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evolution over what time above the level of the species includes speciation events
[ "movement", "ligt", "environment", "radiation", "geologic", "relocation", "Most plants", "animals" ]
geologic
Answer the following multiple-choice question. Question: evolution over what time above the level of the species includes speciation events Options: A. movement B. ligt C. environment D. radiation E. geologic F. relocation G. Most plants H. animals Which option is correct and why?
The correct answer is: geologic.
The addition of electron gives the halide ions the same electron configuration as what gas?
[ "a fatty gas", "a noble gas", "an inert gas", "a flammable gas" ]
a noble gas
Answer the following multiple-choice question. Question: The addition of electron gives the halide ions the same electron configuration as what gas? Options: A. a fatty gas B. a noble gas C. an inert gas D. a flammable gas Which option is correct and why?
The correct answer is: a noble gas.
What kind of species of animals mainly live in waters?
[ "water plants", "warm-blooded", "colder and wetter", "aquatic animals", "aviary species of animals", "objects that have mass", "It helps them survive", "kindom animalia" ]
aquatic animals
Answer the following multiple-choice question. Question: What kind of species of animals mainly live in waters? Options: A. water plants B. warm-blooded C. colder and wetter D. aquatic animals E. aviary species of animals F. objects that have mass G. It helps them survive H. kindom animalia Which option is correct and why?
The correct answer is: aquatic animals.
What is the scientific term for the dropping of leaves, fruits, and flowers, which led to the naming of an acid thought to play a role in the process?
[ "ascorbition", "affixation", "abscission", "ablation" ]
abscission
Answer the following multiple-choice question. Question: What is the scientific term for the dropping of leaves, fruits, and flowers, which led to the naming of an acid thought to play a role in the process? Options: A. ascorbition B. affixation C. abscission D. ablation Which option is correct and why?
The correct answer is: abscission.
What happens when soil is exposed to wind?
[ "It's healthy", "The area was once underwater", "Plant growth is reduced", "It stays in place", "forest is destroyed", "It grows plants easier", "It gets heated up", "It detach and moves" ]
It detach and moves
Answer the following multiple-choice question. Question: What happens when soil is exposed to wind? Options: A. It's healthy B. The area was once underwater C. Plant growth is reduced D. It stays in place E. forest is destroyed F. It grows plants easier G. It gets heated up H. It detach and moves Which option is correct and why?
The correct answer is: It detach and moves.
Which of these lays eggs?
[ "vampire bats", "flying squirrels", "lesser whitethroats", "coyotes" ]
lesser whitethroats
Answer the following multiple-choice question. Question: Which of these lays eggs? Options: A. vampire bats B. flying squirrels C. lesser whitethroats D. coyotes Which option is correct and why?
The correct answer is: lesser whitethroats.
For animals, displays of color can be viewed as:
[ "spectrum", "prudishness", "rainbow", "courtship", "positive", "harm them", "produce light", "Movement" ]
courtship
Answer the following multiple-choice question. Question: For animals, displays of color can be viewed as: Options: A. spectrum B. prudishness C. rainbow D. courtship E. positive F. harm them G. produce light H. Movement Which option is correct and why?
The correct answer is: courtship.
Where do green plants grow best?
[ "dark corners", "soils", "outside", "on Mars", "mild", "indoors", "loose soil", "Light" ]
outside
Answer the following multiple-choice question. Question: Where do green plants grow best? Options: A. dark corners B. soils C. outside D. on Mars E. mild F. indoors G. loose soil H. Light Which option is correct and why?
The correct answer is: outside.
In which specific organs are hormonal cells located?
[ "mammary glands", "endocrine glands", "spinal cord", "lymph nodes" ]
endocrine glands
Answer the following multiple-choice question. Question: In which specific organs are hormonal cells located? Options: A. mammary glands B. endocrine glands C. spinal cord D. lymph nodes Which option is correct and why?
The correct answer is: endocrine glands.
What are color and hardness physical properties of?
[ "elements", "cells", "ions", "matter" ]
matter
Answer the following multiple-choice question. Question: What are color and hardness physical properties of? Options: A. elements B. cells C. ions D. matter Which option is correct and why?
The correct answer is: matter.
Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water?
[ "topsoil", "subsurface", "subsoil", "silt" ]
subsoil
Answer the following multiple-choice question. Question: Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water? Options: A. topsoil B. subsurface C. subsoil D. silt Which option is correct and why?
The correct answer is: subsoil.
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What process determines the dna sequence of an entire genome?
