Adaptation and natural selection: A new look at some old ideas

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The debate between individual-and group-selection perspectives centers on the probability that group selection played a major role in evolution, which may depend on the species being studied. To explore the viability of group selection for altruism, I present fitness indexes for altruists, nonaltruists, and groups when the parameters of costs, benefits, and proportion of altruists in a group are varied. © 1994, Cambridge University Press. All rights reserved.

Original languageEnglish (US)
Pages (from-to)634-636
Number of pages3
JournalBehavioral and Brain Sciences
Issue number4
StatePublished - 1994


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