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Organisms that depend on other organisms for food play what role in the food chain?
[ "fungus", "producer", "consumer", "plant" ]
consumer
Answer the following multiple-choice question. Question: Organisms that depend on other organisms for food play what role in the food chain? Options: A. fungus B. producer C. consumer D. plant Which option is correct and why?
The correct answer is: consumer.
C
What requires energy for growth?
[ "a car", "a hippopotamus", "a house", "a desk" ]
a hippopotamus
Answer the following multiple-choice question. Question: What requires energy for growth? Options: A. a car B. a hippopotamus C. a house D. a desk Which option is correct and why?
The correct answer is: a hippopotamus.
B
How many quarks are in each proton and neutron?
[ "three", "four", "ten", "five" ]
three
Answer the following multiple-choice question. Question: How many quarks are in each proton and neutron? Options: A. three B. four C. ten D. five Which option is correct and why?
The correct answer is: three.
A
What are the names of foul-smelling amines, formed as a part of the decay process after death?
[ "sulfur and formaldehyde", "formaldehyde and cadaverine", "cadaverine and putrescine", "methane and sulfur" ]
cadaverine and putrescine
Answer the following multiple-choice question. Question: What are the names of foul-smelling amines, formed as a part of the decay process after death? Options: A. sulfur and formaldehyde B. formaldehyde and cadaverine C. cadaverine and putrescine D. methane and sulfur Which option is correct and why?
The correct answer is: cadaverine and putrescine.
C
What is the name of the hollow nerve cord along the back of chordates?
[ "phloem", "zetacord", "mesoderm", "notochord" ]
notochord
Answer the following multiple-choice question. Question: What is the name of the hollow nerve cord along the back of chordates? Options: A. phloem B. zetacord C. mesoderm D. notochord Which option is correct and why?
The correct answer is: notochord.
D
What happens when food is stored below 40 degrees?
[ "Decrease bodily water", "It gets cooked quicker", "It stays fresh", "Dehydration", "sweating", "They may not survive.", "It's not as safe to eat", "It gets eaten quicker" ]
It stays fresh
Answer the following multiple-choice question. Question: What happens when food is stored below 40 degrees? Options: A. Decrease bodily water B. It gets cooked quicker C. It stays fresh D. Dehydration E. sweating F. They may not survive. G. It's not as safe to eat H. It gets eaten quicker Which option is correct and why?
The correct answer is: It stays fresh.
C
What is the distinctive shape of the molecule that contains genetic information?
[ "cylindrical", "spiral", "conical", "cube" ]
spiral
Answer the following multiple-choice question. Question: What is the distinctive shape of the molecule that contains genetic information? Options: A. cylindrical B. spiral C. conical D. cube Which option is correct and why?
The correct answer is: spiral.
B
How is coal made?
[ "Being exposed to air", "to move people", "Converting waste.", "heat is produced", "It gets heated up", "Being buried under ground", "By hand", "In a factory" ]
Being buried under ground
Answer the following multiple-choice question. Question: How is coal made? Options: A. Being exposed to air B. to move people C. Converting waste. D. heat is produced E. It gets heated up F. Being buried under ground G. By hand H. In a factory Which option is correct and why?
The correct answer is: Being buried under ground.
A
What is measured by the intensity of the sound waves?
[ "tone", "loudness", "inputs", "pitch" ]
loudness
Answer the following multiple-choice question. Question: What is measured by the intensity of the sound waves? Options: A. tone B. loudness C. inputs D. pitch Which option is correct and why?
The correct answer is: loudness.
B
Is the rate of population growth increasing or decreasing?
[ "increasing", "preventing", "Vanishing.", "suggesting" ]
increasing
Answer the following multiple-choice question. Question: Is the rate of population growth increasing or decreasing? Options: A. increasing B. preventing C. Vanishing. D. suggesting Which option is correct and why?
The correct answer is: increasing.
A
In which way do vertebrates reproduce?
[ "asexually", "unisexually", "sexually", "bisexually" ]
sexually
Answer the following multiple-choice question. Question: In which way do vertebrates reproduce? Options: A. asexually B. unisexually C. sexually D. bisexually Which option is correct and why?
The correct answer is: sexually.
C
which one of these would be a migratory outcome?
[ "animals feeling more comfortable being outside", "animals getting more sick", "animals getting more aggressive", "animals dying from sub-zero weather" ]
animals feeling more comfortable being outside
Answer the following multiple-choice question. Question: which one of these would be a migratory outcome? Options: A. animals feeling more comfortable being outside B. animals getting more sick C. animals getting more aggressive D. animals dying from sub-zero weather Which option is correct and why?
The correct answer is: animals feeling more comfortable being outside.
A
What do microbial fuel cells transform hydrogen into?
[ "Renewable energy", "Electrical energy", "kinetic energy", "electromagnetic energy", "an engine", "transportation technology", "Solar energy", "Oil" ]
Electrical energy
Answer the following multiple-choice question. Question: What do microbial fuel cells transform hydrogen into? Options: A. Renewable energy B. Electrical energy C. kinetic energy D. electromagnetic energy E. an engine F. transportation technology G. Solar energy H. Oil Which option is correct and why?
