The female will have sex with the one who requested help. Those who give help are much more likely to receive help. Politics A study has shown that chimpanzees not only reciprocate their shared endeavors, but they also recruit the aid of others in an attempt to keep control of group status and mating dominance. C. Social Contract Theory 1. Reciprocal altruism benefits organisms, however, the reciprocal is not always now.
Cheaters benefit over cooperators for they benefit twofold.
Adaptation teaches us to avoid cheaters. Motivations to create social contacts and avoid cheaters. The ability to recognize many different individuals. The ability to remember some aspects of interactions with different individuals. The ability to communicate one s values to others.