[ "dna replication", "chromosomal counting", "whole-genome sequencing", "genetic factorization" ]
whole-genome sequencing
Answer the following multiple-choice question. Question: What process determines the dna sequence of an entire genome? Options: A. dna replication B. chromosomal counting C. whole-genome sequencing D. genetic factorization Which option is correct and why?
The correct answer is: whole-genome sequencing.
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What links the trophic levels from producers to top carnivores?
[ "ecosystems", "food chains", "environments", "fuel chains" ]
food chains
Answer the following multiple-choice question. Question: What links the trophic levels from producers to top carnivores? Options: A. ecosystems B. food chains C. environments D. fuel chains Which option is correct and why?
The correct answer is: food chains.
What undergoes alternation of generations?
[ "seeds", "Oak", "trees", "Flowers", "animals", "Conifers", "insects", "plants" ]
plants
Answer the following multiple-choice question. Question: What undergoes alternation of generations? Options: A. seeds B. Oak C. trees D. Flowers E. animals F. Conifers G. insects H. plants Which option is correct and why?
The correct answer is: plants.
What do telephones allow?
[ "consumer-grade invisibility", "animal transport", "flow of electrons", "electromagnetic energy", "A transportation fuel", "magic", "relationships to last distance", "instant transfer of matter" ]
relationships to last distance
Answer the following multiple-choice question. Question: What do telephones allow? Options: A. consumer-grade invisibility B. animal transport C. flow of electrons D. electromagnetic energy E. A transportation fuel F. magic G. relationships to last distance H. instant transfer of matter Which option is correct and why?
The correct answer is: relationships to last distance.
A bee may be vital for
[ "time travel", "metal", "cars", "basil" ]
basil
Answer the following multiple-choice question. Question: A bee may be vital for Options: A. time travel B. metal C. cars D. basil Which option is correct and why?
The correct answer is: basil.
Where is multiple fission more often observed?
[ "among protists", "among vertebrates", "among animals", "among multi-celled organisms" ]
among protists
Answer the following multiple-choice question. Question: Where is multiple fission more often observed? Options: A. among protists B. among vertebrates C. among animals D. among multi-celled organisms Which option is correct and why?
The correct answer is: among protists.
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Providing evidence of their ancestry, some species of what legless animals retain vestigial pelvic and limb bones?
[ "dolphins", "snakes", "whales", "sharks" ]
snakes
Answer the following multiple-choice question. Question: Providing evidence of their ancestry, some species of what legless animals retain vestigial pelvic and limb bones? Options: A. dolphins B. snakes C. whales D. sharks Which option is correct and why?
The correct answer is: snakes.
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The vertebrate circulatory system enables blood to deliver ________ and remove wastes throughout the body.
[ "oxygen and nutrients", "fluid and nutrients", "acid and nutrients", "hydrogen and nutrients" ]
oxygen and nutrients
Answer the following multiple-choice question. Question: The vertebrate circulatory system enables blood to deliver ________ and remove wastes throughout the body. Options: A. oxygen and nutrients B. fluid and nutrients C. acid and nutrients D. hydrogen and nutrients Which option is correct and why?
The correct answer is: oxygen and nutrients.
What type of competition occurs between members of the same species?
[ "interspecific", "intraspecific", "interspecies", "exospecies" ]
intraspecific
Answer the following multiple-choice question. Question: What type of competition occurs between members of the same species? Options: A. interspecific B. intraspecific C. interspecies D. exospecies Which option is correct and why?
The correct answer is: intraspecific.
What are monosaccharides and disaccharides also called?
[ "simple sugars", "simple chemicals", "basic sugars", "complex sugars" ]
simple sugars
Answer the following multiple-choice question. Question: What are monosaccharides and disaccharides also called? Options: A. simple sugars B. simple chemicals C. basic sugars D. complex sugars Which option is correct and why?
The correct answer is: simple sugars.
What are seamounts that rise above the water surface called?
[ "coasts", "islands", "sandbars", "reefs" ]
islands
Answer the following multiple-choice question. Question: What are seamounts that rise above the water surface called? Options: A. coasts B. islands C. sandbars D. reefs Which option is correct and why?
The correct answer is: islands.
What compound or substance can frogs smell and taste?
[ "herbicide", "hydrocarbons", "Chemicals", "Acids", "acetic acid", "an object", "thirst", "Pesticides" ]
Chemicals
Answer the following multiple-choice question. Question: What compound or substance can frogs smell and taste? Options: A. herbicide B. hydrocarbons C. Chemicals D. Acids E. acetic acid F. an object G. thirst H. Pesticides Which option is correct and why?
The correct answer is: Chemicals.
What lens shape corrects myopia?
[ "curve", "convex", "concave", "flat" ]
concave
Answer the following multiple-choice question. Question: What lens shape corrects myopia? Options: A. curve B. convex C. concave D. flat Which option is correct and why?
