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Unformatted text preview: choice. intrasexual selection A direct competition among individuals of one sex (usually the males in vertebrates) for mates of the opposite sex. kin selection Natural selection that favors altruistic behavior by enhancing the reproductive success of relatives. Kinesis (kuh-ne-sis) A change in activity or turning rate in response to a stimulus. Landmark A location indicatora point of reference for orientation during navigation....
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- Spring '10