Question:
What is less complex in smaller, simple cells?
Options:
- (A) sensory neurons
- (B) Cell death
- (C) peachleaf willow
- (D) Cell division
- (E) Sex
- (F) permineralization
- (G) Veins and arteries.
- (H) Pregnancy

Answer: (D)

Cell division is more complex in eukaryotes than prokaryotes. Prokaryotes are smaller and simpler than eukaryotes. Cell division is less complex in smaller, simple cells.


Question:
This process is always more complex in eukaryotes than prokaryotes
Options:
- (A) eukaryotic infection
- (B) mitosis
- (C) kinetic
- (D) movement
- (E) breathing
- (F) recycling
- (G) photosynthesis
- (H) relocation

Answer: (B)

Cell division is more complex in eukaryotes than prokaryotes. Mitosis is cell division. Eukaryotes have more complex mitosis than prokaryotes.


Question:
Cell division is more complex in organisms with what?
Options:
- (A) Chemical energy
- (B) Earth orbiting the Sun
- (C) Electrical energy
- (D) faster movement
- (E) scarce resources
- (F) aerobic capacity
- (G) Localized damage
- (H) rapid expansion

Answer: (D)

Cell division is more complex in eukaryotes than prokaryotes. Eukaryotes move much faster than prokaryotes. Cell division is more complex in organisms with faster movement.


Question:
_ is more complex in eukaryotes than prokaryotes.
Options:
- (A) voltage
- (B) disease
- (C) Epidermis
- (D) Mitosis
- (E) organ
- (F) distance
- (G) recycling
- (H) resistance

Answer: (D)

Cell division is more complex in eukaryotes than prokaryotes. Mitosis is cell division. Mitosis is more complex in eukaryotes than prokaryotes.


Question:
Something more complex in eukaryotes than prokaryotes leads to what?
Options:
- (A) harm them
- (B) sweating
- (C) Growth
- (D) illness
- (E) fever
- (F) parasites
- (G) death
- (H) recycling

Answer: (C)

Cell division is more complex in eukaryotes than prokaryotes. Cell division leads to the growth of cells in the population. Something that leads to growth is more complex in eukaryotes than prokaryotes.


Question:
What breathes with gills as larvae and with lungs as adults.
Options:
- (A) Salmon.
- (B) Frogs.
- (C) parasites
- (D) Whales.
- (E) Mice.
- (F) a fish
- (G) air
- (H) tortoises

Answer: (B)

Most amphibians breathe with gills as larvae and with lungs as adults. All frogs are amphibians. Most frogs breathe with gills as larvae and with lungs as adults.


Question:
How do ost frogs breathe as tadpoles?
Options:
- (A) gills
- (B) sucking in air
- (C) oxygen
- (D) lungs
- (E) ligt
- (F) nektar
- (G) skin
- (H) ovaries

Answer: (A)

Most amphibians breathe with gills as larvae and with lungs as adults. Frogs are the most durable of the amphibians. Most frogs breathe with gills as larvae and with lungs as adults.


Question:
What do frogs breathe with when they are adults?
Options:
- (A) skin
- (B) fins
- (C) lungs
- (D) oxygen
- (E) gills
- (F) air
- (G) Energy
- (H) Gases

Answer: (C)

Most amphibians breathe with gills as larvae and with lungs as adults. All frogs are amphibians. Frogs breathe with gills as larvae and with lungs as adults.


Question:
A response to what occurs when many muscles contract a little at once?
Options:
- (A) heat
- (B) cold
- (C) sweat
- (D) pain
- (E) forces
- (F) stress
- (G) comfort
- (H) motion

Answer: (B)

Shivering occurs when many muscles contract a little bit all at once. Another response to cold is shivering. A response to cold occurs when many muscles contract a little at once.


Question:
What ccurs when many muscles contract a little bit all at once?
Options:
- (A) heat production
- (B) heat loss
- (C) sweating
- (D) permineralization
- (E) hypothermia
- (F) resistance
- (G) cramping
- (H) heat energy

Answer: (A)

Shivering occurs when many muscles contract a little bit all at once. Heat production is increased by shivering and non-shivering thermogenesis . Heat production occurs when many muscles contract a little bit all at once.


Question:
What does shivering generate?
Options:
- (A) kinetic
- (B) energy
- (C) friction
- (D) Energy.
- (E) expels heat
- (F) heat
- (G) warmth
- (H) rhythm

Answer: (G)

Shivering occurs when many muscles contract a little bit all at once. Shivering causes muscle contractions to warm the body. The contractions caused by shivering generates warmth.


Question:
When many muscles contract a little bit, simultaenous, it produces:
Options:
- (A) forces
- (B) heat
- (C) cold blooded
- (D) sweat
- (E) electrical energy
- (F) Energy
- (G) pain
- (H) thermal displacement

Answer: (B)

Shivering occurs when many muscles contract a little bit all at once. Heat production is increased by shivering and non-shivering thermogenesis . Heat production is increased when many muscles contract a little bit, all at once.


Question:
Who can shiver?
Options:
- (A) bats
- (B) Sidewalks
- (C) humans
- (D) Bees
- (E) koalas
- (F) Mountains
- (G) Trees
- (H) people

Answer: (D)

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.


Question:
What is something that correlates with temperature change?
Options:
- (A) Lift
- (B) fronts
- (C) heat
- (D) wind
- (E) fever
- (F) sweat
- (G) Joules
- (H) stress

Answer: (A)

Temperature falls from lower to higher altitudes. Lift decreases with altitude. Lower temperatures align with lower lifts.


Question:
The measurement of what falls from lower to higher altitudes?
Options:
- (A) snow
- (B) rain
- (C) Energy
- (D) heat
- (E) Inches
- (F) meters
- (G) H 2 O
- (H) motion

Answer: (D)

Temperature falls from lower to higher altitudes. Heat and temperature are the same. Heat falls from lower to higher altitudes.


Question:
What do most salamanders use to find a mate?
Options:
- (A) olfaction
- (B) sound
- (C) seduction
- (D) fur and fat
- (E) heat energy
- (F) air
- (G) environment
- (H) water

Answer: (A)

Most salamanders use their sense of smell to find a mate. Olfaction is the sense of smell. Most salamanders use olfaction to find a mate.


Question:
What organism uses their sense of smell to find a mate?
Options:
- (A) fur seals
- (B) bears
- (C) Amphibians
- (D) Fish
- (E) mammals
- (F) Butterflies
- (G) rabbit
- (H) Honey smelling bees

Answer: (C)

Most salamanders use their sense of smell to find a mate. Salamanders are a type of amphibian. Some amphibians use their sense of smell to find a mate.


Question:
In their quest for reproduction, salamanders are assisted by their what?
Options:
- (A) animals
- (B) kinetic energy
- (C) sense of irony
- (D) taste in clothing
- (E) fur and fat
- (F) sense of smell
- (G) chameleon
- (H) insects

Answer: (F)

Most salamanders use their sense of smell to find a mate. Food to survive, mates to reproduce, and water to drink. To reproduce, salamanders are assisted by their sense of smell.


Question:
How do salamanders usually find sexual partners?
Options:
- (A) mouth of rivers
- (B) It helps them survive
- (C) interact
- (D) it needs them
- (E) competition
- (F) movement
- (G) sense of smell
- (H) heat produced

Answer: (G)

Most salamanders use their sense of smell to find a mate. To couple in sexual union, to be matched or mated. Most salamanders find sexual partners by their sense of smell.


Question:
Electron transport requires which of the following?
Options:
- (A) electron microscope
- (B) sodium
- (C) Energy.
- (D) Oxygen
- (E) fission
- (F) warmth
- (G) flagellum
- (H) Energy

Answer: (D)

Electron transport is the final stage of aerobic respiration. Aerobic respiration occurs only in the presence of oxygen. Electron transport occurs only in the presence of oxygen.


Question:
What is the last stage of aerobic transportation?
Options:
- (A) formation of acetyl coenzyme A
- (B) Glycolysis
- (C) electron transport
- (D) Dehydration
- (E) citric acid cycle
- (F) flow of electrons
- (G) recovery time from fatigue
- (H) weight-lifting

Answer: (C)

Electron transport is the final stage of aerobic respiration. Last, the final project is due. Electron transport in the last stage of aerobic respiration.


Question:
What wets the skin, and when it evaporates, it cools the body?
Options:
- (A) Heat energy
- (B) salt and water
- (C) acetic acid
- (D) urine
- (E) ice
- (F) Chlorophyll
- (G) white vinegar
- (H) blood

Answer: (B)

Sweat wets the skin, and when it evaporates, it cools the body. Sweat is made of salt and water. Water and salt wets the skin, and when it evaporates, it cools the body.


Question:
Perspiration does what to the skin when it is evaporated from the skin onto the air?
Options:
- (A) reduced heat
- (B) cleans it
- (C) heats it
- (D) temperature
- (E) cools it
- (F) heat or cold
- (G) air cools
- (H) turns it to steam

Answer: (E)

Sweat wets the skin, and when it evaporates, it cools the body. Diaphoresis is a fancy medical term for perspiration or sweating. Perspiration wets the skin and when it evaporates it cools the body.


Question:
An overheated body can use water for:
Options:
- (A) metabolic reaction
- (B) dehydrating
- (C) raising their temperature
- (D) heat produced
- (E) liquid
- (F) watering plants
- (G) evaporative cooling
- (H) retaining heat

Answer: (G)

Sweat wets the skin, and when it evaporates, it cools the body. Sweat is made of salt and water. The evaporation of water from the skin cools the body.


Question:
What interferes with cooling of the body?
Options:
- (A) low humidity
- (B) snow
- (C) ice
- (D) Sulfur dioxide
- (E) Leptospirosis
- (F) Smoking
- (G) heat or cold
- (H) high humidity

Answer: (H)

Sweat wets the skin, and when it evaporates, it cools the body. High humidity interferes with evaporation of the sweat. High humidity interferes with cooling of the body.


Question:
What wets the skin, and when it evaporates, it cools the body?
Options:
- (A) heat energy
- (B) acetic acid
- (C) Air conditioner
- (D) salt and water.
- (E) Skin oil
- (F) water vapor
- (G) Perspiration
- (H) A towel

Answer: (G)

Sweat wets the skin, and when it evaporates, it cools the body. Perspiration There are about 2 million sweat glands in the average human body. Perspiration wets the skin, and when it evaporates, it cools the body.