The correct answer is: concave.
A cartilaginous joint where the bones are joined by fibrocartilage is called a what?
[ "symphysis", "Testes", "mitosis", "vesicles" ]
symphysis
Answer the following multiple-choice question. Question: A cartilaginous joint where the bones are joined by fibrocartilage is called a what? Options: A. symphysis B. Testes C. mitosis D. vesicles Which option is correct and why?
The correct answer is: symphysis.
What are the 2 primary hosts of ebola in central africa?
[ "lions and elephants", "hyenas and apes", "apes and bats", "apes and hippos" ]
apes and bats
Answer the following multiple-choice question. Question: What are the 2 primary hosts of ebola in central africa? Options: A. lions and elephants B. hyenas and apes C. apes and bats D. apes and hippos Which option is correct and why?
The correct answer is: apes and bats.
what has good eyesight and a keen sense of smell?
[ "rabbit", "lizards", "mammals", "h2o", "animals", "tortoises", "snails", "ants" ]
lizards
Answer the following multiple-choice question. Question: what has good eyesight and a keen sense of smell? Options: A. rabbit B. lizards C. mammals D. h2o E. animals F. tortoises G. snails H. ants Which option is correct and why?
The correct answer is: lizards.
A person wants to fix up a fan so that it can run electrically, and finds that in order to do so they require
[ "music", "paper", "distractions", "copper" ]
copper
Answer the following multiple-choice question. Question: A person wants to fix up a fan so that it can run electrically, and finds that in order to do so they require Options: A. music B. paper C. distractions D. copper Which option is correct and why?
The correct answer is: copper.
What is the name of the protective layer of gases that surrounds the earth and blocks harmful rays from the sun?
[ "the coma", "the corona", "the atmosphere", "the protector" ]
the atmosphere
Answer the following multiple-choice question. Question: What is the name of the protective layer of gases that surrounds the earth and blocks harmful rays from the sun? Options: A. the coma B. the corona C. the atmosphere D. the protector Which option is correct and why?
The correct answer is: the atmosphere.
Which of the following converts electrical energy into noise?
[ "a light bulb", "organ", "a motor", "a doorbell", "a generator", "vehicles", "sensory neurons", "engines" ]
a doorbell
Answer the following multiple-choice question. Question: Which of the following converts electrical energy into noise? Options: A. a light bulb B. organ C. a motor D. a doorbell E. a generator F. vehicles G. sensory neurons H. engines Which option is correct and why?
The correct answer is: a doorbell.
Hostility can be one outcome of:
[ "relocation", "behavior research", "decrease stamina", "forces", "fungi", "competition", "tolerance", "Gunshots" ]
competition
Answer the following multiple-choice question. Question: Hostility can be one outcome of: Options: A. relocation B. behavior research C. decrease stamina D. forces E. fungi F. competition G. tolerance H. Gunshots Which option is correct and why?
The correct answer is: competition.
What catalyzes the hydrolysis of amino acids from the n-terminal end of a protein?
[ "nucleic acid", "testosterone", "synthase", "aminopeptidase" ]
aminopeptidase
Answer the following multiple-choice question. Question: What catalyzes the hydrolysis of amino acids from the n-terminal end of a protein? Options: A. nucleic acid B. testosterone C. synthase D. aminopeptidase Which option is correct and why?
The correct answer is: aminopeptidase.
At a convergent plate boundary, when one plate is oceanic, there are large what?
[ "volcanoes", "earthquakes", "lakes", "plateaus" ]
volcanoes
Answer the following multiple-choice question. Question: At a convergent plate boundary, when one plate is oceanic, there are large what? Options: A. volcanoes B. earthquakes C. lakes D. plateaus Which option is correct and why?
The correct answer is: volcanoes.
Which action of the stomach helps chemical digestion by gastric juice?
[ "peristalsis", "churning action", "contraction", "chewing" ]
churning action
Answer the following multiple-choice question. Question: Which action of the stomach helps chemical digestion by gastric juice? Options: A. peristalsis B. churning action C. contraction D. chewing Which option is correct and why?
The correct answer is: churning action.
Why do male gametes swim from male to female reproductive organs?
[ "temperature changes", "to leave the egg", "fertilization", "competition", "it needs them", "to feed", "permineralization", "to heal themselves" ]
fertilization
Answer the following multiple-choice question. 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 Which option is correct and why?
The correct answer is: fertilization.
What makes up most of the inside of a plant?