The correct answer is: Electrical energy.
B
The nucleolus, which makes ribosomes, is located within what cell structure?
[ "nucleus", "mitochondria", "Golgi apparatus", "epidermis" ]
nucleus
Answer the following multiple-choice question. Question: The nucleolus, which makes ribosomes, is located within what cell structure? Options: A. nucleus B. mitochondria C. Golgi apparatus D. epidermis Which option is correct and why?
The correct answer is: nucleus.
A
What color is neptune?
[ "yellow", "white", "pink", "blue" ]
blue
Answer the following multiple-choice question. Question: What color is neptune? Options: A. yellow B. white C. pink D. blue Which option is correct and why?
The correct answer is: blue.
D
What is another name for collar cells?
[ "enzymes", "choanocytes", "sporozoans", "clutches" ]
choanocytes
Answer the following multiple-choice question. Question: What is another name for collar cells? Options: A. enzymes B. choanocytes C. sporozoans D. clutches Which option is correct and why?
The correct answer is: choanocytes.
B
what contributes to soils?
[ "roundworms", "humans", "rainfall", "cacti", "bacteria", "weathering", "viruses", "Most plants" ]
roundworms
Answer the following multiple-choice question. Question: what contributes to soils? Options: A. roundworms B. humans C. rainfall D. cacti E. bacteria F. weathering G. viruses H. Most plants Which option is correct and why?
The correct answer is: roundworms.
A
Most soft-bodied invertebrates have what?
[ "hands", "epidermal", "protected", "a cuticle", "hard", "alveoli", "shells", "exterior" ]
shells
Answer the following multiple-choice question. Question: Most soft-bodied invertebrates have what? Options: A. hands B. epidermal C. protected D. a cuticle E. hard F. alveoli G. shells H. exterior Which option is correct and why?
The correct answer is: shells.
A
What structures of the cardiovascular system help regulate body processes by either constricting or dilating?
[ "muscles", "capillaries", "cartilage", "blood vessels" ]
blood vessels
Answer the following multiple-choice question. Question: What structures of the cardiovascular system help regulate body processes by either constricting or dilating? Options: A. muscles B. capillaries C. cartilage D. blood vessels Which option is correct and why?
The correct answer is: blood vessels.
D
The two smallest carboxylic acids are formic acid and what else?
[ "ethylene acid", "acetic acid", "carbonates acid", "ascorbic acid" ]
acetic acid
Answer the following multiple-choice question. Question: The two smallest carboxylic acids are formic acid and what else? Options: A. ethylene acid B. acetic acid C. carbonates acid D. ascorbic acid Which option is correct and why?
The correct answer is: acetic acid.
B
All animals that derive energy from food are classified as what?
[ "paleotrophs", "lifeforms", "heliotrophs", "heterotrophs" ]
heterotrophs
Answer the following multiple-choice question. Question: All animals that derive energy from food are classified as what? Options: A. paleotrophs B. lifeforms C. heliotrophs D. heterotrophs Which option is correct and why?
The correct answer is: heterotrophs.
D
The part of the shadow in which light is completely blocked is called what?
[ "penumbra", "eclipse", "umbra", "corona" ]
umbra
Answer the following multiple-choice question. Question: The part of the shadow in which light is completely blocked is called what? Options: A. penumbra B. eclipse C. umbra D. corona Which option is correct and why?
The correct answer is: umbra.
C
How does coal produce electricity?
[ "It remains dormant", "It gets cooled", "By rubbing together", "chemical reaction", "It gets heated up", "major threat to health", "Through magnetism", "heat energy" ]
It gets heated up
Answer the following multiple-choice question. Question: How does coal produce electricity? Options: A. It remains dormant B. It gets cooled C. By rubbing together D. chemical reaction E. It gets heated up F. major threat to health G. Through magnetism H. heat energy Which option is correct and why?
The correct answer is: It gets heated up.
E
What may cause mammals to leave an enviroment?
[ "contamination", "adequate shelter", "lack of predators", "influenza", "Pollution", "deforestation", "natural disasters", "an abundance of food" ]
natural disasters
Answer the following multiple-choice question. Question: What may cause mammals to leave an enviroment? Options: A. contamination B. adequate shelter C. lack of predators D. influenza E. Pollution F. deforestation G. natural disasters H. an abundance of food Which option is correct and why?
The correct answer is: natural disasters.
A
Hummingbirds gather nectar using their
[ "bills", "wings", "hands", "feet" ]
bills
Answer the following multiple-choice question. Question: Hummingbirds gather nectar using their Options: A. bills B. wings C. hands D. feet Which option is correct and why?
The correct answer is: bills.
A
Each enzyme has an optimal what at which its reaction rate is greatest?