Question:
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

Answer: (H)

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.


Question:
What do mussels eat?
Options:
- (A) bivalves
- (B) sub-units of species
- (C) Something coming from a gland
- (D) mussels
- (E) plankton and nonliving organic
- (F) Something made from fermented ricce
- (G) mollusks
- (H) Microscopic organisms

Answer: (E)

Bivalves feed on plankton and nonliving organic matter. Mussels are bivalve mollusks. Mussels eat plankton and nonliving organic matter.


Question:
What feeds on plankton and nonliving organic matter?
Options:
- (A) bacteria
- (B) barnacles
- (C) animals
- (D) sharks
- (E) pythons
- (F) graptolites
- (G) molluscs
- (H) bears

Answer: (G)

Bivalves feed on plankton and nonliving organic matter. Bivalve molluscs are very common. Molluscs feed on plankton and nonliving organic matter.


Question:
What can prevent 90 percent of the body's heat loss?
Options:
- (A) Masks
- (B) fur
- (C) coats
- (D) bald head
- (E) increase body fat
- (F) sweaters
- (G) skin
- (H) hair

Answer: (H)

Head hair is especially important in preventing heat loss from the body. Almost 90 percent of the body's heat loss is from the head. Without hair, 90 percent of the body's heat would be lost.


Question:
Something that helps prevent hypothermia:
Options:
- (A) dehydration
- (B) freezing
- (C) water
- (D) head hair
- (E) cold
- (F) electricity
- (G) Exfoliation
- (H) sweating

Answer: (D)

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.


Question:
What does head hair prevent the loss of?
Options:
- (A) matter
- (B) chemicals
- (C) energy
- (D) sunlight
- (E) Nutrients
- (F) warmth
- (G) humidity
- (H) sweating

Answer: (C)

Head hair is especially important in preventing heat loss from the body. Basically, heat is energy. Head hair is especially important in preventing energy loss from the body.


Question:
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

Answer: (G)

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.


Question:
The vascular cambria allows:
Options:
- (A) Exfoliation
- (B) roots to grow
- (C) plant
- (D) movement
- (E) Animal survival
- (F) soil
- (G) liver
- (H) rapid expansion

Answer: (B)

Roots grow in length and width from primary and secondary meristem. Vascular cambium is a primary meristem. Roots grow in length and width from the vascular cambium.


Question:
Carrots and beets what in length and width from primary and secondary meristem?
Options:
- (A) grow shorter
- (B) grow smaller
- (C) grow bigger
- (D) peachleaf willow
- (E) grow narrower
- (F) they bend
- (G) In their leaves
- (H) rapid expansion

Answer: (C)

Roots grow in length and width from primary and secondary meristem. For example, carrots and beets are roots. Carrots and beets grow in length and width from primary and secondary meristem.


Question:
What grow in width and length.?
Options:
- (A) crocodiles
- (B) sedimentary rocks
- (C) vegetation
- (D) remains of prehistoric life
- (E) swamp vegetation
- (F) shrub beds
- (G) underground systems
- (H) loose dirt

Answer: (G)

Roots grow in length and width from primary and secondary meristem. Kids see the underground root systems of trees and then an aerial view of plants in the city. Underground systems grow in width and length.


Question:
What is produced by alcoholic fermentation of glucose in corn?
Options:
- (A) peachleaf willow
- (B) A compound that donates proton
- (C) A cleaning fluid
- (D) A source of electricity
- (E) A transportation fuel
- (F) Organic compounds
- (G) A yeast
- (H) Chemical energy

Answer: (E)

Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. Ethanol is another transportation fuel. A transportation fuel is produced by alcoholic fermentation of the glucose in corn or other plants.


Question:
What is produced by the fermentation in corn and other plants?
Options:
- (A) carbon dioxide
- (B) white vinegar
- (C) gasoline
- (D) grain alcohol
- (E) glucose
- (F) vinegar
- (G) Organic compounds
- (H) chlorofluorocarbons

Answer: (D)

Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. Ethanol is a grain alcohol. Grain alcohol is produced by fermentation of the glucose in corn or other plants.


Question:
What is ethanol produced from?
Options:
- (A) coal
- (B) sugar
- (C) SO2
- (D) animal fat
- (E) paper
- (F) salts
- (G) Trees
- (H) Oak

Answer: (B)

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.


Question:
What can fats consist of?
Options:
- (A) Energy
- (B) Weight
- (C) ice
- (D) chlorophyll
- (E) water
- (F) Energy.
- (G) Chemical energy
- (H) fatty acid

Answer: (H)

Lipids may consist of fatty acids alone, or they may contain other molecules as well. Fats are known as lipids. Fats may consist of fatty acids alone, or they may contain other molecules as well.


Question:
Diverse hydrophobic molecules may consist of what type of acids?
Options:
- (A) Acids
- (B) solutes
- (C) watery
- (D) three
- (E) cell
- (F) rings
- (G) dry
- (H) fatty

Answer: (H)

Lipids may consist of fatty acids alone, or they may contain other molecules as well. Lipids Lipids are diverse hydrophobic molecules. Diverse hydrophobic molecules may consist of fatty acids alone.


Question:
What can fatty acids be combined with, in addition to carbon and oxygen?
Options:
- (A) Sodium
- (B) Energy.
- (C) glucose
- (D) Carbon Dioxide
- (E) Fuel cells
- (F) Uranium
- (G) Hydrogen
- (H) Energy

Answer: (G)

Lipids may consist of fatty acids alone, or they may contain other molecules as well. Lipids Lipids are also composed of carbon, oxygen and hydrogen. Carbon, oxygen, and hydrogen can be combined with fatty acids.


Question:
What is the major thing that biological membranes consist of?
Options:
- (A) chemicals
- (B) glucose
- (C) lipids
- (D) Energy
- (E) complex
- (F) oxygen
- (G) matter
- (H) an ion

Answer: (C)

Lipids may consist of fatty acids alone, or they may contain other molecules as well. All biological membranes contain lipids as the major constituent. All biological membranes have lipids as the main consituent which consist of fatty acids.


Question:
What supplement would a human take to aid in breaking down food?
Options:
- (A) sweating
- (B) Energy
- (C) Enzymes.
- (D) Calcium supplements.
- (E) Energy.
- (F) Antacid.
- (G) Protein supplement.
- (H) evaporation

Answer: (C)

Digestion is the process of breaking down food into components the body can absorb. Digestive enzymes are necessary for a complete digestion. Enzymes break down food into components the body can absorb.


Question:
What is the process of breaking down food proteins into energy or heat?
Options:
- (A) dissecting
- (B) dehydration
- (C) elimination
- (D) energy
- (E) digestion
- (F) Cooking
- (G) calorie retention
- (H) Evaporation

Answer: (E)

Digestion is the process of breaking down food into components the body can absorb. Food proteins are changed into energy or heat to be used or absorbed by the body. Digestion is the process of breaking down food proteins into energy or heat.


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: (C)

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.


Question:
Why do male gametes swim from male to female reproductive organs?
Options:
- (A) temperature changes
- (B) to leave the egg
- (C) fertilization
- (D) competition
- (E) it needs them
- (F) to feed
- (G) permineralization
- (H) to heal themselves

Answer: (C)

Sperm had to swim from male to female reproductive organs for fertilization. Male gametes are called sperm. Male gametes had to swim from male to female reproductive organs for fertilization.


Question:
What happens when sperm swim from men's to women's reproductive organs?
Options:
- (A) by indirect light
- (B) matter vibrating
- (C) death
- (D) competition
- (E) fertile crescent
- (F) fertilizer
- (G) permineralization
- (H) fertilization

Answer: (H)

Sperm had to swim from male to female reproductive organs for fertilization. And the word for woman means a female of any age. Sperm have to swim from men to women reproductive organs to be fertilized.


Question:
What swims from male to female reproductive organs in fertilization?
Options:
- (A) ovaries
- (B) barnacles
- (C) fur seals
- (D) eggs
- (E) gastropod shells
- (F) male gametes
- (G) kinetic energy
- (H) female gametes

Answer: (F)

Sperm had to swim from male to female reproductive organs for fertilization. Gametes in males are called sperm, and in women commonly referred to as eggs. Male gametes swim from male to female reproductive organs for fertilization.


Question:
Sperm had to swim from what to what reproductive organs for zygotes to occur.
Options:
- (A) barnacles
- (B) male to female
- (C) animals
- (D) ocean water
- (E) male to male
- (F) mouth of rivers
- (G) female to male
- (H) female to female

Answer: (B)

Sperm had to swim from male to female reproductive organs for fertilization. If fertilization occurs, the fertilized eggs are now described as pre-embryos or zygotes. Sperm had to swim from male to female reproductive organs for zygotes to occur.


Question:
Sperm had to swim from male to female what for fertilization?
Options:
- (A) The flowers are pollinated
- (B) seed dispersal
- (C) that material's properties
- (D) produce offspring
- (E) Something coming from a gland
- (F) A compound that donates proton
- (G) metabolic reaction
- (H) Organs within the body.

Answer: (H)

Sperm had to swim from male to female reproductive organs for fertilization. Within the body are the stomach and reproductive organs. Sperm had to swim from male to female organs within the body for fertilization.


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: (B)

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.


Question:
What organelles that are found in the cells of mosses.
Options:
- (A) chloroplasts
- (B) epidermal
- (C) sensory neurons
- (D) an organism's body
- (E) more abundant
- (F) Epidermis
- (G) produce light
- (H) it needs them

Answer: (A)

Chloroplasts are organelles that are found in the cells of plants and algae. Mosses are nonvascular plants. Chloroplasts are organelles that are found in the cells of mosses.


Question:
What do animals do in the winter?
Options:
- (A) Release energy
- (B) running and lifting
- (C) it keeps an organism warm
- (D) adapt to warm weather
- (E) adapt to extreme heat
- (F) adapt to coolness
- (G) shed fur
- (H) by making heat

Answer: (F)

Animals adapt to cold temperatures. Temperatures are moderate in summer and COLD in winter. Animals adapt to the coolness in the winter.


