Inclusive Fitness and Kin Selection - Anthropology

Inclusive Fitness and Kin Selection - Anthropology -...

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Anthropology 116 – Inclusive Fitness and Kin Selection Darwin’s Dilemma o Selfish competition was the basis of natural selection o What about altruism? o Cooperation …mutual grooming Potential interactions Actor Recipient Selfish + - Cooperative (Mutual) + + Altruistic - + Spiteful - - o MAD – Mutually assured destruction (United States Soviet conflict) Potential units of selection: o Group: Individuals are altruistic for the good of the group Self-restraint results in populations not over using their resources o Individual o Gene Ex: Parus Major – Physiological constraint? As long as eggs were removed the birds kept reproducing and creating eggs. So why were they restricting their reproduction? o Wynn-Edwards: Because of group selection they did not want to over-use their resources by producing too many eggs Optimal versus maximum reproduction: o Offspring mortality and survivorship o For lizards, the more offspring produced leads to a lower level of
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This note was uploaded on 02/25/2012 for the course ANTH 1312 taught by Professor Agwuele during the Fall '08 term at Texas State.

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Inclusive Fitness and Kin Selection - Anthropology -...

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