[ "weight", "temperature", "precipitation", "size" ]
temperature
Answer the following multiple-choice question. Question: Each enzyme has an optimal what at which its reaction rate is greatest? Options: A. weight B. temperature C. precipitation D. size Which option is correct and why?
The correct answer is: temperature.
B
What disrupts organisms and the atmosphere?
[ "fog", "Sulfur dioxide", "light rain", "fossil fuels", "Pesticides", "water vapor", "burning coal", "deforestation" ]
deforestation
Answer the following multiple-choice question. Question: What disrupts organisms and the atmosphere? Options: A. fog B. Sulfur dioxide C. light rain D. fossil fuels E. Pesticides F. water vapor G. burning coal H. deforestation Which option is correct and why?
The correct answer is: deforestation.
A
When sugar is added to water, it blends in such as in which drink?
[ "milk", "lemonade", "juice", "tea" ]
lemonade
Answer the following multiple-choice question. Question: When sugar is added to water, it blends in such as in which drink? Options: A. milk B. lemonade C. juice D. tea Which option is correct and why?
The correct answer is: lemonade.
B
An alien creature is found on earth. Researchers discover that it will eat worms, insects and small rodents, but shuns bananas, leaves and cucumbers. Which of these could be true?
[ "the creature is a carnivore", "the creature is a vegan", "the creature is something other than an omnivore", "the creature loves to eat cucumbers" ]
the creature is a carnivore
Answer the following multiple-choice question. Question: An alien creature is found on earth. Researchers discover that it will eat worms, insects and small rodents, but shuns bananas, leaves and cucumbers. Which of these could be true? Options: A. the creature is a carnivore B. the creature is a vegan C. the creature is something other than an omnivore D. the creature loves to eat cucumbers Which option is correct and why?
The correct answer is: the creature is a carnivore.
A
Many european and asiatic elms are less susceptible to dutch elm disease than which elms?
[ "american", "rican", "african", "caribbean" ]
american
Answer the following multiple-choice question. Question: Many european and asiatic elms are less susceptible to dutch elm disease than which elms? Options: A. american B. rican C. african D. caribbean Which option is correct and why?
The correct answer is: american.
A
On the origin of species is a book by darwin that spells out what theory?
[ "theory of evolution", "theory of the universe", "theory of reproduction", "theory of the computation" ]
theory of evolution
Answer the following multiple-choice question. Question: On the origin of species is a book by darwin that spells out what theory? Options: A. theory of evolution B. theory of the universe C. theory of reproduction D. theory of the computation Which option is correct and why?
The correct answer is: theory of evolution.
A
Plants face two types of enemies: herbivores and what else?
[ "erosion", "pathogens", "water", "carnivores" ]
pathogens
Answer the following multiple-choice question. Question: Plants face two types of enemies: herbivores and what else? Options: A. erosion B. pathogens C. water D. carnivores Which option is correct and why?
The correct answer is: pathogens.
B
Kinetic energy of moving particles of matter, measured by their temperatures are known as:
[ "atmospheric energy", "visible energy", "solar energy", "thermal energy" ]
thermal energy
Answer the following multiple-choice question. Question: Kinetic energy of moving particles of matter, measured by their temperatures are known as: Options: A. atmospheric energy B. visible energy C. solar energy D. thermal energy Which option is correct and why?
The correct answer is: thermal energy.
D
The energy of a photon is directly proportional to the frequency of the electromagnetic what?
[ "convection", "absorption", "evaporation", "radiation" ]
radiation
Answer the following multiple-choice question. Question: The energy of a photon is directly proportional to the frequency of the electromagnetic what? Options: A. convection B. absorption C. evaporation D. radiation Which option is correct and why?
The correct answer is: radiation.
D
Fatty acids, triglycerides, phospholipids, and steroids are examples of what?
[ "proteins", "lipids", "enzymes", "tissues" ]
lipids
Answer the following multiple-choice question. Question: Fatty acids, triglycerides, phospholipids, and steroids are examples of what? Options: A. proteins B. lipids C. enzymes D. tissues Which option is correct and why?
The correct answer is: lipids.
B
What number is the sum of the numbers of protons and neutrons present in the nucleus of an atom?
[ "combined number", "mass total", "mass number", "nuclear number" ]
mass number
Answer the following multiple-choice question. Question: What number is the sum of the numbers of protons and neutrons present in the nucleus of an atom? Options: A. combined number B. mass total C. mass number D. nuclear number Which option is correct and why?
The correct answer is: mass number.
C
What are the specialized cells of sponges called?
[ "plant cells", "t cells", "helper cells", "collar cells" ]
collar cells
Answer the following multiple-choice question. Question: What are the specialized cells of sponges called? Options: A. plant cells B. t cells C. helper cells D. collar cells Which option is correct and why?
The correct answer is: collar cells.
D
Where would an archaeologist likely find an impression of an ancient footprint?
[ "lying on the beach", "under layers of dirt", "on the surface of the moon", "buried in a graveyard" ]
under layers of dirt
Answer the following multiple-choice question. Question: Where would an archaeologist likely find an impression of an ancient footprint? Options: A. lying on the beach B. under layers of dirt C. on the surface of the moon D. buried in a graveyard Which option is correct and why?