Question:
What do animals try do in winter?
Options:
- (A) shed fur
- (B) expand
- (C) ligt
- (D) rest
- (E) adapt
- (F) use an adapter
- (G) survive
- (H) die

Answer: (E)

Animals adapt to cold temperatures. And in winter it s very cold. In winter animals can adapt.


Question:
Animals are _ things.
Options:
- (A) insects
- (B) invisible
- (C) edible
- (D) impossible
- (E) protected
- (F) sparkly
- (G) living
- (H) an object

Answer: (G)

Animals adapt to cold temperatures. Adaptation living things adapt to their environment. Animals are living things.


Question:
What organism can adapt to cold temperatures?
Options:
- (A) insects
- (B) a fish
- (C) sensory neurons
- (D) sweating
- (E) Sasquatches
- (F) peachleaf willow
- (G) athletes
- (H) protect them

Answer: (E)

Animals adapt to cold temperatures. Sasquatches are obviously Earth-type animals. Sasquatches adapt to cold temperatures.


Question:
What lacks walls and membranes?
Options:
- (A) deserts
- (B) flower cells
- (C) viruses
- (D) fungi
- (E) tree cells
- (F) bacteria
- (G) plant cells
- (H) alpacas

Answer: (C)

Viruses are not cells. Plant cells are surrounded by a cell membrane and a cell wall. Viruses do not have walls and membranes.


Question:
Are there organisms simpler than cells.
Options:
- (A) DNA
- (B) plankton
- (C) tiny
- (D) algae
- (E) amoeba
- (F) RNA
- (G) yes
- (H) food

Answer: (G)

Viruses are not cells. Viruses Viruses are the simplest organisms known. Cells are not the simplest organisms.


Question:
What is not a cell?
Options:
- (A) all matter
- (B) layers of fat
- (C) illness
- (D) bacteria
- (E) influenza
- (F) Leptospirosis
- (G) an object
- (H) hydrocarbons

Answer: (E)

Viruses are not cells. Influenza viruses mutate. Influenza is not a cell.


Question:
What is not made up of cells?
Options:
- (A) an object
- (B) Veins and arteries.
- (C) Tobacco mosaic
- (D) an organism's body
- (E) Conifers
- (F) sensory neurons
- (G) layers of fat
- (H) the digestive system

Answer: (C)

Viruses are not cells. Viruses include the Tobacco Mosaic Virus. Tobacco mosaic is not made up of cells.


Question:
Caffeine can cause
Options:
- (A) congestion
- (B) anemia
- (C) constipation
- (D) sweating
- (E) hives
- (F) energy usage
- (G) dehydration
- (H) heat energy

Answer: (G)

Caffeine is a central nervous system stimulant. Stimulants can cause overheating and dehydration. Caffeine can cause dehydration.


Question:
What is a central nervous system stimulant?
Options:
- (A) saccharose
- (B) barbiturates
- (C) cigarettes
- (D) sweating
- (E) muscle relaxants
- (F) A Greek letter
- (G) Decibels
- (H) valium

Answer: (A)

Caffeine is a central nervous system stimulant. Likewise, the caffeine and saccharose stimulate the body's stimulation of serotonin. Saccharose is a central nervous system stimulant.


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: (B)

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.


Question:
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

Answer: (E)

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.


Question:
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

Answer: (B)

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.


Question:
Which of the following sciences studies cells?
Options:
- (A) sensory neurons
- (B) Astronomy
- (C) epidermal
- (D) it needs them
- (E) Physiology
- (F) retina
- (G) Anatomy
- (H) Astrology

Answer: (E)

Cells are the basic units of the structure and function of living things. Physiology is the study of the function of living things. Physiology studies cells.


Question:
What do cells make up of organisms?
Options:
- (A) structure only
- (B) function only
- (C) structure and function
- (D) members of their own species
- (E) Something that is self-aware
- (F) share properties
- (G) desires and needs
- (H) Most plants

Answer: (C)

Cells are the basic units of the structure and function of living things. An organism is a living thing or something that was once alive. Cells are the basic units of the structure and function of organisms.


Question:
What is a type of the basic units of the structure and function of living things?
Options:
- (A) sensory neurons
- (B) osteogenic
- (C) animals
- (D) Chemical energy
- (E) Energy
- (F) trees
- (G) ferns
- (H) fur and fat

Answer: (B)

Cells are the basic units of the structure and function of living things. Osteogenic cell types are indicated. Osteogenic is a type of the basic units of the structure and function of living things.


Question:
Where is brca2 located?
Options:
- (A) retina
- (B) lungs
- (C) chromatic
- (D) the eyes
- (E) chromosome
- (F) chromography
- (G) chrome
- (H) sensory neurons

Answer: (E)

Chromosomes contain genes, which code for proteins. Another gene, named BRCA2, has also been identified. Chromosomes contain BRCA2.


Question:
Chromosomes contain genes, which code for
Options:
- (A) Most plants
- (B) Plants growth
- (C) body tissue
- (D) Animal survival
- (E) animals
- (F) Chemical energy
- (G) peachleaf willow
- (H) A Greek letter

Answer: (C)

Chromosomes contain genes, which code for proteins. Protein builds and repairs body tissue. Chromosomes contain genes, which code for body tissue.


Question:
Protein is made from:
Options:
- (A) Acids
- (B) DNA code
- (C) fur and fat
- (D) insects
- (E) animals
- (F) Energy.
- (G) Energy
- (H) food

Answer: (B)

Chromosomes contain genes, which code for proteins. Information on DNA is organized into genes. DNA codes for proteins.


Question:
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

Answer: (H)

Wetlands are extremely important biomes. Biomes are global ecosystems. Wetlands are extremely important ecosystems.


Question:
Wetlands are extremely important
Options:
- (A) water conservation
- (B) global ecosystems
- (C) Desert Ecosystem
- (D) Terrestrial ecosystems
- (E) important habitats
- (F) the environment
- (G) food and shelter
- (H) Forest Ecosystems

Answer: (B)

Wetlands are extremely important biomes. Biomes are global ecosystems. Wetlands are extremely important global ecosystems.


Question:
What are extremely important biomes?
Options:
- (A) important habitats
- (B) urban city
- (C) remains of prehistoric life
- (D) zoos
- (E) water conservation
- (F) Most plants
- (G) manmade aqueducts
- (H) marshes and swamps

Answer: (H)

Wetlands are extremely important biomes. Marshes and swamps are wetlands. Marshes and swamps are extremely important biomes.


Question:
Which living creatures can be found in wetlands?
Options:
- (A) Animals
- (B) ferns
- (C) ducks
- (D) Oceans
- (E) trees
- (F) Rivers
- (G) Lakes
- (H) crocodiles

Answer: (A)

Wetlands are extremely important biomes. Animals live on the vegetation found in the biomes. Animals can be found to be living in wetlands.


Question:
What are important biomes?
Options:
- (A) important habitats
- (B) fruits, vegetables and plants
- (C) retaining heat
- (D) stars, comets and planets
- (E) cats, dogs and humans
- (F) absorb light energy
- (G) marshes, bogs, and swamps
- (H) remains of prehistoric life

Answer: (G)

Wetlands are extremely important biomes. Palustrine wetlands include marshes, bogs, and swamps. Marshes, bogs and swamps are very important biomes.


Question:
Wetlands are extremely important:
Options:
- (A) environments
- (B) food and shelter
- (C) animals
- (D) Plants growth
- (E) water conservation
- (F) important habitats
- (G) homogenous
- (H) storing water

Answer: (A)

Wetlands are extremely important biomes. Biomes are simply environments that have some things in common. Wetlands are extremely important environments.


Question:
Eyes can detect images and see light using what?
Options:
- (A) vibrations
- (B) sight
- (C) lenses
- (D) sound
- (E) Energy.
- (F) Energy
- (G) touch
- (H) voltage

Answer: (B)

Sight is the ability to sense light, and the eye is the organ that senses light. Eyes detect light, organized into images that fall on the retina. Eyes can detect images and see light using sight.


Question:
What does the organ of the eye sense?
Options:
- (A) Gluons
- (B) Photons
- (C) Neutrons
- (D) Energy
- (E) heat
- (F) distance
- (G) sunlight
- (H) Sound waves

Answer: (B)

Sight is the ability to sense light, and the eye is the organ that senses light. Light is made of photons . The eye is an organ that can sense photons.


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: (D)

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.


Question:
What is the process of organized images falling on the retina?
Options:
- (A) slows
- (B) collage
- (C) a wave
- (D) motion
- (E) conjunction
- (F) photochemistry
- (G) Seesaw
- (H) sight

Answer: (H)

Sight is the ability to sense light, and the eye is the organ that senses light. Eyes detect light, organized into images that fall on the retina. Sight is the process of organized images falling on the retina.


Question:
Ozone depletion results in radiation levels that are highest when?
Options:
- (A) middle of the day
- (B) forest is destroyed
- (C) late evening
- (D) Under 32 degrees
- (E) middle of the night
- (F) Temperature changing
- (G) Plant growth is reduced
- (H) early morning

Answer: (A)

Ozone depletion results in higher levels of UV radiation reaching Earth. Solar UV radiation levels are highest during the middle of the day. Ozone depletion results in radiation levels that are highest during the middle of the day.


Question:
The depletion of what results in higher levels of uv radiation reaching earth?
Options:
- (A) O3
- (B) O2
- (C) oil
- (D) pan
- (E) h2o
- (F) CO2
- (G) DNA
- (H) DDT

Answer: (A)

Ozone depletion results in higher levels of UV radiation reaching Earth. Ozone is represented chemically as O3. O3 depletion results in higher levels of UV radiation reaching Earth.


Question:
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

Answer: (E)

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.


Question:
Flowing water from a mountain can dissolve carbon in what kind of rock?
Options:
- (A) magma
- (B) loose soil
- (C) loose dirt
- (D) precipitation
- (E) pumice
- (F) limestone
- (G) wind and rain
- (H) andesite

Answer: (F)

Flowing water can slowly dissolve carbon in sedimentary rock. Limestone is a type of sedimentary rock. Flowing water can slowly dissolve carbon in limestone.