[ "animal tissue", "star tissue", "ground tissue", "mitochondria" ]
ground tissue
Answer the following multiple-choice question. Question: What makes up most of the inside of a plant? Options: A. animal tissue B. star tissue C. ground tissue D. mitochondria Which option is correct and why?
The correct answer is: ground tissue.
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How do animals lungs help them survive?
[ "they body they live in", "compound of hydrogen oxygen", "They help them drink water", "it keeps an organism warm", "They help them sleep", "prevents the transfer of heat", "They help them breathe", "They help them eat" ]
They help them breathe
Answer the following multiple-choice question. Question: How do animals lungs help them survive? Options: A. they body they live in B. compound of hydrogen oxygen C. They help them drink water D. it keeps an organism warm E. They help them sleep F. prevents the transfer of heat G. They help them breathe H. They help them eat Which option is correct and why?
The correct answer is: They help them breathe.
What does a light bulb require to produce light?
[ "sunlight", "adding heat", "darkness", "motivation", "sun's heat", "fear", "an electron lens", "Power plant" ]
Power plant
Answer the following multiple-choice question. Question: What does a light bulb require to produce light? Options: A. sunlight B. adding heat C. darkness D. motivation E. sun's heat F. fear G. an electron lens H. Power plant Which option is correct and why?
The correct answer is: Power plant.
What brings the building blocks of proteins to the ribosomes in the correct sequence?
[ "recycling", "flow of electrons", "Chemical energy", "it needs them", "an engine", "light energy", "A computer", "molecules of tRNA" ]
molecules of tRNA
Answer the following multiple-choice question. Question: What brings the building blocks of proteins to the ribosomes in the correct sequence? Options: A. recycling B. flow of electrons C. Chemical energy D. it needs them E. an engine F. light energy G. A computer H. molecules of tRNA Which option is correct and why?
The correct answer is: molecules of tRNA.
What makes the halogen group so diverse?
[ "contains alloys", "bonds easily", "three different states of matter", "a single state of matter" ]
three different states of matter
Answer the following multiple-choice question. Question: What makes the halogen group so diverse? Options: A. contains alloys B. bonds easily C. three different states of matter D. a single state of matter Which option is correct and why?
The correct answer is: three different states of matter.
What gas is expired out of the body during exhalation?
[ "carbon dioxide", "oxygen", "carbon monoxide", "hydrogen" ]
carbon dioxide
Answer the following multiple-choice question. Question: What gas is expired out of the body during exhalation? Options: A. carbon dioxide B. oxygen C. carbon monoxide D. hydrogen Which option is correct and why?
The correct answer is: carbon dioxide.
Insects are arthropods in which class?
[ "xerophyte", "hexapoda", "lexapoda", "trichina" ]
hexapoda
Answer the following multiple-choice question. Question: Insects are arthropods in which class? Options: A. xerophyte B. hexapoda C. lexapoda D. trichina Which option is correct and why?
The correct answer is: hexapoda.
Groupings of related organs in the human body are referred to as "organ" what?
[ "bodies", "conditions", "functions", "systems" ]
systems
Answer the following multiple-choice question. Question: Groupings of related organs in the human body are referred to as "organ" what? Options: A. bodies B. conditions C. functions D. systems Which option is correct and why?
The correct answer is: systems.
What are bounces off of mirrors?
[ "energy", "photons", "wind", "sand", "electricity", "heat energy", "balls", "light waves" ]
light waves
Answer the following multiple-choice question. Question: What are bounces off of mirrors? Options: A. energy B. photons C. wind D. sand E. electricity F. heat energy G. balls H. light waves Which option is correct and why?
The correct answer is: light waves.
Ice caps are found only in greenland and which other place?
[ "the tundra", "antarctica", "rainforests", "Siberia" ]
antarctica
Answer the following multiple-choice question. Question: Ice caps are found only in greenland and which other place? Options: A. the tundra B. antarctica C. rainforests D. Siberia Which option is correct and why?
The correct answer is: antarctica.
What has permeable skin?
[ "goats", "alligators", "animals", "apples", "frogs", "sharks", "humans", "snakes" ]
frogs
Answer the following multiple-choice question. Question: What has permeable skin? Options: A. goats B. alligators C. animals D. apples E. frogs F. sharks G. humans H. snakes Which option is correct and why?
The correct answer is: frogs.
What do we call forces that act on the system from outside?
[ "material", "internal", "static", "external" ]
external
Answer the following multiple-choice question. Question: What do we call forces that act on the system from outside? Options: A. material B. internal C. static D. external Which option is correct and why?
The correct answer is: external.
Due to the __________ nature of the lipids that make up cell membranes, polar molecules (such as water) and ions cannot easily diffuse across the cell membrane.
