Assistant]
Humans have collected and grown mushrooms for food for thousands of years. Mushrooms are an example of fungi. Humans have collected and grown fungi for food for thousands of years.
The answer: (B).


[User]
What kind of life cycle do desmids have?
Options:
- (A) allow growth
- (B) Leptospirosis
- (C) varied life cycle
- (D) solid, liquid, gas
- (E) Veins and arteries.
- (F) immortal
- (G) fixed life cycle
- (H) static life cycle
--
Let's think first: Algae have varied life cycles. Desmids are green algae, members of the Chlorophyta. Desmids have varied life cycles.... So the answer is [(C)]
Where do streams often get h20?
Options:
- (A) perspiration
- (B) at or near the margins
- (C) raising their temperature
- (D) the landscape
- (E) seeping out of a spring
- (F) cloudy and rainy weather
- (G) Inches or fractions of inches.
- (H) precipitation
--
Let's think first: Streams may start with runoff or water seeping out of a spring. Water is everywhere H20. Streams often start with runoff or H20 seeping out of a spring.... So the answer is [(E)]
Intelligence is primarily encoded in what?
Options:
- (A) Man
- (B) RNA
- (C) SNPs
- (D) p53
- (E) deep set eyes
- (F) reading glasses
- (G) DNA
- (H) python code
--
Let's think first: Characteristics that are encoded in DNA are called genetic traits. Intelligence is primarily a genetically inherited trait. Intelligence is primarily encoded in DNA.... So the answer is [(G)]
What must a chemical reaction overcome before starting?
Options:
- (A) PV=nRT
- (B) heat or cold
- (C) reactants
- (D) energy barrier
- (E) Dehydration
- (F) harmful substances
- (G) resistance
- (H) temperature
--
Let's think first: All chemical reactions require activation energy to get started. Activation energy is required to overcome the energy barrier. All chemical reactions must first overcome the energy barrier.... So the answer is [(D)]
What is ethanol produced from?
Options:
- (A) coal
- (B) sugar
- (C) SO2
- (D) animal fat
- (E) paper
- (F) salts
- (G) Trees
- (H) Oak
--
Let's think first: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. Glucose, a type of sugar, is the body's fuel. Ethanol is produced by alcoholic fermentation of the sugar in corn or other plants.... So the answer is [(B)]
The majority of multicellular eukaryotes are:
Options:
- (A) Most plants
- (B) infectious
- (C) viruses
- (D) bacteria
- (E) Absorb light
- (F) insects
- (G) important habitats
- (H) invertebrates
--

[Assistant] Let's think first: Animals are a kingdom of multicellular eukaryotes. Invertebrates are the majority of the animal kingdom. The majority of multicellular eukaryotes are invertebrates.... So the answer is [(H)]


[User]
What increases the stability of ecosystems?
Options:
- (A) overpopulation
- (B) water consumption
- (C) loose soil
- (D) Quality of life
- (E) agriculture
- (F) deforestation
- (G) ecotourism
- (H) trees Think carefully first, then make a decision. My thoughts:

[Assistant] Biodiversity increases the productivity and stability of ecosystems. Ecotourism, on the other hand, can help to conserve biodiversity. Ecotourism increases the stability of ecosystems. So the answer is (G).