Question:
Flowing water can slowly _ carbon in limestone.
Options:
- (A) alter
- (B) destroy
- (C) erode
- (D) allow growth
- (E) dissolve
- (F) heat
- (G) a solute
- (H) rain

Answer: (E)

Flowing water can slowly dissolve carbon in sedimentary rock. Limestone is an organic, sedimentary rock. Flowing water can slowly dissolve carbon in limestone.


Question:
What die quickly if a stroke occurs?
Options:
- (A) a fish
- (B) animals
- (C) brain cells
- (D) organs
- (E) critical organs
- (F) protons
- (G) neutrons
- (H) bones

Answer: (C)

Brain cells die quickly if their oxygen supply is cut off. If the oxygen supply to the brain is cut off, a stroke can occur. Brain cells die quickly if a stroke occurs.


Question:
What will die without a supply of blood?
Options:
- (A) plants
- (B) organs
- (C) brain cells
- (D) athletes
- (E) humans
- (F) species
- (G) critical organs
- (H) mushrooms

Answer: (C)

Brain cells die quickly if their oxygen supply is cut off. Here, the lungs supply the blood with oxygen. Brain cells die quickly if their blood supply is cut off.


Question:
What happens to brain cells when the air supply is cut off?
Options:
- (A) strangulation
- (B) breathe
- (C) lead poisoning
- (D) death
- (E) hippocampus
- (F) painful
- (G) loss
- (H) die

Answer: (D)

Brain cells die quickly if their oxygen supply is cut off. Air contains oxygen. Brain cells die quickly if their air supply is cut off.


Question:
Prokaryotes lack regions that do not code for proteins, while this type of living being has them:
Options:
- (A) bioaerosols
- (B) layers of fat
- (C) orchids
- (D) animals
- (E) critical organs
- (F) sensory neurons
- (G) eukaryotes
- (H) it needs them

Answer: (G)

Introns are regions that do not code for proteins. Prokaryotes lack introns, whereas eukaryotes contain introns. Prokaryotes lack regions that do not code for proteins, while eukaryotes do have them.


Question:
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

Answer: (D)

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.


Question:
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

Answer: (H)

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.


Question:
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

Answer: (G)

Characteristics that are encoded in DNA are called genetic traits. Intelligence is primarily a genetically inherited trait. Intelligence is primarily encoded in DNA.


Question:
How long can antibodies protect the body?
Options:
- (A) As long as antibodies survive
- (B) Slowing the transfer of heat
- (C) For a set time
- (D) by keeping them warm
- (E) it protects them
- (F) Into elderly years
- (G) As long as the human survives
- (H) A compound that donates proton

Answer: (A)

Passive immunity lasts only as long as the antibodies survive in body fluids. Antibodies are administered to the patient in a process called passive immunization. Antibodies are administered to patients for protection but it only helps as long as the antibodies survive in body fluids.


Question:
What does a pregnanct woman pass on to the fetus?
Options:
- (A) Leptospirosis
- (B) Energy.
- (C) antibodies
- (D) education
- (E) embryo
- (F) parasites
- (G) zygotes
- (H) fever

Answer: (C)

Passive immunity lasts only as long as the antibodies survive in body fluids. Immunization in a pregnant woman produces both active and passive immunity in the fetus. A pregnant woman will pass antibodies to the fetus.


Question:
What do muscle fibers need to do to enable movement?
Options:
- (A) Bend
- (B) strength
- (C) exercise
- (D) ligt
- (E) It expands
- (F) shorten
- (G) Vibrates
- (H) stay warm

Answer: (F)

Muscle contraction occurs when muscle fibers get shorter. Movement is based on the contraction of muscles. Movement happens when muscle fibers get shorter.


Question:
Phytoplankton have a clever way of making food from what?
Options:
- (A) sunlight energy
- (B) water energy
- (C) heat energy
- (D) heat produced
- (E) chemical energy
- (F) mechanical energy
- (G) organic matter
- (H) refraction of light

Answer: (A)

Phytoplankton are bacteria and algae that use sunlight to make food. Plants have a very clever way of using the energy from sunlight to make their food. Phytoplankton have a clever way of making food from sunlight energy.


Question:
Most _ feed on bacteria and algae that use sunlight to make food.
Options:
- (A) Energy
- (B) Lobsters
- (C) Most plants
- (D) Seaweed
- (E) Starfish
- (F) plant life
- (G) Copepods
- (H) energy usage

Answer: (G)

Phytoplankton are bacteria and algae that use sunlight to make food. Most copepods feed on phytoplankton. Most copepods feed on bacteria and algae that use sunlight to make food.


Question:
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

Answer: (E)

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.


Question:
What do phytoplankton and algae need in order to make energy?
Options:
- (A) water
- (B) glucose
- (C) food
- (D) sunlight
- (E) bacteria
- (F) Light
- (G) adding heat
- (H) The Sun

Answer: (D)

Phytoplankton are bacteria and algae that use sunlight to make food. Food gives energy. Phytoplankton and bacteria are algae that use sunlight to make energy.


Question:
Alternative instructions for a single protein are encoded on:
Options:
- (A) alleles
- (B) Acids
- (C) PDAs
- (D) nucleus
- (E) junk DNA
- (F) A computer
- (G) inheritance
- (H) Tail

Answer: (A)

Most genes contain the instructions for a single protein. Alleles are alternative forms of a gene. Alleles can contain instructions for making alternative versions of the same single protein.


Question:
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

Answer: (D)

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.


Question:
What do mutations do to dna?
Options:
- (A) It expands
- (B) Damages them
- (C) negative
- (D) Moisturize it.
- (E) Help it.
- (F) Destroy it.
- (G) It decreases
- (H) Change it.

Answer: (H)

Mutations may change the structure of a chromosome or just change a single nucleotide. DNA is made up of nucleotides. Mutations change DNA.


Question:
What is a potential outcome of genetic mutation?
Options:
- (A) HIV
- (B) albino
- (C) anemia
- (D) pizza eating turtles
- (E) genealogy
- (F) SNPs
- (G) biology
- (H) death

Answer: (F)

Mutations may change the structure of a chromosome or just change a single nucleotide. SNPs involve polymorphisms at the single nucleotide level. Mutations may change the structure of a chromosome or just cause SNPs.


Question:
Alterations in genetic information may change a chromosome's structure or one
Options:
- (A) nitrogen
- (B) harm them
- (C) Plants growth
- (D) Damages them
- (E) spectrum
- (F) nuclear waste
- (G) nucelotide
- (H) nitrate

Answer: (G)

Mutations may change the structure of a chromosome or just change a single nucleotide. Mutations are changes in genetic information. Alterations in genetic information may change the structure of a chromosome or just a single nucleotide.


Question:
Changing the structure of a chromosome can be what to an organsim?
Options:
- (A) massive damage
- (B) mechanical
- (C) beneficial
- (D) harm them
- (E) negative
- (F) dangerous
- (G) homogenous
- (H) Damages them

Answer: (C)

Mutations may change the structure of a chromosome or just change a single nucleotide. Most mutations are beneficial to the organism. Changing the structure of a chromosome can be beneficial to the organism.


Question:
Which process of gene abnormalities can mutations be detected?
Options:
- (A) A computer
- (B) ligt
- (C) analysis
- (D) radiation
- (E) electrically
- (F) negative
- (G) Microscope
- (H) illness

Answer: (C)

Mutations may change the structure of a chromosome or just change a single nucleotide. Chromosomal abnormalities can be examined by chromosome analysis. Mutations can be detected by analysis on gene abnormalities.


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

Answer: (D)

Animals can communicate with sounds, chemicals, or visual cues. Monkeys are wild animals. Monkeys communicate with sounds, chemicals or visual cues.


Question:
What are in the animal kindgom?
Options:
- (A) seeds
- (B) edible
- (C) parasites
- (D) bacteria
- (E) fungi
- (F) humans
- (G) people
- (H) bees

Answer: (F)

Animals are a kingdom of multicellular eukaryotes. Humans, of course, are an example of a multicellular eukaryote. Humans are, of course, in the animal kingdom.


Question:
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

Answer: (H)

Animals are a kingdom of multicellular eukaryotes. Invertebrates are the majority of the animal kingdom. The majority of multicellular eukaryotes are invertebrates.


Question:
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

Answer: (G)

Animals are a kingdom of multicellular eukaryotes. Invertebrates make up the majority of the animal Kingdome. Invertebrates make up the majority of multicellular eukaryotes.


Question:
What is needed from cells for phosphatases to keep the proper ph?
Options:
- (A) plasma
- (B) secretion of bases only
- (C) secretion of proteins
- (D) metabolic reaction
- (E) it helps plants in growing
- (F) Positive charges
- (G) Transfers energy
- (H) secretion of acids and bases

Answer: (H)

Cells secrete acids and bases to maintain the proper pH for enzymes to work. Phosphatases are enzymes that remove phosphates from other enzymes. Cells secrete acids and bases to keep the proper pH for phosphatases to work properly.


Question:
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

Answer: (H)

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.


Question:
A type of resting cell from what type of organism is often found in soil and water?
Options:
- (A) fungi
- (B) creature
- (C) organic thing
- (D) entity
- (E) bacteria
- (F) lmestone
- (G) Most plants
- (H) vegetation

Answer: (E)

Endospores are commonly found in soil and water. Endospore-forming bacteria produce a unique resting cell called an endospore . Bacterial resting cells are often found in soil and water.


Question:
What is the process by which organisms give rise to their young?
Options:
- (A) Summer
- (B) cell division
- (C) autumn
- (D) Plants growth
- (E) peachleaf willow
- (F) ejaculation
- (G) reproduction
- (H) mating rituals

Answer: (G)

Reproduction is the process by which organisms give rise to offspring. Fetus is Latin for offspring or young one. Reproduction is the process by which organisms give rise to their young.


Question:
How do organisms give rise to children?
Options:
- (A) mitosis
- (B) reproduction
- (C) reproductive isolation
- (D) Plants growth
- (E) it needs them
- (F) litter
- (G) by indirect light
- (H) replenishing

Answer: (B)

Reproduction is the process by which organisms give rise to offspring. Seed refers to offspring, children. Organisms give rise to children by reproduction.


