Chapter 11. Kin Selection and Social Behavior. Interactions between individuals can have 4 possible outcomes in terms of fitness gains for the participants. Kin Selection and Social Behavior. Cooperation ( mutualism ): fitness gains for both participants.
Figure shows B/C benefit to cost ratio of investing in the current offspring.
Benefit is measured in benefit to current offspring and cost is measured
in reduction in future offspring.
of how frequently two
associate with regularly.