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Biology 172 Final Exam with verified answers

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Biology 172 Final Exam with verified answers

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Biology 172 Final Exam with
verified answers

Which of the following is the definition of evolution? - correct answer ✔(A) A
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change in the genetic composition of a population.
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Which of the following is the definition of population? - correct answer ✔(B) A
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group of potentially interbreeding individuals capable of producing fertile and
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viable offspring. ||||||




If you were measuring the number of fertile and viable offspring produced by
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an individual over their lifetime, what would you be measuring? - correct
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answer ✔(E) None of the above. |||||| |||||| |||||| |||||| ||||||




Options: ||||||




(A) Phenotypic variation.
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(B) Adaptation.
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(C) Selection.
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(D) Survivorship. ||||||




(E) None of the above.
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,In evolutionary biology, when we discuss the environment as the factor which
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drives evolution by natural selection, we must recognize the environment
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includes both physical and biological factors. - correct answer ✔(A) True. |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




A selection agent is an environmental variable which causes differential fitness
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within a population. - correct answer ✔(A) True. |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Of the individuals below, who was responsible for first developing the idea of
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Gradualism (which was later slightly modified and known as |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Uniformitarianism)? - correct answer ✔(C) Hutton |||||| |||||| |||||| |||||| ||||||




Of the individuals below, who was responsible for developing the taxonomic
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system and the concept of binomial nomenclature used today? - correct answer
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✔(A) Linnaeus
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Which of the following individuals was responsible for developing the concept
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of the "Struggle for Existance"? - correct answer ✔(E) Malthus
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Your Grandmother called and asked, "dear, if a giraffe spent much of its pre-
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




adult life stretching its neck while reaching fro higher leaves and its neck
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elongated 20" over this time period, would its offspring possess longer necks as |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




a result?". Given your modern knowledge of natural selection and evolution,
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how would you reply? - correct answer ✔(D) The change in a character, or the
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acquisition of a new character, within an individuals lifetime and due to the |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




individuals environment, cannot be inherited by offspring. |||||| |||||| |||||| |||||| |||||| ||||||




Science makes progress (demonstrates new cause and effect relationships) by|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




rejecting null hypotheses. - correct answer ✔(A) True |||||| |||||| |||||| |||||| |||||| |||||| ||||||

, Which of the following is not one of the prerequisites in Darwin's natural
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selection mechanism? - correct answer ✔(C) The heritability of the trait includes |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




the interaction of dominant and recessive alleles.
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Lamarck should be given credit, because like Darwin, he recognized... - correct |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




answer ✔(C) An organisms interaction with the changing environment drives |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




evolution.


All of the following were strong influences on Darwin except... - correct answer
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✔(D) Linnaeus ||||||




What are the two sources of variation that contribute to the variation one can
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observe among the members of a population? - correct answer ✔(B) Genetic |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




and environmental variation. |||||| ||||||




If one is going to attempt to investigate whether a population has evolved by
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natural selection, which of the following would be required? - correct answer |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




✔(E) All of the above. |||||| |||||| |||||| ||||||




Options: ||||||




(A) Demonstrate at least one character has changed.
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(B) Demonstrate the heritability of the character.
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(C) Demonstrate variation in the character causes variation in fitness
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(differential fitness). ||||||




(D) Identify the selection agent.
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(E) All of the above.
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