Question:
Why does life continue?
Options:
- (A) to use resources
- (B) organisms produce offspring.
- (C) sub-units of species
- (D) things don't die
- (E) the Earth being tilted
- (F) production of energy
- (G) to keep going
- (H) by keeping them warm

Answer: (B)

Reproduction is the process by which organisms give rise to offspring. Life continues because of reproduction. Life continues because organisms give rise to offspring.


Question:
The next generation of an organism rises via:
Options:
- (A) Plants growth
- (B) spontaneous generation
- (C) reproduction
- (D) The Sun
- (E) revolution
- (F) sun's heat
- (G) heat energy
- (H) unions

Answer: (C)

Reproduction is the process by which organisms give rise to offspring. Then, the lowest energy offspring are used as parents for the next generation. Reproduction is the process by which organisms give rise to the next generation.


Question:
What can happen during the reproduction process?
Options:
- (A) tree falls
- (B) Mutations
- (C) Plants growth
- (D) movement
- (E) competition
- (F) adding heat
- (G) contamination
- (H) Dehydration

Answer: (B)

Reproduction is the process by which organisms give rise to offspring. Mutations are sources of variations in offspring. Mutations can occur during the reproduction process.


Question:
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

Answer: (D)

Insects may live in large colonies and have complex social behaviors. Insects have six legs. Creatures with six legs may live in large colonies.


Question:
Arthropods with what may live in large colonies and have complex social behaviors.
Options:
- (A) fur
- (B) gills
- (C) animals
- (D) complex
- (E) Wasps
- (F) vertebrae
- (G) Flowers
- (H) wings

Answer: (H)

Insects may live in large colonies and have complex social behaviors. Insects are the only arthropod to have wings. Arthropods with wings may live in large colonies and have complex social behaviors.


Question:
What kind of animal can live in large colonies and have complex behaviors?
Options:
- (A) arthropods
- (B) warm-blooded
- (C) birds
- (D) mammals
- (E) animals
- (F) honeybees
- (G) fur seals
- (H) fish

Answer: (A)

Insects may live in large colonies and have complex social behaviors. Insects are just part of the Arthropod subdivision. Arthropods may live in large colonies and have complex social behaviors.


Question:
What lives in large colonies?
Options:
- (A) koalas
- (B) swea
- (C) voles
- (D) bees
- (E) bats
- (F) Birds
- (G) cats
- (H) bears

Answer: (D)

Insects may live in large colonies and have complex social behaviors. Honey Bee Honey bees are insects that live in a hive and make honey. Bees live in large colonies and have complex social behaviors.


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: (A)

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.


Question:
What can vaccines do?
Options:
- (A) cause euphoria
- (B) major threat to health
- (C) it protects them
- (D) protect plants
- (E) Keep someone from disease
- (F) cause a disease
- (G) cause a vasectomy
- (H) rapid expansion

Answer: (E)

Immunity results from immunization. Immunization with vaccine is effective. The ability of an organism to not be susceptible to a certain disease can result from vaccines.


Question:
What usually results from getting shots?
Options:
- (A) heat produced
- (B) susceptibility to disease
- (C) limb amputation
- (D) a lot of human deaths
- (E) death and devastation
- (F) healing
- (G) resistance to disease
- (H) confusion

Answer: (G)

Immunity results from immunization. Immunization records with all required shots. Resistance to disease results from getting shots.


Question:
What does immunization cause?
Options:
- (A) amino acids
- (B) sweating
- (C) immunoglobulin deficiency
- (D) nutrition
- (E) resistance
- (F) recovery
- (G) fever
- (H) immunity

Answer: (H)

Immunity results from immunization. An effect is the result or outcome of some cause. Immunization causes immunity.


Question:
What is the microscopic building block of any living being?
Options:
- (A) trees
- (B) cell
- (C) oxygen
- (D) moss
- (E) molecule
- (F) plants
- (G) blood
- (H) life

Answer: (B)

Cells are the microscopic building blocks of organisms. Any living being is an organism. Cells are the microscopic building blocks of living beings.


Question:
Cells are what, so they are the building blocks of organisms?
Options:
- (A) Most plants
- (B) so small
- (C) all matter
- (D) homogenous
- (E) so deadly
- (F) so fortunate
- (G) so big
- (H) bacteria

Answer: (B)

Cells are the microscopic building blocks of organisms. Cells are so small that they can only be seen under a microscope. Cells are so small, they are the building blocks of organisms.


Question:
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

Answer: (F)

Cells are the microscopic building blocks of organisms. Plants and animals are organisms. Cells are the microscopic bulding blocks of plants and animals.


Question:
Organisms rely on a relatively narrow range of what?
Options:
- (A) Decibels
- (B) water
- (C) food
- (D) relativity
- (E) acidity
- (F) spectrum
- (G) balance
- (H) Light

Answer: (E)

All life relies on a relatively narrow range of pH, or acidity. All organisms have a life-span. Organisms rely on a relatively narrow range of acidity.


Question:
What happens to aquatic life if acidity is higher or lower than a narrow range?
Options:
- (A) Plant growth is reduced
- (B) They may not survive.
- (C) Aquatic life sinks
- (D) harm them
- (E) It is endangered
- (F) Damages them
- (G) Aquatic life moves to dry land
- (H) Aquatic life flourishes

Answer: (E)

All life relies on a relatively narrow range of pH, or acidity. If the pH level is higher or lower, aquatic life is endangered. Aquatic life is endangered if acidity is higher or lower than a narrow range.


Question:
What relies on a relatively narrow range of something you can measure with paper strips?
Options:
- (A) Length
- (B) voltage
- (C) all life
- (D) mammals
- (E) humans
- (F) Most plants
- (G) agriculture
- (H) animals

Answer: (C)

All life relies on a relatively narrow range of pH, or acidity. Acidity is measured with a pH meter or with pH paper strips. All life relies on a relatively narrow range of something you can measure with paper strips.


Question:
What process helps hormones travel throughout the body in the bloodstream?
Options:
- (A) hydration
- (B) mitosis
- (C) sleeping
- (D) sweating
- (E) oxygen
- (F) allow growth
- (G) eating
- (H) breathing

Answer: (H)

Endocrine hormones travel throughout the body in the blood. Breathing affects the flow of hormones through the endocrine system. Breathing allows hormones to travel throughout the body in the bloodstream.


Question:
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

Answer: (E)

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.


Question:
Endocrine hormones travel through the what in something that runs like water?
Options:
- (A) body
- (B) muscle
- (C) state
- (D) a path
- (E) ligt
- (F) a fish
- (G) liquid
- (H) CO 2

Answer: (A)

Endocrine hormones travel throughout the body in the blood. And blood, blood runs like water. Endocrine hormones travel through the body in something that runs like water.


Question:
Genes can be what on something wonderful?
Options:
- (A) singing
- (B) ligt
- (C) vacationing
- (D) exploded
- (E) fertile
- (F) good
- (G) positive
- (H) located

Answer: (H)

Genes that are located on the same chromosome are called linked genes. Chromosomes and Chromosome Links Chromosomes are wonderful. Genes can be located on something wonderful.


Question:
What are the units of basic information on chromosomes?
Options:
- (A) colors
- (B) heriditary
- (C) sensory neurons
- (D) Most plants
- (E) Joules
- (F) pollen
- (G) A Greek letter
- (H) photons

Answer: (B)

Genes that are located on the same chromosome are called linked genes. Gene A gene is the basic unit of heriditary information. Chromosomes contain the basic units of heriditary information.


Question:
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

Answer: (E)

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.


Question:
What are genes that are located on the same molecules of dna complexed with proteins called?
Options:
- (A) bioaerosols
- (B) solid, liquid, gas
- (C) interact
- (D) sensory neurons
- (E) organs
- (F) deltas
- (G) more abundant
- (H) linked genes

Answer: (H)

Genes that are located on the same chromosome are called linked genes. Chromosomes are molecules of DNA complexed with proteins. Genes that are located on the same molecules of DNA complexed with proteins. are called linked genes.


Question:
What happens to genes located on the same chromosome
Options:
- (A) metabolic reaction
- (B) production of energy
- (C) produce offspring
- (D) female sex cells
- (E) The flowers are pollinated
- (F) They are inherited together
- (G) Earth orbiting the Sun
- (H) a hemisphere is tilted away from the sun

Answer: (F)

Genes that are located on the same chromosome are called linked genes. Linked genes are inherited together. Genes that are located on the same chromosome are inherited together.


Question:
Carbon in organic compounds are passed through the food web from what?
Options:
- (A) it helps plants in growing
- (B) Burning fuel and air
- (C) members of their own species
- (D) people to dogs
- (E) herbivores to carnivores
- (F) carnivores to plants
- (G) passenger pigeons
- (H) predators to prey

Answer: (E)

Energy is passed up a food chain or web from lower to higher trophic levels. Energy and carbon in organic compounds passed through food chain to herbivores and carnivores. Carbon in organic compounds are passed through the food web from herbivores to carnivores.


Question:
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

Answer: (F)

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.


Question:
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.

Answer: (H)

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.


Question:
At what trophic level is a plant?
Options:
- (A) lower trophic level
- (B) higher trophic level
- (C) the body's largest organ
- (D) vegetation
- (E) Something that is self-aware
- (F) it needs them
- (G) middle trophic level
- (H) highest trophic level

Answer: (A)

Energy is passed up a food chain or web from lower to higher trophic levels. Plants are always at the bottom of the food chain or web. When consumed, energy is passed up from plants from lower to higher trophic levels.


Question:
What breaks up into two lighter elements when an animal divides into two parts?
Options:
- (A) the blood cells
- (B) the heart
- (C) Energy.
- (D) the main element
- (E) heat energy
- (F) light energy
- (G) the nucleus
- (H) sensory neurons

Answer: (G)

Fission takes place when an animal divides into two parts. If the nucleus breaks up into lighter elements, it is called fission . The nucleus breaks up into lighter elements when an animal divides into two parts.


Question:
What is it called when an animal divides into two parts?
Options:
- (A) limb amputation
- (B) The bending of a ray of light
- (C) Veins and arteries.
- (D) epidermis and dermis
- (E) the body's largest organ
- (F) Leptospirosis
- (G) refraction of light
- (H) asexual reproduction

Answer: (H)

Fission takes place when an animal divides into two parts. Asexual reproduction is by fragmentation, budding, or fission. Asexual reproduction is when an animal divides into two parts.


