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Evolutionary Perspectives

Evolutionary Perspectives - Evolutionary Perspective...

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Evolutionary Perspective q Evolution q Sexual Selection q Natural Selection q Human Nature
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Evolution Human nature and human personality made up of a collection of evolved mechanisms. Changes or variants that better enabled an organism to survive and reproduce lead to more descendants. Over time, successful variants come to characterize entire species.
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Sexual Selection Darwin noticed that many mechanisms seemed to threaten survival, such as the peacock’s elaborate plumage and the stag’s large antlers. Darwin proposed evolution by sexual selection as a solution. Two forms of sexual selection: Intrasexual competition : Members of the same sex compete with each other for sexual access to members of the other sex. Intersexual competition : Members of one sex choose a mate based on their preferences for particular qualities in that mate.
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Genes and Inclusive Fitness Gene: Packet of DNA inherited by children from parents; smallest discrete unit inherited without being broken up
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