[ "catalytic", "hydrophobic", "saturated", "hydrophylic" ]
hydrophobic
Answer the following multiple-choice question. Question: Due to the __________ nature of the lipids that make up cell membranes, polar molecules (such as water) and ions cannot easily diffuse across the cell membrane. Options: A. catalytic B. hydrophobic C. saturated D. hydrophylic Which option is correct and why?
The correct answer is: hydrophobic.
In the past, what colliding with planet earth has caused many organisms to die off?
[ "asteroids", "acid rain", "meteorites", "the Sun" ]
asteroids
Answer the following multiple-choice question. Question: In the past, what colliding with planet earth has caused many organisms to die off? Options: A. asteroids B. acid rain C. meteorites D. the Sun Which option is correct and why?
The correct answer is: asteroids.
what can acid help dissolve?
[ "drink", "layers of fat", "an object", "a solute", "cartilage", "Sediment", "Bodily water", "roots" ]
cartilage
Answer the following multiple-choice question. Question: what can acid help dissolve? Options: A. drink B. layers of fat C. an object D. a solute E. cartilage F. Sediment G. Bodily water H. roots Which option is correct and why?
The correct answer is: cartilage.
What shape is each face of a tetrahedron?
[ "equilateral triangle", "oval", "trapezoid", "asymmetric triangle" ]
equilateral triangle
Answer the following multiple-choice question. Question: What shape is each face of a tetrahedron? Options: A. equilateral triangle B. oval C. trapezoid D. asymmetric triangle Which option is correct and why?
The correct answer is: equilateral triangle.
An object inside a freezer will become less excited with energy an therefore become
[ "cold", "round", "warm", "nervous" ]
cold
Answer the following multiple-choice question. Question: An object inside a freezer will become less excited with energy an therefore become Options: A. cold B. round C. warm D. nervous Which option is correct and why?
The correct answer is: cold.
In which way do sunspots occur?
[ "in threes", "in fours", "in pairs", "by themselves" ]
in pairs
Answer the following multiple-choice question. Question: In which way do sunspots occur? Options: A. in threes B. in fours C. in pairs D. by themselves Which option is correct and why?
The correct answer is: in pairs.
What is the term for animals that defend their area?
[ "territorial", "contain", "predatory", "Grazing" ]
territorial
Answer the following multiple-choice question. Question: What is the term for animals that defend their area? Options: A. territorial B. contain C. predatory D. Grazing Which option is correct and why?
The correct answer is: territorial.
Terrestrial arthropods generally have internal surfaces specialized for what?
[ "gas exchange", "food gathering", "water uptake", "protection" ]
gas exchange
Answer the following multiple-choice question. Question: Terrestrial arthropods generally have internal surfaces specialized for what? Options: A. gas exchange B. food gathering C. water uptake D. protection Which option is correct and why?
The correct answer is: gas exchange.
The process of photosynthesis uses chlorophyll, which is located in organelles called what?
[ "chloroplasts", "fibroblasts", "mitochondria", "nucleus" ]
chloroplasts
Answer the following multiple-choice question. Question: The process of photosynthesis uses chlorophyll, which is located in organelles called what? Options: A. chloroplasts B. fibroblasts C. mitochondria D. nucleus Which option is correct and why?
The correct answer is: chloroplasts.
What do ants and termites eat to help them digest wood and leaves?
[ "pollen", "berries", "yeast", "fungi" ]
fungi
Answer the following multiple-choice question. Question: What do ants and termites eat to help them digest wood and leaves? Options: A. pollen B. berries C. yeast D. fungi Which option is correct and why?
The correct answer is: fungi.
An example of a ferromagnetic metals could be
[ "wood", "a coin", "plastic", "china plates" ]
a coin
Answer the following multiple-choice question. Question: An example of a ferromagnetic metals could be Options: A. wood B. a coin C. plastic D. china plates Which option is correct and why?
The correct answer is: a coin.
The most common mode of asexual reproduction is through the formation of asexual these?
[ "cells", "atoms", "spores", "fibers" ]
spores
Answer the following multiple-choice question. Question: The most common mode of asexual reproduction is through the formation of asexual these? Options: A. cells B. atoms C. spores D. fibers Which option is correct and why?
The correct answer is: spores.
Where do mammals make urine?
[ "Kidneys", "liver", "alveoli", "bladder", "liquid", "organ", "toilets", "sweating" ]
Kidneys
Answer the following multiple-choice question. Question: Where do mammals make urine? Options: A. Kidneys B. liver C. alveoli D. bladder E. liquid F. organ G. toilets H. sweating Which option is correct and why?
The correct answer is: Kidneys.
