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3.b A) overproduction, variation, inherited variation, natural selection B) adaptation, natural selection C) overproduction, adaptation, evolution D) adaptation, evolution 2.
3.b A) run faster B) grow larger C) survive and reproduce at a greater rate D) are stronger 3.
3.a A) camouflage B) structural adaptation C) mimicry D) behavioral adaptation 4.
3.a A) behavioral adaptation B) mimicry C) structural adaptation D) camouflage 5.
3.a A) camouflage B) species C) fossils D) evolution 6.
3.a A) camouflage B) structural adaptation C) mimicry D) behavioral adaptation 7.
3.a A) embryology B) fossils C) adaptation D) climatic change 8.
3.e A) meteorites B) human activities C) volcanoes D) dust and ash 9.
3.a A) genetic variation B) environmental variation C) natural variation D) evolutionary variation 10.
3.b A) Evolution B) The Origin of Species by Natural Selection C) HMS Beagle D) Galapagos Tortoises and Finches 11.
3.a A) Natural selection B) Evolution C) Heredity D) Mutation 12.
3.b A) Insects that blend into trees survive because they are not seen, and thus not eaten, by birds. B) Giraffes that stretch their necks have necks that grow longer. C) A breeder of cats specifically chooses cats to breed that have long, white fur. D) Native Americans do not kill an albino animal because it is thought to be bad luck. 13.
3.b A) selective breeding B) adaptive radiation C) extinction D) phenotype variability 14.
3.e A) mutation B) natural selection C) extinction D) selective breeding 15.
3.a A) species B) hypothesis C) element D) adaptation 16.
3.b A) Species evolve to survive in their environment. B) Different species in the same environment are similar. C) The environment changed allowing species to survive. D) Species become extinct after awhile. 17.
3.a A) The population of white mice will most likely increase. B) The population of white mice will most likely stay the same. C) The population of white mice will most likely decrease. D) The population of hawks will most likely decrease. 18.
3.e A) threatened B) stable C) endangered D) extinct 19.
3.a A) to increase variations B) to produce mutations C) to reduce sexual reproduction D) to continue desired traits 20.
3.b A) A group becomes separated and they evolve until they cannot interbreed with the original population. B) A dog breeder makes a new breed of dog that looks different from all the others. C) A scientist in a laboratory develops a new species. D) Two different species develop in such a way that they look the same.
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