In this HOT perspective by Vidyanand Nanjundiah and Santosh Sathe, Indian Institute of Science, Bangalore, the social selection and evolution of cooperative groups of cellular slime moulds are described.
individuals that happen to be in spatial proximity benefit simply by virtue of their number;
traits that are already present act as preadaptations and improve the efficiency of the group;
new adaptations evolve under selection in the social context, i.e., via interactions between individuals, thus further strengthening group behaviour.
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Social selection and the evolution of cooperative groups: The example of the cellular slime moulds
Vidyanand Nanjundiaha and Santosh Satheb
Integr. Biol., 2011, 3, 329-342
This article was published as part of a themed issue in honor of Mina J. Bissell.