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How Humans Evolved Study Set 1

Biology

Quiz 7 :

The Evolution of Cooperation

Quiz 7 :

The Evolution of Cooperation

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Kin selection predicts that
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Answer:

B

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Imagine that an alarm caller sacrifices its life to save other conspecifics. According to Hamilton's rule, how many full siblings would it have to save for the behavior to be favored, and why?
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Answer:

C

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The key to the evolution of altruism is that
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Answer:

A

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Imagine a primate species where a female caregiver often helps raise another female's offspring in a way that reduces her fitness by 10% and increases the fitness of the recipient by 25%. According to Hamilton's rule, in which of the following scenarios could this behavior evolve?
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The coefficient of relatedness (r) between full siblings in primates is
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When group selection and individual selection are opposed, which of the following occurs?
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Which of the following statements correctly describes the coefficient of relatedness (r)?
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The coefficient of relatedness (r) between mother and son in primates is
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By definition, which of the following is true of altruistic behaviors?
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Which of the following is true of group selection?
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Altruistic behavior is
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The coefficient of relatedness (r) is a measure of
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Which of the following statements about coalitions among male baboons is correct?
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Imagine a primate caregiver who helps raise a conspecific's offspring. Such caregiving reduces her fitness by 50% and increases the fitness of the conspecific by 50%. According to Hamilton's rule, is there a type of group in which this behavior will be favored by kin selection?
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Hamilton's rule states that
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Altruism at first was a puzzle to evolutionary biologists because it should
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Which of the following is true of mutualistic behaviors?
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Two unrelated male baboons work together to guard a female in estrus to keep away a more dominant male. This is an example of
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Although alarm calling benefits the whole group, it cannot be explained by group selection because
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Which of the following is true of altruism?
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