8 Pages

Group Selection and Kin Selection: A Rejoinder

ByJ. Maynard Smith

Wynne-Edwards has argued persuasively for the importance of behavior in regulating the density of animal populations, and has suggested that since such behavior favors the survival of the group and not of the individual it must have evolved by a process of group selection. It is the purpose of this communication to consider how far this is likely to be true.