The correct answer is: under layers of dirt.
B
What from one species to another occurs over geologic time?
[ "Energy", "science", "means", "change", "fusion", "movement", "pollen", "time" ]
change
Answer the following multiple-choice question. Question: What from one species to another occurs over geologic time? Options: A. Energy B. science C. means D. change E. fusion F. movement G. pollen H. time Which option is correct and why?
The correct answer is: change.
D
Besides greenland, where are the earth's largest ice sheets found?
[ "Asia", "Europe", "North America", "antarctica" ]
antarctica
Answer the following multiple-choice question. Question: Besides greenland, where are the earth's largest ice sheets found? Options: A. Asia B. Europe C. North America D. antarctica Which option is correct and why?
The correct answer is: antarctica.
D
What causes the westerlies?
[ "flow of electrons", "Ocean currents", "Precipitation", "to move people", "Drought", "scattered light", "Uneven heating by the sun", "exposure to cold" ]
Uneven heating by the sun
Answer the following multiple-choice question. Question: What causes the westerlies? Options: A. flow of electrons B. Ocean currents C. Precipitation D. to move people E. Drought F. scattered light G. Uneven heating by the sun H. exposure to cold Which option is correct and why?
The correct answer is: Uneven heating by the sun.
A
Name the physicist who discovered radioactivity?
[ "louis pasteur", "albert einstein", "neal degrasse tyson", "antoine henri becquerel" ]
antoine henri becquerel
Answer the following multiple-choice question. Question: Name the physicist who discovered radioactivity? Options: A. louis pasteur B. albert einstein C. neal degrasse tyson D. antoine henri becquerel Which option is correct and why?
The correct answer is: antoine henri becquerel.
D
What do you call the first cell of a new organism?
[ "starter cell", "embryo", "zygote", "egg" ]
zygote
Answer the following multiple-choice question. Question: What do you call the first cell of a new organism? Options: A. starter cell B. embryo C. zygote D. egg Which option is correct and why?
The correct answer is: zygote.
C
what will expand when heated?
[ "arteries", "water vapor", "breathing", "viewing", "condensation", "a prism", "glass", "chlorine" ]
chlorine
Answer the following multiple-choice question. Question: what will expand when heated? Options: A. arteries B. water vapor C. breathing D. viewing E. condensation F. a prism G. glass H. chlorine Which option is correct and why?
The correct answer is: chlorine.
A
Jellyfish belong to which phylum?
[ "porifera", "analidae", "mycobacteria", "cnidaria" ]
cnidaria
Answer the following multiple-choice question. Question: Jellyfish belong to which phylum? Options: A. porifera B. analidae C. mycobacteria D. cnidaria Which option is correct and why?
The correct answer is: cnidaria.
D
What is required for life?
[ "dna", "RNA", "food", "money", "lead", "ovum", "ova", "gasoline" ]
dna
Answer the following multiple-choice question. Question: What is required for life? Options: A. dna B. RNA C. food D. money E. lead F. ovum G. ova H. gasoline Which option is correct and why?
The correct answer is: dna.
A
Why might wolves a new area where a lot of deer live?
[ "The wolves eat the same things that the deer eat", "They wanted to be friends with the deer.", "The wolves stay near the deer for protection", "The wolves use the deer for nutrition" ]
The wolves use the deer for nutrition
Answer the following multiple-choice question. Question: Why might wolves a new area where a lot of deer live? Options: A. The wolves eat the same things that the deer eat B. They wanted to be friends with the deer. C. The wolves stay near the deer for protection D. The wolves use the deer for nutrition Which option is correct and why?
The correct answer is: The wolves use the deer for nutrition.
D
Which action may be seen an action that benefits the environment
[ "redeeming aluminum cans", "burning trash", "hunting deer", "Building inground pool" ]
redeeming aluminum cans
Answer the following multiple-choice question. Question: Which action may be seen an action that benefits the environment Options: A. redeeming aluminum cans B. burning trash C. hunting deer D. Building inground pool Which option is correct and why?
The correct answer is: redeeming aluminum cans.
A
What slows down the transfer of heat?
[ "a wooden wall", "the wind", "the sun", "light rays" ]
a wooden wall
Answer the following multiple-choice question. Question: What slows down the transfer of heat? Options: A. a wooden wall B. the wind C. the sun D. light rays Which option is correct and why?
The correct answer is: a wooden wall.
A
What is when solids are heated and ions move freely?
[ "dissolving", "refreshing", "kinetic energy", "removing", "boiling", "barrel-shaped", "renewing", "unidirectional" ]
dissolving
Answer the following multiple-choice question. Question: What is when solids are heated and ions move freely? Options: A. dissolving B. refreshing C. kinetic energy D. removing E. boiling F. barrel-shaped G. renewing H. unidirectional Which option is correct and why?
The correct answer is: dissolving.