Question:
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

Answer: (G)

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.


Question:
_ is how organisms grow and repair themselves.
Options:
- (A) respiration
- (B) hormone secretion
- (C) potatoes
- (D) Mitosis
- (E) complex
- (F) gene regulation
- (G) properties
- (H) recycling

Answer: (D)

Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grow and repair themselves.


Question:
_ is how organisms grow and repair themselves.
Options:
- (A) complex
- (B) recycling
- (C) properties
- (D) fusion
- (E) fission
- (F) bacteria
- (G) Mitosis
- (H) potatoes

Answer: (G)

Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grown and repair themselves.


Question:
How are organisms able to grow and repair their cells?
Options:
- (A) hospitalization
- (B) orchids
- (C) cell care
- (D) fungi
- (E) growth cells
- (F) mitosis
- (G) recovery
- (H) recycling

Answer: (F)

Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grow and repair themselves.


Question:
How do cells grow and repair themselves?
Options:
- (A) mitosis
- (B) alveoli
- (C) retina
- (D) rest
- (E) recovery
- (F) exercise
- (G) ligt
- (H) mechanical

Answer: (A)

Cell division is how organisms grow and repair themselves. Mitosis is cell division. Organisms grow and repair themselves through mitosis.


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: (H)

Viruses often infect bacteria. Bacteria are normally classified as either 'good' bacteria or 'bad' bacteria. Viruses can infect good and bad types.


Question:
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

Answer: (H)

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.


Question:
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

Answer: (H)

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.


Question:
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

Answer: (C)

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.


Question:
What does the fishhook cactus release during the day but not during the night.
Options:
- (A) heat
- (B) Air
- (C) water
- (D) carbon monoxide
- (E) carbon dioxide
- (F) oxygen
- (G) Energy.
- (H) Energy

Answer: (F)

Plants release oxygen during the day but not during the night. Another kind of plant is the fishhook cactus. The fishhook cactus releases oxygen during the day but not during the night.


Question:
What uses semiochemicals in urine to mark territory?
Options:
- (A) koalas
- (B) bacteria
- (C) humans
- (D) dogs
- (E) bears
- (F) cats
- (G) the Sun
- (H) rabbit

Answer: (D)

Male dogs use pheromones in urine to mark their territory. Pheromones are a sub-category of semiochemicals. Male dogs use semiochemicals in urine to mark their territory.


Question:
What does the substance that male dogs have in urine to mark their territory do?
Options:
- (A) sweating
- (B) attract females
- (C) Release energy
- (D) repels females
- (E) attract enemies
- (F) attract males
- (G) adding heat
- (H) dangerous

Answer: (B)

Male dogs use pheromones in urine to mark their territory. Males produce 'pheromones' to attract females. Male dogs use something that attracts females in urine to mark their territory.


Question:
What do dogs use to mark their territory?
Options:
- (A) water
- (B) Chemicals
- (C) layers of fat
- (D) food
- (E) Animal fur
- (F) heat energy
- (G) Scratches
- (H) heat produced

Answer: (B)

Male dogs use pheromones in urine to mark their territory. Pheromones are a sub-category of semiochemicals. Male dogs use chemicals to mark their territory.


Question:
What do male dogs use in urine to mark their territory?
Options:
- (A) Natural aphrodisiacs
- (B) competing for resources
- (C) Tails
- (D) Urine cleaner
- (E) Something coming from a gland
- (F) Chemical energy
- (G) an area swollen with pus
- (H) Chew toys

Answer: (A)

Male dogs use pheromones in urine to mark their territory. Pheromones are natural aphrodisiacs. Male dogs use natural aphrodisiacs in urine to mark their territory.


Question:
How do male dogs mark their territory?
Options:
- (A) Chemical energy
- (B) Hot dog eating contest
- (C) Adequate signage
- (D) with their fur
- (E) Scent marker
- (F) heat produced
- (G) mate with females
- (H) Paint

Answer: (E)

Male dogs use pheromones in urine to mark their territory. During Urination Dog's urine is used as a scent marker for other dogs. Male dogs mark their territory with a scent marker.


Question:
Male dogs use_ in urine to mark their territory.
Options:
- (A) ammonia
- (B) Chemical energy
- (C) proteins
- (D) semiochemicals
- (E) animals
- (F) heat produced
- (G) nitric oxide
- (H) They have thick fur

Answer: (D)

Male dogs use pheromones in urine to mark their territory. Pheromones are a sub-category of semiochemicals. Male dogs use semiochemicals in urine to mark their territory.


Question:
Male dogs use what in their urine to mark their territory?
Options:
- (A) hydrocarbons
- (B) volatile substances
- (C) kinetic energy
- (D) an area swollen with pus
- (E) Chemical energy
- (F) competing for resources
- (G) add a solute
- (H) Positive charges

Answer: (B)

Male dogs use pheromones in urine to mark their territory. Generally, pheromones are volatile substances. Male dogs use volatile substances in urine to mark their territory.


Question:
Splitting into what is the final stage of cell division in eukaryotes as well as prokaryotes?
Options:
- (A) fewer cells
- (B) merged cells
- (C) two cells
- (D) Chlorophyll
- (E) five cells
- (F) autumn
- (G) allow growth
- (H) Leptospirosis

Answer: (C)

Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. During cytokinesis , the cell body splits into two cells. Splitting into two cells is the final stage of cell division in eukaryotes as well as prokaryotes.


Question:
Cytokinesis is the final stage of cell division in what items?
Options:
- (A) infected
- (B) insects
- (C) animals
- (D) Plants.
- (E) fungi
- (F) plants
- (G) food
- (H) parasites

Answer: (D)

Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. All plants are eukaryotes. Cytokinesis is the final stage of cell division in plants.


Question:
Conventional myosin is required for the final stage of what?
Options:
- (A) Energy.
- (B) sweating
- (C) cell division
- (D) flow of electrons
- (E) Plants growth
- (F) Dehydration
- (G) movement
- (H) rapid expansion

Answer: (C)

Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. Conventional myosin is required for cytokinesis . Conventional myosin is required for the final stage of cell division.


Question:
What comes from eggs?
Options:
- (A) pancakes
- (B) dogs
- (C) seeds
- (D) Allergies
- (E) snails
- (F) cats
- (G) pollen
- (H) sound

Answer: (E)

Mollusks are invertebrates such as the common snail. All mollusks come from eggs. The common snail comes from eggs.


Question:
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

Answer: (F)

Mollusks are invertebrates such as the common snail. Mollusks are bilateraly symetrical and are protostomes. The common snail is bilaterally symmetrical and a protostome.


Question:
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

Answer: (H)

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.


Question:
What do mollusks have?
Options:
- (A) aerobic capacity
- (B) Energy
- (C) gastropod shells
- (D) Chemical energy
- (E) a cuticle
- (F) kinetic energy
- (G) soft bodies
- (H) alveoli

Answer: (G)

Mollusks are invertebrates such as the common snail. Mollusks are soft-bodied invertebrates. Mollusks, like the snail, are soft-bodied.


Question:
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

Answer: (B)

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.


Question:
What feature allows frogs to absorb substances from the environment?
Options:
- (A) four limbs
- (B) poison dart frog
- (C) hydrate their cells
- (D) permeable skin
- (E) layers of fat
- (F) a cuticle
- (G) predators
- (H) double eyelid

Answer: (D)

Amphibians have permeable skin that easily absorbs substances from the environment. All frogs are amphibians. Frogs have permeable skin that easily absorbs substances from the environment.


Question:
What has permeable skin?
Options:
- (A) goats
- (B) alligators
- (C) animals
- (D) apples
- (E) frogs
- (F) sharks
- (G) humans
- (H) snakes

Answer: (E)

Amphibians have permeable skin that easily absorbs substances from the environment. All frogs are amphibians. Frogs have permeable skin that easily absorb substances in the environment.


Question:
The cells that produce antibodies are key in what system?
Options:
- (A) health
- (B) T cells
- (C) vision
- (D) humans
- (E) macrophages
- (F) B cells
- (G) disease
- (H) immune

Answer: (H)

Lymphocytes are the key cells involved in the immune response. B lymphocytes produce antibodies . The key cells involved in the immune response produce antibodies.


Question:
What are the key cells in an allergy attack?
Options:
- (A) layers of fat
- (B) Lymphocytes.
- (C) fur and fat
- (D) bone cells
- (E) muscle cells
- (F) the skin
- (G) Red blood cells
- (H) animals

Answer: (B)

Lymphocytes are the key cells involved in the immune response. An allergy attack is an immunal response. Lymphocytes are the key cells involved in an allergy attack.


Question:
What response are antibodies involved in?
Options:
- (A) resistance activities
- (B) the pituitary response
- (C) major threat to health
- (D) antigens summoning them
- (E) Leptospirosis
- (F) being taken as a supplement
- (G) resistance
- (H) the immune response

Answer: (H)

Lymphocytes are the key cells involved in the immune response. Antibodies are synthesised by lymphocytes. Antibodies are involved in the immune response.


Question:
What shows evolution over geologic time above the level of the species?
Options:
- (A) speciation events
- (B) Leptospirosis
- (C) cliffs
- (D) rapid expansion
- (E) peachleaf willow
- (F) swamp vegetation
- (G) Darwin
- (H) RNA

Answer: (A)

Macroevolution is evolution over geologic time above the level of the species. Speciation events are thus examples of macroevolution. Speciation events show evolution over geologic time above the level of the species.


Question:
What type of evolution is very, very slow above the level of the species?
Options:
- (A) forest is destroyed
- (B) macroevolution
- (C) animals
- (D) parallel evolution
- (E) mechanical
- (F) Continents drifting
- (G) divergent evolution
- (H) microevolution

Answer: (B)

Macroevolution is evolution over geologic time above the level of the species. And geologic time is very, very slow. Macroevolution is very, very slow evolution above the level of the species.


Question:
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

Answer: (D)

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.


Question:
When does macroevolution over eras occur?
Options:
- (A) relocation
- (B) colder and wetter
- (C) in a few years
- (D) permineralization
- (E) over eras of time
- (F) within a lifetime
- (G) Continents drifting
- (H) in minutes

Answer: (E)

Macroevolution is evolution over geologic time above the level of the species. Geologists break time down into geologic time units called eras . Macroevolution is evolution over eras above the level of the species.


