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Questions for discussion 4 (key)

Questions for discussion 4 (key) - Questions for discussion...

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Questions for discussion 4 12. Which of the following forms is the correct way to write the name given to the domestic cat in the binomial system of nomenclature? a. Felis domestica b. Felis Domestica c. felis domestica d. Felis domestica e. felis domestica 17. ________ is the effect produced when a bee carries pollen from one population to another. a. Gene flow b. A population bottleneck c. Genetic drift d. Genetic equilibrium e. Non‐random mating 18. ________ selection occurs when the extremes of a population contribute relatively few offspring to the next generation as compared to average members of the population. a. Corrective b. Directional c. Stabilizing d. Disruptive e. Natural 19. Selection acts on ______ variation; however, evolution depends on ______ variation. a. phenotypic; genetic b. genetic; phenotypic c. genetic; environmentally‐induced d. environmentally‐induced; phenotypic e. environmentally‐induced; genetic 20. A gene pool consists of all the alleles a. of an individual’s genotype. b. present in a specific population. c. that occur in a species throughout its evolutionary existence. d. that contribute to the next generation of a population. e. of a biome.
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21. A mutation occurs in one of your lung cells. Which of following is true? a. You have evolved to be better adapted to your environment. b. You will soon die because most mutations are lethal. c. You will be sterile and no longer be able to have children. d. The human species will have evolved because this mutation will be passed on to your children. e. This mutation does not affect human evolution because it will not be passed on to your offspring. 22. Natural selection acts directly on the a. genotype to produce new mutations. b. phenotype to produce new muations. c. genotype to favor existing mutations. d. phenotype to favor traits due to existing mutations. e. genotype to inhibit new mutations. 23. Species that are in the same _________ are more closely related than species that are only in the same ________. a. class … order b. kingdom . .. phylum c. family … order d. phylum … class e. family … genus 24. Which of the following factors probably was not important in the formation of the many species of Darwin’s finches on the Galapagos Islands? a. Geographical isolation from the mainland b. Polyploidy c. Different habitats on the different islands d. Geographical isolation of one island from another e. Different food supplies on the different islands 25. Which of the following is a prezygotic isolation mechanism?
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Questions for discussion 4 (key) - Questions for discussion...

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