When cutting down rain forests, it is important to keep in mind air quality. When too many trees are cut down in a given area, there may be decrease in the air's
[ "quality", "carbon dioxide", "helium amounts", "carbin dioyide levels" ]
quality
Answer the following multiple-choice question. Question: When cutting down rain forests, it is important to keep in mind air quality. When too many trees are cut down in a given area, there may be decrease in the air's Options: A. quality B. carbon dioxide C. helium amounts D. carbin dioyide levels Which option is correct and why?
The correct answer is: quality.
Tissues are organized by what?
[ "cells", "lipids", "structures", "branches" ]
cells
Answer the following multiple-choice question. Question: Tissues are organized by what? Options: A. cells B. lipids C. structures D. branches Which option is correct and why?
The correct answer is: cells.
Iron is used to make
[ "pottery clay for kilns", "baking sheet for cookies", "items that fasten roofing to roofs", "twist ties for bread bags" ]
items that fasten roofing to roofs
Answer the following multiple-choice question. Question: Iron is used to make Options: A. pottery clay for kilns B. baking sheet for cookies C. items that fasten roofing to roofs D. twist ties for bread bags Which option is correct and why?
The correct answer is: items that fasten roofing to roofs.
A nephrologist studies and deals with diseases of what organ?
[ "stomach", "brains", "kidneys", "lungs" ]
kidneys
Answer the following multiple-choice question. Question: A nephrologist studies and deals with diseases of what organ? Options: A. stomach B. brains C. kidneys D. lungs Which option is correct and why?
The correct answer is: kidneys.
When female mammalian embryos consist of just a few thousand cells, one x chromosome in each cell inactivates by condensing into a structure called what?
[ "morton body", "lewy's body", "barr body", "baker body" ]
barr body
Answer the following multiple-choice question. Question: When female mammalian embryos consist of just a few thousand cells, one x chromosome in each cell inactivates by condensing into a structure called what? Options: A. morton body B. lewy's body C. barr body D. baker body Which option is correct and why?
The correct answer is: barr body.
The outer surface of the heart changes from positive to negative during what?
[ "depolarization", "inflammation", "permeability", "reproduction" ]
depolarization
Answer the following multiple-choice question. Question: The outer surface of the heart changes from positive to negative during what? Options: A. depolarization B. inflammation C. permeability D. reproduction Which option is correct and why?
The correct answer is: depolarization.
A frog was sick because it wasn't staying warm enough.
[ "The frog was getting burned by a heat lamp", "The water in the tank had dried up.", "the frog was unable to regulate its body temperature without an external heat source", "The frog was using too much ice in its drinks" ]
the frog was unable to regulate its body temperature without an external heat source
Answer the following multiple-choice question. Question: A frog was sick because it wasn't staying warm enough. Options: A. The frog was getting burned by a heat lamp B. The water in the tank had dried up. C. the frog was unable to regulate its body temperature without an external heat source D. The frog was using too much ice in its drinks Which option is correct and why?
The correct answer is: the frog was unable to regulate its body temperature without an external heat source.
What stage in human males lasts from about ages 12 to 18 years and is controlled by hormones?
[ "adolescence", "maturity", "childhood", "puberty" ]
puberty
Answer the following multiple-choice question. Question: What stage in human males lasts from about ages 12 to 18 years and is controlled by hormones? Options: A. adolescence B. maturity C. childhood D. puberty Which option is correct and why?
The correct answer is: puberty.
What has a negative impact on water quality?
[ "rain", "harmful substances", "rain below 5.6 pH", "sleet", "fossil fuels", "Burning fuel and air", "snow", "decaying trees" ]
rain below 5.6 pH
Answer the following multiple-choice question. Question: What has a negative impact on water quality? Options: A. rain B. harmful substances C. rain below 5.6 pH D. sleet E. fossil fuels F. Burning fuel and air G. snow H. decaying trees Which option is correct and why?
The correct answer is: rain below 5.6 pH.
What's it called when gases turn back into liquids?
[ "diffusion", "evaporation", "condensation", "dehydration" ]
condensation
Answer the following multiple-choice question. Question: What's it called when gases turn back into liquids? Options: A. diffusion B. evaporation C. condensation D. dehydration Which option is correct and why?
The correct answer is: condensation.
Unlike other tetrapod vertebrates (reptiles, birds, and mammals), amphibians do not produce what type of eggs?
[ "prokaryotic", "epithelial", "umbilical", "amniotic" ]
amniotic
Answer the following multiple-choice question. Question: Unlike other tetrapod vertebrates (reptiles, birds, and mammals), amphibians do not produce what type of eggs? Options: A. prokaryotic B. epithelial C. umbilical D. amniotic Which option is correct and why?