A
Viruses often infect something killed by what?
[ "Rocks", "Antibiotics", "radiation", "Needle", "Water", "Pesticides", "sun's heat", "Cooking" ]
Antibiotics
Answer the following multiple-choice question. Question: Viruses often infect something killed by what? Options: A. Rocks B. Antibiotics C. radiation D. Needle E. Water F. Pesticides G. sun's heat H. Cooking Which option is correct and why?
The correct answer is: Antibiotics.
B
What is light with wavelengths shorter than visible light called?
[ "radio waves", "ultraviolet light", "weathering light", "infrared light" ]
ultraviolet light
Answer the following multiple-choice question. Question: What is light with wavelengths shorter than visible light called? Options: A. radio waves B. ultraviolet light C. weathering light D. infrared light Which option is correct and why?
The correct answer is: ultraviolet light.
B
In mammals, hair or fur help conserve bodily what?
[ "food", "energy", "water", "heat" ]
heat
Answer the following multiple-choice question. Question: In mammals, hair or fur help conserve bodily what? Options: A. food B. energy C. water D. heat Which option is correct and why?
The correct answer is: heat.
D
Scientists use the principles of what to make predictions, which they then test?
[ "their teachers", "their guesses", "their faith", "their hypothesis" ]
their hypothesis
Answer the following multiple-choice question. Question: Scientists use the principles of what to make predictions, which they then test? Options: A. their teachers B. their guesses C. their faith D. their hypothesis Which option is correct and why?
The correct answer is: their hypothesis.
D
What does mechanical weathering do to a rock?
[ "move to different locations", "Causes it to crack", "Makes it shrink", "break off", "Regrows it", "decreases its bodily water", "Moves it", "Causes it to grow" ]
Causes it to crack
Answer the following multiple-choice question. Question: What does mechanical weathering do to a rock? Options: A. move to different locations B. Causes it to crack C. Makes it shrink D. break off E. Regrows it F. decreases its bodily water G. Moves it H. Causes it to grow Which option is correct and why?
The correct answer is: Causes it to crack.
B
What do you call resources that can be replaced at the rate they are being used?
[ "abundant", "innovative", "renewable", "viable" ]
renewable
Answer the following multiple-choice question. Question: What do you call resources that can be replaced at the rate they are being used? Options: A. abundant B. innovative C. renewable D. viable Which option is correct and why?
The correct answer is: renewable.
C
Rabies transmission occurs when saliva from an infected mammal enters a wound. the virus travels through neurons in the peripheral nervous system to the central nervous system where it impairs this?
[ "brain function", "lung function", "skeletal system", "reproduction system" ]
brain function
Answer the following multiple-choice question. Question: Rabies transmission occurs when saliva from an infected mammal enters a wound. the virus travels through neurons in the peripheral nervous system to the central nervous system where it impairs this? Options: A. brain function B. lung function C. skeletal system D. reproduction system Which option is correct and why?
The correct answer is: brain function.
A
what is used to heat a building?
[ "water", "iron", "coal", "fire", "gas", "CFCs", "oxygen", "oil" ]
oil
Answer the following multiple-choice question. Question: what is used to heat a building? Options: A. water B. iron C. coal D. fire E. gas F. CFCs G. oxygen H. oil Which option is correct and why?
The correct answer is: oil.
A
What rely on vision for long-distance orientation?
[ "alpacas", "mammals", "graptolites", "fur seals", "fur and fat", "insects", "most reptiles", "to move people" ]
most reptiles
Answer the following multiple-choice question. Question: What rely on vision for long-distance orientation? Options: A. alpacas B. mammals C. graptolites D. fur seals E. fur and fat F. insects G. most reptiles H. to move people Which option is correct and why?
The correct answer is: most reptiles.
A
What does sunlight create for plants?
[ "sugar", "food", "entropy", "sunbathing", "happiness", "survival", "energy", "growth" ]
energy
Answer the following multiple-choice question. Question: What does sunlight create for plants? Options: A. sugar B. food C. entropy D. sunbathing E. happiness F. survival G. energy H. growth Which option is correct and why?
The correct answer is: energy.
A
Is an acid lower or higher than 7 on the ph scale?
[ "higher than 7", "twice as much as 7", "exactly 7", "lower than 7" ]
lower than 7
Answer the following multiple-choice question. Question: Is an acid lower or higher than 7 on the ph scale? Options: A. higher than 7 B. twice as much as 7 C. exactly 7 D. lower than 7 Which option is correct and why?
The correct answer is: lower than 7.
D
Four times a year you will see a different
[ "climate", "person", "moon", "star" ]
climate
Answer the following multiple-choice question. Question: Four times a year you will see a different Options: A. climate B. person C. moon D. star Which option is correct and why?
The correct answer is: climate.
A
Ground has
[ "electricity", "divorce", "elements", "common understanding" ]
elements
Answer the following multiple-choice question. Question: Ground has Options: A. electricity B. divorce C. elements D. common understanding Which option is correct and why?
The correct answer is: elements.
