Levels of Selection, Altruism, and Primate Behavior

  title={Levels of Selection, Altruism, and Primate Behavior},
  author={Brenda J. Bradley},
  journal={The Quarterly Review of Biology},
  pages={171 - 194}
  • B. Bradley
  • Published 1 June 1999
  • Psychology, Biology
  • The Quarterly Review of Biology
Altruistic behaviors seem anomalous from a traditional view of Darwinian natural selection, and evolutionary explanations for them have generated much discussion. The debate centers around four major explanations: classic individual-level selection, reciprocity and game theory, kin selection, and trait-group selection. The historical context and defining criteria of each model must be reviewed before its validity can be assessed. Of these proposed mechanisms, group selection historically has… 
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