The correct answer is: amniotic.
How many different main types of diabetes are there?
[ "three", "two", "ten", "four" ]
two
Answer the following multiple-choice question. Question: How many different main types of diabetes are there? Options: A. three B. two C. ten D. four Which option is correct and why?
The correct answer is: two.
What can be described as a tiny male gametophyte enclosed in a tough capsule?
[ "seed", "cell", "grain of pollen", "dna" ]
grain of pollen
Answer the following multiple-choice question. Question: What can be described as a tiny male gametophyte enclosed in a tough capsule? Options: A. seed B. cell C. grain of pollen D. dna Which option is correct and why?
The correct answer is: grain of pollen.
What use energy and minerals to make food?
[ "trees", "plant life", "humans", "producers", "bears", "elephants", "Most plants", "ferns" ]
producers
Answer the following multiple-choice question. Question: What use energy and minerals to make food? Options: A. trees B. plant life C. humans D. producers E. bears F. elephants G. Most plants H. ferns Which option is correct and why?
The correct answer is: producers.
Where does silt come from?
[ "loose soil", "Rocks breaking down", "salt and water.", "The area was once underwater", "A lot of rain", "Dry air", "Hot temperatures", "tectonic plates coliding" ]
Rocks breaking down
Answer the following multiple-choice question. Question: Where does silt come from? Options: A. loose soil B. Rocks breaking down C. salt and water. D. The area was once underwater E. A lot of rain F. Dry air G. Hot temperatures H. tectonic plates coliding Which option is correct and why?
The correct answer is: Rocks breaking down.
Triploblasts include a broad range of animals, from flatworms to arthropods to what?
[ "vertebrates", "cells", "invertebrates", "mammals" ]
vertebrates
Answer the following multiple-choice question. Question: Triploblasts include a broad range of animals, from flatworms to arthropods to what? Options: A. vertebrates B. cells C. invertebrates D. mammals Which option is correct and why?
The correct answer is: vertebrates.
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What works by summing kinetic energy and potential energy?
[ "Riding a bike", "transportation technology", "adding heat", "an automobile engine", "circulatory systems", "a hydraulic system", "Thyroid-stimulating hormone", "heterotrophs" ]
an automobile engine
Answer the following multiple-choice question. Question: What works by summing kinetic energy and potential energy? Options: A. Riding a bike B. transportation technology C. adding heat D. an automobile engine E. circulatory systems F. a hydraulic system G. Thyroid-stimulating hormone H. heterotrophs Which option is correct and why?
The correct answer is: an automobile engine.
An example of combined substances could be
[ "diamonds", "tin", "cake", "water" ]
cake
Answer the following multiple-choice question. Question: An example of combined substances could be Options: A. diamonds B. tin C. cake D. water Which option is correct and why?
The correct answer is: cake.
What is required between cytoskeleton and motor proteins for cell motility?
[ "translation", "absorption", "interaction", "inhibition" ]
interaction
Answer the following multiple-choice question. Question: What is required between cytoskeleton and motor proteins for cell motility? Options: A. translation B. absorption C. interaction D. inhibition Which option is correct and why?
The correct answer is: interaction.
What have no backbone?
[ "insects", "mammals", "arthropods", "humans", "barnacles", "fur seals", "graptolites", "bears" ]
arthropods
Answer the following multiple-choice question. Question: What have no backbone? Options: A. insects B. mammals C. arthropods D. humans E. barnacles F. fur seals G. graptolites H. bears Which option is correct and why?
The correct answer is: arthropods.
Producers in the food chain
[ "are self sufficient", "rely on predators", "struggle to survive", "decompose organisms" ]
are self sufficient
Answer the following multiple-choice question. Question: Producers in the food chain Options: A. are self sufficient B. rely on predators C. struggle to survive D. decompose organisms Which option is correct and why?
The correct answer is: are self sufficient.
Consumers eat other what?
[ "islands", "winds", "currents", "fauna" ]
fauna
Answer the following multiple-choice question. Question: Consumers eat other what? Options: A. islands B. winds C. currents D. fauna Which option is correct and why?
The correct answer is: fauna.
An Afghan Hound get all its hair from
[ "its parents", "the water", "the sun", "its siblings" ]
its parents
Answer the following multiple-choice question. Question: An Afghan Hound get all its hair from Options: A. its parents B. the water C. the sun D. its siblings Which option is correct and why?
The correct answer is: its parents.
What does logging cause animals to do?
[ "use oxygen, release carbon", "Plant growth is reduced", "hide", "eat", "erode", "move to find shelter.", "Destroy crops", "Converting waste." ]
move to find shelter.
