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Animal Behavior (Learning establishes specific links between experience…
Animal Behavior
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Genetic analyses and the concept of inclusive fitness provide a basis for studying the evolution of behavior
Hamilton’s rule states that natural selection favors altruism when the benefit to the recipient multiplied by the coefficient of relatedness exceeds the cost to the altruist—in other words, when rB > C.
Natural selection that favors altruistic behavior by enhancing the reproductive success of relatives is called kin selection.
Inclusive fitness is defined as the total effect an individual has on proliferating its own genesby reproducing and by helping close relatives produce offspring
The coefficient of relatedness is r, the fraction of genes that, on average, are shared.
This exchange of aid is called reciprocal altruism and is commonly used to explain altruism between unrelated humans.
Human culture is related to evolutionary theory in the discipline of sociobiology, whose main premise is that certain behavioral characteristics exist because they are expressions of genes that have been perpetuated by natural selection.
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