BIOL 300 Chapter Notes - Chapter 5: Natural Selection, Group Selection, Homo Sapiens
Document Summary
Animals balance aggression and peaceful behavior as if social interaction were a game. Powerful way of explaining social interactions, contrary to group selection. Theories used to explain people in economic situations called game theory. Same kind of decision rules that seem to guide how individuals interact while competing for resources can be used for non-human species. 2 people in crime get arrested, but weak evidence against them both. Case is reinforced if one cooperates with the police in exchanged. 20. 9 fitness depends on strategies that specify an animal"s behavior in its conflicts for a reduced sentence. Noise is used to make adversary give up. One individual gives up and gets the resource. Dove strategy isn"t good as hawk can be introduced. 20. 10 violent behavior is rare if the costs of injury are greater than the benefits of victory. 20. 11 natural selection may favor the retaliator strategy, which is peaceful unless attacked. Population of retaliators, where a dove invades.