C
growth in what is caused by primary and secondary meristems in roots?
[ "H 2 O", "bamboo", "population", "offspring", "bushes", "bulbs", "clouds", "size" ]
size
Answer the following multiple-choice question. Question: growth in what is caused by primary and secondary meristems in roots? Options: A. H 2 O B. bamboo C. population D. offspring E. bushes F. bulbs G. clouds H. size Which option is correct and why?
The correct answer is: size.
A
What in soil is vital for healthy roots?
[ "looseness", "nutrients", "leftovers", "compacted", "ferns", "cells", "energy", "trash" ]
looseness
Answer the following multiple-choice question. Question: What in soil is vital for healthy roots? Options: A. looseness B. nutrients C. leftovers D. compacted E. ferns F. cells G. energy H. trash Which option is correct and why?
The correct answer is: looseness.
A
What are the two types of cells?
[ "bacteria and eukaryotes", "animal and bacteria", "prokaryotes and eukaryotes", "mammal and plant" ]
prokaryotes and eukaryotes
Answer the following multiple-choice question. Question: What are the two types of cells? Options: A. bacteria and eukaryotes B. animal and bacteria C. prokaryotes and eukaryotes D. mammal and plant Which option is correct and why?
The correct answer is: prokaryotes and eukaryotes.
C
Tanning salons claim to use a “safe” form of what light, with a longer wavelength than that in sunlight?
[ "uv (ultraviolet)", "microwave", "X rays", "infrared" ]
uv (ultraviolet)
Answer the following multiple-choice question. Question: Tanning salons claim to use a “safe” form of what light, with a longer wavelength than that in sunlight? Options: A. uv (ultraviolet) B. microwave C. X rays D. infrared Which option is correct and why?
The correct answer is: uv (ultraviolet).
A
Fossil records show that what process may occur in "fits and starts"?
[ "evolution", "variation", "generation", "isolation" ]
evolution
Answer the following multiple-choice question. Question: Fossil records show that what process may occur in "fits and starts"? Options: A. evolution B. variation C. generation D. isolation Which option is correct and why?
The correct answer is: evolution.
A
Steam actually consists of tiny droplets of liquid what?
[ "water", "methane", "lead", "mercury" ]
water
Answer the following multiple-choice question. Question: Steam actually consists of tiny droplets of liquid what? Options: A. water B. methane C. lead D. mercury Which option is correct and why?
The correct answer is: water.
A
The two ovaries are small, oval organs on either side of what part of the body?
[ "lungs", "pancreas", "heart", "uterus" ]
uterus
Answer the following multiple-choice question. Question: The two ovaries are small, oval organs on either side of what part of the body? Options: A. lungs B. pancreas C. heart D. uterus Which option is correct and why?
The correct answer is: uterus.
D
What do birds secrete to attract a mate?
[ "Energy.", "Energy", "fur and fat", "seeds", "oxygen", "pollen", "Estrogen", "acetic acid" ]
Estrogen
Answer the following multiple-choice question. Question: What do birds secrete to attract a mate? Options: A. Energy. B. Energy C. fur and fat D. seeds E. oxygen F. pollen G. Estrogen H. acetic acid Which option is correct and why?
The correct answer is: Estrogen.
A
Earth is warmed mostly by a large yellow dwarf star that is
[ "hollow", "local", "furthest", "dark" ]
local
Answer the following multiple-choice question. Question: Earth is warmed mostly by a large yellow dwarf star that is Options: A. hollow B. local C. furthest D. dark Which option is correct and why?
The correct answer is: local.
B
What type of disease occurs when the immune system fails to recognize the body's own molecules?
[ "cardiac", "congenital", "gastrointestinal", "autoimmune" ]
autoimmune
Answer the following multiple-choice question. Question: What type of disease occurs when the immune system fails to recognize the body's own molecules? Options: A. cardiac B. congenital C. gastrointestinal D. autoimmune Which option is correct and why?
The correct answer is: autoimmune.
D
What does cricoid contain?
[ "Bodily water", "cellulum", "cellulite", "Energy", "hydrocarbons", "cellulose", "cellular", "layers of fat" ]
cellulose
Answer the following multiple-choice question. Question: What does cricoid contain? Options: A. Bodily water B. cellulum C. cellulite D. Energy E. hydrocarbons F. cellulose G. cellular H. layers of fat Which option is correct and why?
The correct answer is: cellulose.
A
In what way do bacteria reproduce?
[ "binary fission", "fragmentation", "cellular respiration", "sexual reproduction" ]
binary fission
Answer the following multiple-choice question. Question: In what way do bacteria reproduce? Options: A. binary fission B. fragmentation C. cellular respiration D. sexual reproduction Which option is correct and why?
The correct answer is: binary fission.
A
What is the second highest mountain in the world, at over 28,000 feet?
[ "k2", "makalu", "pikes peak", "everest" ]
k2
Answer the following multiple-choice question. Question: What is the second highest mountain in the world, at over 28,000 feet? Options: A. k2 B. makalu C. pikes peak D. everest Which option is correct and why?
