OVERLAPPING GENERATIONS CAN PROMOTE ALTRUISTIC BEHAVIOR

P. Taylor,A. Irwin

Published 2000 in Evolution; international journal of organic evolution

ABSTRACT

Abstract We use an inclusive fitness model to study the evolution of altruism in a patch-structured population in which there is positive probability of breeder survival from one generation to the next. We find first that breeder survival promotes altruism and second that there is a marked difference between benefits of fecundity and benefits of survival. Under the first altruism is more strongly favored, and under the second altruism is less strongly favored than in a randomly mixing population. Corresponding Editor: L. Stevens

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