Question:
What occurs over geologic time above the level of the species.
Options:
- (A) Warm air moving into cold air
- (B) wind and erosion
- (C) remains of prehistoric life
- (D) tectonic plates being pushed together
- (E) Something with a head, thorax, and abdomen
- (F) The area was once underwater
- (G) Species changing to another.
- (H) movement of tectonic plates

Answer: (G)

Macroevolution is evolution over geologic time above the level of the species. Macroevolution is said to be the change from one species to another. Change from one species to another is evolution over geologic time above the level of the species.


Question:
What is the evolution over a geologic time in a specific kind of organism called?
Options:
- (A) solid, liquid, gas
- (B) peachleaf willow
- (C) Plants growth
- (D) macroevolution
- (E) barnacles
- (F) permineralization
- (G) animals
- (H) graptolites

Answer: (D)

Macroevolution is evolution over geologic time above the level of the species. Species are the different kinds of organisms. Macroevolution is evolution over geologic time above the level of the kind of organism.


Question:
Most ecosystems get energy from what in the atmosphere?
Options:
- (A) fires
- (B) Sun
- (C) wind
- (D) summer
- (E) oxygen
- (F) Light
- (G) heat
- (H) H20

Answer: (G)

Most ecosystems get energy from sunlight. On Earth, energy from sunlight heats the atmosphere more at the equator than at the poles. Most ecosystems get energy from heat in the atmosphere.


Question:
Living things interacting get energy from what?
Options:
- (A) Light
- (B) flares
- (C) water
- (D) The Sun
- (E) wind
- (F) glucose
- (G) sunlight
- (H) food

Answer: (G)

Most ecosystems get energy from sunlight. Life Living things interact in ecosystems. Living things interacting get energy from sunlight.


Question:
Most ecosystems need what?
Options:
- (A) invasive species
- (B) water
- (C) insects
- (D) food
- (E) tornadoes
- (F) recycling
- (G) plants
- (H) scientists

Answer: (G)

Most ecosystems get energy from sunlight. Sunlight is turned into energy by plants. Most ecosystems need plants.


Question:
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

Answer: (D)

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.


Question:
Evolution is a change in the genetic traits of living things over what?
Options:
- (A) universes
- (B) HIV
- (C) long
- (D) extinct organisms
- (E) dead things
- (F) time
- (G) H 2 O
- (H) years

Answer: (F)

Evolution is a change in the characteristics of living things over time. Almost all physical characteristics are genetic traits, inherited from parents. Evolution is a change in the genetic traits of living things over time.


Question:
What is the speed of the change in the characteristics of living things over time?
Options:
- (A) Jet speed.
- (B) Speed of light.
- (C) long
- (D) Slow.
- (E) Mach speeds.
- (F) slows
- (G) speed
- (H) years

Answer: (D)

Evolution is a change in the characteristics of living things over time. Biological evolution is slow, while corporate evolution is fast. The change in the characteristics of living things over time is slow.


Question:
The evolution of animal genetic resources can be impacted by:
Options:
- (A) extinction
- (B) Mars
- (C) competition
- (D) Darwin
- (E) agriculture
- (F) behavior
- (G) environment
- (H) Galapagos Islands

Answer: (F)

Behaviors that improve fitness increase through natural selection. Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources. Behaviors can improve the evolution of animal genetic resources.


Question:
What is one of the facets of an organism's evolution?
Options:
- (A) resistance
- (B) fitness
- (C) properties
- (D) thirst
- (E) movement
- (F) swimming
- (G) offspring
- (H) recycling

Answer: (B)

Behaviors that improve fitness increase through natural selection. Many organism behaviors have evolved through natural selection. An organism's fitness is a result of evolution.


Question:
Damaged dna might benefit from:
Options:
- (A) resistance
- (B) cellular repair
- (C) mutagens
- (D) UV rays
- (E) recovery
- (F) radiation
- (G) Electrical energy
- (H) flow of electrons

Answer: (B)

Cells have multiple repair mechanisms to fix mutations in DNA. And if the damaged DNA is duplicated, it causes mutation. Cells have multiple repair mechanisms to fix damaged DNA.


Question:
Cells have multiple repair mechanisms to fix mutations in what?
Options:
- (A) Veins and arteries.
- (B) Most plants
- (C) the body's largest organ
- (D) members of their own species
- (E) wavelengths and photons
- (F) epidermis and dermis
- (G) deoxyribonucleic acid
- (H) peachleaf willow

Answer: (G)

Cells have multiple repair mechanisms to fix mutations in DNA. DNA DNA is deoxyribonucleic acid. Cells have multiple repair mechanisms to fix mutations in deoxyribonucleic acid.


Question:
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

Answer: (B)

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.


Question:
What is considered to be nonliving?
Options:
- (A) illness
- (B) Staphylococcus
- (C) cigarettes
- (D) Influenza
- (E) Leptospirosis
- (F) bacteria
- (G) E. coli
- (H) Streptococcus

Answer: (D)

Viruses are usually considered to be nonliving. Influenza Virus Inluenza virus are negative-strand RNA viruses with a segmented genome. Influenza is considered to be nonliving.


Question:
Atoms make up many things, like what?
Options:
- (A) glass
- (B) matter
- (C) A computer
- (D) Fuel cells
- (E) copper
- (F) viruses
- (G) Light
- (H) Energy

Answer: (F)

Viruses are usually considered to be nonliving. All matter, living and nonliving, is made up of atoms. Viruses are made up of atoms.


Question:
A platypus is an example of _.
Options:
- (A) Marsupial.
- (B) Monotremes.
- (C) insects
- (D) animals
- (E) killing insects
- (F) Amphibian.
- (G) Placental mammal.
- (H) matter vibrating

Answer: (B)

Monotremes are mammals that reproduce by laying eggs. Well, platypuses are mammals, and they lay eggs. Platypuses are monotremes.


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: (F)

Monotremes are mammals that reproduce by laying eggs. Examples of monotremes are the Platypus and Echidna. Echidnas reproduce by laying eggs.


Question:
A duckbill platypus is a mammal that reproduces how?
Options:
- (A) asexually
- (B) during the day
- (C) by cloning
- (D) spread flower seeds
- (E) They have thick fur
- (F) by laying eggs
- (G) with their fur
- (H) swans

Answer: (F)

Monotremes are mammals that reproduce by laying eggs. Monotremes include the duckbill platypus. Duckbill platypus are mammals that reproduce by laying eggs.


Question:
Female monotremes reproduce by laying eggs and have no what?
Options:
- (A) alveoli
- (B) fusion
- (C) embryos
- (D) teats
- (E) rings
- (F) pollen
- (G) food
- (H) eyes

Answer: (D)

Monotremes are mammals that reproduce by laying eggs. Unlike most mammals, female monotremes have no teats. Female monotremes reproduce by laying eggs and have no teats.


Question:
What causes cell walls to relax?
Options:
- (A) exercise
- (B) sweating
- (C) adding heat
- (D) Energy
- (E) dilation
- (F) heat or cold
- (G) heat
- (H) Dehydration

Answer: (E)

Dilation occurs when cell walls relax. When oxygen level decreases, dilatation of the blood vessels occurs. Decreased oxygen levels cause blood vessels to dilate and cell walls to relax.


Question:
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

Answer: (F)

Dilation occurs when cell walls relax. Relaxation promotes relaxation and easing of tension. Dilation occurs when the tension of cell walls are eased.


Question:
What happens when cell walls relax?
Options:
- (A) evaporation
- (B) permineralization
- (C) preventing heat transfer
- (D) allow growth
- (E) it keeps an organism warm
- (F) air cools
- (G) Cell walls expand
- (H) heat produced

Answer: (G)

Dilation occurs when cell walls relax. Blood flow is improved by vitamin E and it causes blood vessels to dilate or expand. When cell walls relax, they expand.


Question:
What relaxes, thereby causing aneurysms?
Options:
- (A) layers of fat
- (B) Veins and arteries.
- (C) sweating
- (D) matter vibrating
- (E) blood vessels
- (F) the skin
- (G) Chemical energy
- (H) sensory neurons

Answer: (E)

Dilation occurs when cell walls relax. An aneurysm is a dilation of a blood vessel. Aneurysms are caused by relaxation of cell walls of blood vessels.


Question:
What happens before the rigid structure that surrounds the plant cell dilates?
Options:
- (A) It decreases
- (B) competition
- (C) air cools
- (D) relaxation
- (E) cracking
- (F) sweating
- (G) rapid expansion
- (H) It expands

Answer: (D)

Dilation occurs when cell walls relax. Cell wall is the rigid structure that surrounds the plant cell. Dilation occurs when the rigid structure that surrounds the plant cell relaxes.


Question:
What occurs when cell walls ease up?
Options:
- (A) root growth
- (B) air cools
- (C) dilation
- (D) sweating
- (E) Dehydration
- (F) recovery
- (G) Exfoliation
- (H) less water

Answer: (C)

Dilation occurs when cell walls relax. Slowly leg muscles ease up and shoulders relax. Dilation occurs when cell walls ease up.


Question:
Dilation occurs when part of a cell that a what does not have relaxes.
Options:
- (A) breathing
- (B) organ
- (C) the eyes
- (D) abrasion
- (E) complex
- (F) animal
- (G) nerves
- (H) retina

Answer: (F)

Dilation occurs when cell walls relax. Animals have no cell walls. Dilation occurs when part of a cell that an animal does not have relaxes.


Question:
Some crustaceans feed on
Options:
- (A) phytoplankton
- (B) fungi
- (C) refraction of light
- (D) heat energy
- (E) an organism's body
- (F) carbon
- (G) algae
- (H) salt and water.

Answer: (A)

Zooplankton are tiny animals that feed on phytoplankton. Many zooplankton are crustaceans. Some crustaceans feed on phytoplankton.


Question:
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

Answer: (F)

Zooplankton are tiny animals that feed on phytoplankton. Diatoms are the predominant phytoplankton. Zooplankton are tiny animals that feed on diatoms.