The correct answer is: k2.
A
Erosion can make a source of H2O
[ "stay exactly the same", "remain static over time", "calibrate from its previous capacity", "begin hosting underwater birds" ]
calibrate from its previous capacity
Answer the following multiple-choice question. Question: Erosion can make a source of H2O Options: A. stay exactly the same B. remain static over time C. calibrate from its previous capacity D. begin hosting underwater birds Which option is correct and why?
The correct answer is: calibrate from its previous capacity.
C
A complementary pair of chromosomes have genes for the same characteristics in the same location on the chromosome are known as?
[ "symbiotic chromosomes", "homologous chromosomes", "analogous chromosomes", "endroctyne chromosomes" ]
homologous chromosomes
Answer the following multiple-choice question. Question: A complementary pair of chromosomes have genes for the same characteristics in the same location on the chromosome are known as? Options: A. symbiotic chromosomes B. homologous chromosomes C. analogous chromosomes D. endroctyne chromosomes Which option is correct and why?
The correct answer is: homologous chromosomes.
B
When drinking water is treated, what is the term for when chemicals cause solids in the water to clump together?
[ "plasma", "oxidation", "clumping", "coagulation" ]
coagulation
Answer the following multiple-choice question. Question: When drinking water is treated, what is the term for when chemicals cause solids in the water to clump together? Options: A. plasma B. oxidation C. clumping D. coagulation Which option is correct and why?
The correct answer is: coagulation.
D
What does caffeine do?
[ "Increase fame", "increases a body's strength", "Release energy", "Increase user's heart rate", "Transfers energy", "decrease stamina", "Increase intelligence", "Increase wealth" ]
Increase user's heart rate
Answer the following multiple-choice question. Question: What does caffeine do? Options: A. Increase fame B. increases a body's strength C. Release energy D. Increase user's heart rate E. Transfers energy F. decrease stamina G. Increase intelligence H. Increase wealth Which option is correct and why?
The correct answer is: Increase user's heart rate.
D
Sepals, petals, pistils, and stamens are contained in all what, which are actually modified leaves or sporophylls organized around a central stalk?
[ "stems", "chlorophyll", "flowers", "roots" ]
flowers
Answer the following multiple-choice question. Question: Sepals, petals, pistils, and stamens are contained in all what, which are actually modified leaves or sporophylls organized around a central stalk? Options: A. stems B. chlorophyll C. flowers D. roots Which option is correct and why?
The correct answer is: flowers.
C
What occurs when two nonpolar liquids are mixed?
[ "polar-nonpolar interactions", "refracted - nonpolar interactions", "sediment - nonpolar interactions", "nonpolar-nonpolar interactions" ]
nonpolar-nonpolar interactions
Answer the following multiple-choice question. Question: What occurs when two nonpolar liquids are mixed? Options: A. polar-nonpolar interactions B. refracted - nonpolar interactions C. sediment - nonpolar interactions D. nonpolar-nonpolar interactions Which option is correct and why?
The correct answer is: nonpolar-nonpolar interactions.
D
As altitude increases air pressure will do what?
[ "increase", "rise", "fly", "plummet" ]
plummet
Answer the following multiple-choice question. Question: As altitude increases air pressure will do what? Options: A. increase B. rise C. fly D. plummet Which option is correct and why?
The correct answer is: plummet.
D
What did some ancient societies use to reflect light?
[ "wood", "plants", "clothing", "rocks" ]
rocks
Answer the following multiple-choice question. Question: What did some ancient societies use to reflect light? Options: A. wood B. plants C. clothing D. rocks Which option is correct and why?
The correct answer is: rocks.
D
In eukaryotes, the major mechanism for shuffling genes is what?
[ "asexual reproduction", "subject reproduction", "suggesting reproduction", "sexual reproduction" ]
sexual reproduction
Answer the following multiple-choice question. Question: In eukaryotes, the major mechanism for shuffling genes is what? Options: A. asexual reproduction B. subject reproduction C. suggesting reproduction D. sexual reproduction Which option is correct and why?
The correct answer is: sexual reproduction.
D
Making a specific prediction based on a general principle is known as what type of reasoning?
[ "common sense reasoning", "logical reasoning", "validating reasoning", "deductive reasoning" ]
deductive reasoning
Answer the following multiple-choice question. Question: Making a specific prediction based on a general principle is known as what type of reasoning? Options: A. common sense reasoning B. logical reasoning C. validating reasoning D. deductive reasoning Which option is correct and why?
The correct answer is: deductive reasoning.
D
This process is always more complex in eukaryotes than prokaryotes
[ "eukaryotic infection", "mitosis", "kinetic", "movement", "breathing", "recycling", "photosynthesis", "relocation" ]
mitosis
Answer the following multiple-choice question. 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 Which option is correct and why?
The correct answer is: mitosis.
B
What do pedals usually cause a bicycle to do?
