A) extinction.
B) evolution.
C) coevolution.
D) adaptation.
E) mutation.
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Multiple Choice
A) egg-laying ability
B) teeth
C) feathers
D) bony tail
E) claws on forelimbs
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Multiple Choice
A) Convergent evolution occurs when two species living in the same area become reproductively isolated.
B) Convergent evolution occurs when two species living in different areas become reestablished and are able to reproduce.
C) Convergent evolution occurs when two species living in the same area are competing for the same resource thus causing one to evolve away from the other.
D) Convergent evolution occurs when two species living in different areas evolve similarities through natural selection acting on those characteristics.
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Multiple Choice
A) Kettlewell.
B) Lamarck.
C) Darwin.
D) Tutt.
E) WallacE.
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A) analogous structures.
B) homologous structures.
C) vestigial structures.
D) embryonic structures.
E) homozygous structures.
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A) fossil record
B) homology
C) convergent evolution
D) biogeography
E) development
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Multiple Choice
A) Birds with large beaks are favored during wet years.
B) Birds with small beaks are favored in dry years.
C) Birds with large beaks are favored during dry years.
D) Birds with either size beak (large or small) are favored equally.
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Multiple Choice
A) the fossil record.
B) the molecular record.
C) homology.
D) development.
E) vestigial structures.
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Multiple Choice
A) describing the color change induced by living in industrialized areas.
B) explaining that the darker moths have higher mutation rates because of industrialization.
C) describing the evolutionary process in which initially light-colored organisms become dark as a result of natural selection.
D) explaining that the darker moths having higher reproductive success because of their pigmentation.
E) describing the widespread implementation of pollution controls.
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Multiple Choice
A) a recent shared common ancestor.
B) dissimilar selection pressures.
C) the physical properties of water.
D) the need to escape fast-moving predators.
E) intelligent design.
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A) Do not share a recent common ancestor.
B) Must be found in the same biogeographical region.
C) Subject to similar selection pressures.
D) Have similar phenotypes.
E) Can share homologous structures.
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Multiple Choice
A) can be dated only with one layer in relation to older layers below and younger layers above,no actual dates can be estimated.
B) can be dated reasonably well only with uranium-238.
C) can be dated reasonably well using a variety of radioactive isotopes with known half-lives.
D) can be dated precisely,to within a single year,using radioactive isotopes.
E) can be dated precisely,to within a single year,using DNA hybridization.
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Multiple Choice
A) analogous structures.
B) homologous structures.
C) vestigial structures.
D) embryonic structures.
E) homozygous structures.
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Multiple Choice
A) Variation must exist in the population.
B) Variation among individuals must be genetically transmissible to the next generation.
C) Variation among individuals leads to differences in lifetime reproductive success.
D) More individuals are produced each generation than the environment can support,resulting in competition for survival.
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Multiple Choice
A) Bristle number is likely determined by multiple genes.
B) Some experiments used directional selection.
C) Some experiments used disruptive selection.
D) Large changes in bristle number took place within 35 generations.
E) At the end of the experiment,were unable to interbreed with wild type flies.
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Multiple Choice
A) absolutely no data to prove or disprove the theory of evolution.
B) it takes thousands to millions of generations to see evolutionary change,if at all.
C) dramatic variation may be present within a population,but may not be observable unless strong selection occurs.
D) dramatic mutations may occur within a population under strong selection.
E) although evolutionary change was observed,this would not be expected in higher organisms such as micE.
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Multiple Choice
A) analogous structures.
B) homologous structures.
C) vestigial structures.
D) homeotic mutations.
E) acquired structures.
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A) peas.
B) tomatoes.
C) potatoes.
D) corn.
E) asparagus.
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Multiple Choice
A) the fossil record.
B) homologous structures.
C) the molecular record.
D) intelligent design.
E) vestigial structures.
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Multiple Choice
A) abundance of lichens on trees
B) greater camouflage of the dark moths on trees in polluted woodlands
C) darkening of bark surfaces by pollutants
D) greater crypticity of the light moths on trees in unpolluted woodlands
E) differential predation by birds
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