I agree, Yvain said it first, and it doesn’t sound like group selection.
Concerning your group selection comment, that does sound plausible… but being relatively unfamiliar with tribal behavior, I would want to be sure that greedy genes were not spreading between groups before concluding that group selection could actually occur.
I agree, Yvain said it first, and it doesn’t sound like group selection.
Concerning your group selection comment, that does sound plausible… but being relatively unfamiliar with tribal behavior, I would want to be sure that greedy genes were not spreading between groups before concluding that group selection could actually occur.