[ "move diagonally", "get started", "move forward", "stop", "Movement", "move backwards", "kinetic energy", "staying warm" ]
move forward
Answer the following multiple-choice question. Question: What do pedals usually cause a bicycle to do? Options: A. move diagonally B. get started C. move forward D. stop E. Movement F. move backwards G. kinetic energy H. staying warm Which option is correct and why?
The correct answer is: move forward.
C
Hormones tell what to produce eggs?
[ "heat", "seeds", "ovaries", "offspring", "pollen", "testicles", "liver", "vas deferens" ]
ovaries
Answer the following multiple-choice question. Question: Hormones tell what to produce eggs? Options: A. heat B. seeds C. ovaries D. offspring E. pollen F. testicles G. liver H. vas deferens Which option is correct and why?
The correct answer is: ovaries.
C
Hypersensitivity may refer to a maladaptive response of what system toward a harmless foreign substance?
[ "immune", "System", "brain", "oxygen" ]
immune
Answer the following multiple-choice question. Question: Hypersensitivity may refer to a maladaptive response of what system toward a harmless foreign substance? Options: A. immune B. System C. brain D. oxygen Which option is correct and why?
The correct answer is: immune.
A
What do wood burning stoves create to provide warmth?
[ "energy", "cooking", "heat", "steam", "power", "Light", "warmth", "ventilation" ]
heat
Answer the following multiple-choice question. Question: What do wood burning stoves create to provide warmth? Options: A. energy B. cooking C. heat D. steam E. power F. Light G. warmth H. ventilation Which option is correct and why?
The correct answer is: heat.
C
Graphite is a form of elemental carbon what is another form?
[ "iron", "diamond", "carbonite", "magnite" ]
diamond
Answer the following multiple-choice question. Question: Graphite is a form of elemental carbon what is another form? Options: A. iron B. diamond C. carbonite D. magnite Which option is correct and why?
The correct answer is: diamond.
B
What gas is released by burning of fossil fuels and contributes to global warming?
[ "carbon dioxide", "helium", "hydrogen", "nitrous oxide" ]
carbon dioxide
Answer the following multiple-choice question. Question: What gas is released by burning of fossil fuels and contributes to global warming? Options: A. carbon dioxide B. helium C. hydrogen D. nitrous oxide Which option is correct and why?
The correct answer is: carbon dioxide.
A
What direction are sediments deposited?
[ "diagonally", "magnetic poles", "horizontally", "vertically" ]
horizontally
Answer the following multiple-choice question. Question: What direction are sediments deposited? Options: A. diagonally B. magnetic poles C. horizontally D. vertically Which option is correct and why?
The correct answer is: horizontally.
C
The doorbell was pushed, but sound failed to emit. What might cause this?
[ "atmospheric pressure", "Batteries dead", "storm", "temperature" ]
Batteries dead
Answer the following multiple-choice question. Question: The doorbell was pushed, but sound failed to emit. What might cause this? Options: A. atmospheric pressure B. Batteries dead C. storm D. temperature Which option is correct and why?
The correct answer is: Batteries dead.
B
Which can best be described as hibernation for most amphibians?
[ "a brain dead frog in mud", "a frog napping for an hour in mud", "a frog burying itself in mud for months", "a frog sleeping for the night in mud" ]
a frog burying itself in mud for months
Answer the following multiple-choice question. Question: Which can best be described as hibernation for most amphibians? Options: A. a brain dead frog in mud B. a frog napping for an hour in mud C. a frog burying itself in mud for months D. a frog sleeping for the night in mud Which option is correct and why?
The correct answer is: a frog burying itself in mud for months.
C
What type of diseases in humans are caused by protozoa?
[ "protist diseases", "dysentery", "diarrhea", "protozoa diseases" ]
protist diseases
Answer the following multiple-choice question. Question: What type of diseases in humans are caused by protozoa? Options: A. protist diseases B. dysentery C. diarrhea D. protozoa diseases Which option is correct and why?
The correct answer is: protist diseases.
A
What does the ubiquitous generator use to generate currents?
[ "inertia", "water", "magnetism", "gravity" ]
magnetism
Answer the following multiple-choice question. Question: What does the ubiquitous generator use to generate currents? Options: A. inertia B. water C. magnetism D. gravity Which option is correct and why?
The correct answer is: magnetism.
C
All new alleles are formed by what types of mutations?
[ "systemic", "chaotic", "ordinary", "random" ]
random
Answer the following multiple-choice question. Question: All new alleles are formed by what types of mutations? Options: A. systemic B. chaotic C. ordinary D. random Which option is correct and why?
The correct answer is: random.
D
What decreases when the seasons change from summer to autumn?
[ "epidermal", "daylight", "snow", "rain", "wind speed", "Light", "sunlight", "temperature" ]
daylight
Answer the following multiple-choice question. Question: What decreases when the seasons change from summer to autumn? Options: A. epidermal B. daylight C. snow D. rain E. wind speed F. Light G. sunlight H. temperature Which option is correct and why?
The correct answer is: daylight.
B