Answer the following multiple-choice question. Question: What does logging cause animals to do? Options: A. use oxygen, release carbon B. Plant growth is reduced C. hide D. eat E. erode F. move to find shelter. G. Destroy crops H. Converting waste. Which option is correct and why?
The correct answer is: move to find shelter..
What binds together to form RNA and DNA
[ "nucleotides", "they bend", "electrically", "Most plants", "pollen", "orchids", "acetic acid", "peachleaf willow" ]
nucleotides
Answer the following multiple-choice question. Question: What binds together to form RNA and DNA Options: A. nucleotides B. they bend C. electrically D. Most plants E. pollen F. orchids G. acetic acid H. peachleaf willow Which option is correct and why?
The correct answer is: nucleotides.
Bonding in molecules with resonance forms is better described by which theory?
[ "Pascal's theory", "Geiger theory", "molecular orbital theory", "string theory" ]
molecular orbital theory
Answer the following multiple-choice question. Question: Bonding in molecules with resonance forms is better described by which theory? Options: A. Pascal's theory B. Geiger theory C. molecular orbital theory D. string theory Which option is correct and why?
The correct answer is: molecular orbital theory.
What effect could more active plate tectonics have on the earth?
[ "rapid expansion", "Decreased precipitation", "a tree falling", "the production of heat", "Lower average temperature", "Physical weathering", "a lot of human deaths", "Plant growth is reduced" ]
Lower average temperature
Answer the following multiple-choice question. Question: What effect could more active plate tectonics have on the earth? Options: A. rapid expansion B. Decreased precipitation C. a tree falling D. the production of heat E. Lower average temperature F. Physical weathering G. a lot of human deaths H. Plant growth is reduced Which option is correct and why?
The correct answer is: Lower average temperature.
if a habitat can no longer support animals then what is required?
[ "burrowing", "energy", "expulsion", "Energy.", "animal behavior", "relocation", "fossil fuels", "kinetic energy" ]
relocation
Answer the following multiple-choice question. Question: if a habitat can no longer support animals then what is required? Options: A. burrowing B. energy C. expulsion D. Energy. E. animal behavior F. relocation G. fossil fuels H. kinetic energy Which option is correct and why?
The correct answer is: relocation.
If two hawks find a dead fox, they will
[ "eat", "battle", "starve", "fly" ]
battle
Answer the following multiple-choice question. Question: If two hawks find a dead fox, they will Options: A. eat B. battle C. starve D. fly Which option is correct and why?
The correct answer is: battle.
The electron transport chains are located on the inner membrane of which organelle?
[ "mitochondrion", "chloroplast", "lysosome", "axon" ]
mitochondrion
Answer the following multiple-choice question. Question: The electron transport chains are located on the inner membrane of which organelle? Options: A. mitochondrion B. chloroplast C. lysosome D. axon Which option is correct and why?
The correct answer is: mitochondrion.
What are the two types of fermentation?
[ "lactic acid and fermaldehyde", "acetic and anhydrous", "lactic acid and alcoholic", "alcoholic and alchemical" ]
lactic acid and alcoholic
Answer the following multiple-choice question. Question: What are the two types of fermentation? Options: A. lactic acid and fermaldehyde B. acetic and anhydrous C. lactic acid and alcoholic D. alcoholic and alchemical Which option is correct and why?
The correct answer is: lactic acid and alcoholic.
What provides an early, rapid, and nonspecific defense against invading pathogens?
[ "toxins", "neutrophils", "bacteria", "microorganisms" ]
neutrophils
Answer the following multiple-choice question. Question: What provides an early, rapid, and nonspecific defense against invading pathogens? Options: A. toxins B. neutrophils C. bacteria D. microorganisms Which option is correct and why?
The correct answer is: neutrophils.
What is essential for forming new genes?
[ "enough mutations", "chromosome deversity", "enough chromosomes", "large mutations" ]
large mutations
Answer the following multiple-choice question. Question: What is essential for forming new genes? Options: A. enough mutations B. chromosome deversity C. enough chromosomes D. large mutations Which option is correct and why?
The correct answer is: large mutations.
Arterioles carry what type of blood?
[ "epidermal", "Carbon Dioxide", "Plasma", "Oxygen-rich", "oxygen", "heat or cold", "aqueous solution", "Type AB" ]
Oxygen-rich
Answer the following multiple-choice question. Question: Arterioles carry what type of blood? Options: A. epidermal B. Carbon Dioxide C. Plasma D. Oxygen-rich E. oxygen F. heat or cold G. aqueous solution H. Type AB Which option is correct and why?
The correct answer is: Oxygen-rich.