Question:
What do things that cannot make their own food need as a nutrient?
Options:
- (A) Energy
- (B) metal
- (C) animals
- (D) mud
- (E) Energy.
- (F) protein
- (G) prototype
- (H) fungi

Answer: (F)

Heterotrophs are living things that cannot make their own food. Proteins are an essential nutrient for heterotrophs . Living things that can't make their own food need protein.


Question:
What obtain their food from plants and cannot make their own food?
Options:
- (A) bacteria
- (B) Flowers
- (C) trees
- (D) lichen
- (E) animals
- (F) fungi
- (G) humans
- (H) grass

Answer: (E)

Heterotrophs are living things that cannot make their own food. All animals are heterotrophic and obtain their food from plants. Animals obtain their food from plants and cannot make their own food.


Question:
What is one thing fish cannot make?
Options:
- (A) babies
- (B) nests
- (C) matter
- (D) fat
- (E) edible
- (F) Energy
- (G) bubbles
- (H) food

Answer: (H)

Heterotrophs are living things that cannot make their own food. All fish are heterotrophic. Fish cannot make their own food.


Question:
Most plants have what that that go down into the soil to soak up water and minerals?
Options:
- (A) chemicals
- (B) alveoli
- (C) sodium
- (D) nails
- (E) feet
- (F) anchors
- (G) toes
- (H) an ion

Answer: (F)

Most plants grow roots down into the soil to absorb water and minerals. Anchors plants, absorbs water and minerals. Most plants have anchors that go down into the soil to soak up water and minerals.


Question:
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

Answer: (A)

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.


Question:
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

Answer: (C)

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.


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: (F)

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.


Question:
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

Answer: (D)

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.


Question:
What does the human immunodeficiency virus destroy?
Options:
- (A) B cells
- (B) bacteria
- (C) helper T cells
- (D) animals
- (E) epidermis and dermis
- (F) critical organs
- (G) an organism's body
- (H) cancer cells

Answer: (C)

HIV infects and destroys helper T cells. HIV, the human immunodeficiency virus, is a retrovirus. The human immunodeficiency virus infects and detroys helper T cells.


Question:
What does hiv damage?
Options:
- (A) Leptospirosis
- (B) immunities
- (C) Our immune system
- (D) immunizations
- (E) Veins and arteries.
- (F) respiratory system
- (G) Plant reproduction
- (H) the body's largest organ

Answer: (C)

HIV infects and destroys helper T cells. Helper T cells are the critical link in our immune system. HIV damages our immune system.


Question:
What infects and destroys helper t cells?
Options:
- (A) swea
- (B) Wasps
- (C) AIDS
- (D) CO 2
- (E) PDAs
- (F) humans
- (G) heat
- (H) anemia

Answer: (C)

HIV infects and destroys helper T cells. Scientists agree that HIV causes Aids. AIDS infects and destroys helper T cells.


Question:
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

Answer: (D)

DNA contains genetic instructions for proteins, and RNA helps assemble the proteins. Genetic memory is inherited. DNA contains inherited instructions for proteins.


Question:
What detects hybrids of the substance that helps assemble proteins?
Options:
- (A) orchids
- (B) sensory neurons
- (C) peachleaf willow
- (D) luminometer
- (E) A computer
- (F) animals
- (G) A Greek letter
- (H) scattered light

Answer: (D)

DNA contains genetic instructions for proteins, and RNA helps assemble the proteins. RNA hybrids are then detected by a luminometer. A luminometer detects hybrids of the substance that helps assemble proteins.


Question:
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

Answer: (C)

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.


Question:
Something specialized to detect a stimulus is found mainly where?
Options:
- (A) fields
- (B) humans
- (C) bushes
- (D) bats
- (E) a path
- (F) skin
- (G) retina
- (H) Birds

Answer: (F)

Pressure receptors are found mainly in the skin. Sensory Receptors A receptor is any structure specialized to detect a stimulus. Something specialized to detect a stimulus is found mainly in the skin.


Question:
_ 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

Answer: (F)

Pressure receptors are found mainly in the skin. Pacinian corpuscles are pressure receptors. Pacinian corpuscles are found mainly in the skin.


Question:
Pacinian corpuscles are found mainly in the _.
Options:
- (A) tumor
- (B) pupils
- (C) muscle
- (D) hair
- (E) skin
- (F) Man
- (G) retina
- (H) Summer

Answer: (E)

Pressure receptors are found mainly in the skin. Pacinian corpuscles are pressure receptors. Pacinian corpuscles are found mainly in the skin.


Question:
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

Answer: (G)

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.


Question:
How are plant cells around the vascular tissue created?
Options:
- (A) meiosis
- (B) metastasis
- (C) haleotosis
- (D) vegetation
- (E) shrub beds
- (F) made
- (G) homogenous
- (H) mitosis

Answer: (H)

Secondary meristem is located within and around the vascular tissues. Plant cell types rise by mitosis from a meristem . Plant cells around the vascular tissues are created by mitosis.


Question:
Leaves lack what?
Options:
- (A) heat energy
- (B) heat or cold
- (C) permineralization
- (D) scattered light
- (E) secondary meristem
- (F) Plant growth is reduced
- (G) Chlorophyll
- (H) epidermis and dermis

Answer: (E)

Secondary meristem is located within and around the vascular tissues. Leaves lack Vascular Tissues. Leaves lack secondary meristem.


Question:
The group of bipedal dinosaurs that included dromaeosaurs eventually evolved into:
Options:
- (A) insects
- (B) animals
- (C) mammals
- (D) running
- (E) Man
- (F) alpacas
- (G) genus
- (H) birds

Answer: (H)

Birds evolved from a group of bipedal dinosaurs called theropods. Dromaeosaurs are part of the theropod group of dinosaurs. Birds evolved from a group of bipedal dinosaurs that included Dromaeosaurs.


Question:
Mushrooms are nonphotosynthetic and cannot what?
Options:
- (A) reproduce
- (B) make food to grow
- (C) be seasoned
- (D) Chemical energy
- (E) Change colors
- (F) refract or absorb.
- (G) be eaten
- (H) be absorbed

Answer: (B)

Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can. Like a mushroom, it lacks chlorophyll and is nonphotosynthetic. Mushrooms are nonphotosynthetic and cannot make food to grow.


Question:
How do fungi get nutrition?
Options:
- (A) Exfoliation
- (B) agriculture
- (C) heat produced
- (D) Cooking
- (E) absorb it
- (F) Energy
- (G) Evaporation
- (H) glucose

Answer: (E)

Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can. Fungi are multicellular organisms that absorb their food molecule by molecule. Fungi lack chlorophyll, so they must absorb nutrition molecule by molecule.


Question:
What do fungi lack that make them unable to make food as producers can?
Options:
- (A) scattered light
- (B) chlorophyll
- (C) Energy.
- (D) sunlight
- (E) Energy
- (F) acetic acid
- (G) Chemical energy
- (H) energy usage

Answer: (B)

Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can. If the plant is green, it is a producer. Fungi lack chlorophyll, so they cannot make food by photosynthesis as producers can.


Question:
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

Answer: (E)

Migrants typically travel long distances. Barn swallows are Neotropical migrants. Barn swallows travel long distances.


Question:
What do migrants usually do?
Options:
- (A) move to different locations
- (B) animal transport
- (C) they will move to another area
- (D) spread flower seeds
- (E) dwell in a city
- (F) travel to a far away place
- (G) become their country president
- (H) dwell on a farm

Answer: (F)

Migrants typically travel long distances. Distance Finder Find the distance between two places. Migrants usually travel between two places fa away from each other.


Question:
What typically travel long distances?
Options:
- (A) slugs
- (B) snails
- (C) home bodies
- (D) manatees
- (E) supersonic
- (F) trains
- (G) humans
- (H) Cars

Answer: (D)

Migrants typically travel long distances. Manatees are a migrant species. Manatees typically travel long distances.


Question:
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

Answer: (C)

Migrants typically travel long distances. Whales travel long distances each day. While migrants would typically do so, whales can travel longer each day.


Question:
What are a source of food for many fish species?
Options:
- (A) layers of fat
- (B) bird species
- (C) human species
- (D) keystone species
- (E) Organic compounds
- (F) barnacles
- (G) gastropod shells
- (H) species of deer

Answer: (D)

Sponges are a source of food for many species of fish. Sponges are also keystone species. Keystone species are a source of food for many fish species.


Question:
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

Answer: (C)

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.


Question:
What can be a source of food for many species of fish?
Options:
- (A) Fully cooking the oysters
- (B) Organic compounds
- (C) beef
- (D) fishing poles
- (E) sessile organisms
- (F) barnacles
- (G) grass
- (H) gastropod shells

Answer: (E)

Sponges are a source of food for many species of fish. Most sponges are sessile. Sessile organisms can be a source of food for many species of fish.


Question:
Oncogenes promote the division of cells using the damaged form of what?
Options:
- (A) deoxyribonucleic acid
- (B) oncogenes
- (C) proteins
- (D) Chemical energy
- (E) epidermis and dermis
- (F) the body's largest organ
- (G) Veins and arteries.
- (H) healthy cells

Answer: (A)

Oncogenes promote the division of cells with damaged DNA. DNA DNA is deoxyribonucleic acid. Oncogenes promote the division of cells with damaged deoxyribonucleic acid.


Question:
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

Answer: (F)

Viruses infect and live inside the cells of living organisms. Plants are complex living organisms. Viruses infect and live inside the cells of plants.


Question:
Viruses first infect, then they release into the host by doing what?
Options:
- (A) Cooking
- (B) kill them
- (C) harm them
- (D) lysing
- (E) illness
- (F) fever
- (G) migrate
- (H) propagate

Answer: (D)

Viruses infect and live inside the cells of living organisms. If the virus is nonenveloped it is released by lysing the host cell. Infection by viruses leads to lysing and release.


Question:
What can a mammal produce by shivering?
Options:
- (A) energy
- (B) motion
- (C) food
- (D) warmth
- (E) cells
- (F) fur
- (G) light
- (H) matter

Answer: (A)

Mammals can also generate little bursts of heat by shivering. Basically, heat is energy. Mammals can generate little bursts of energy by shivering.


Question:
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

Answer: (G)

Mammals can also generate little bursts of heat by shivering. Polar bears are mammals. Polar bears can generate heat by shivering.