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Social Evolution

by Wali Memon, MA, M.Eng.,MBA,P.Eng. , Management at Management and Leadership on Sep 22, 2012

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Social evolution is a sub discipline of evolutionary biology that is concerned with social behaviors that have fitness consequences for individuals other than the actor. Social behaviors can be ...

Social evolution is a sub discipline of evolutionary biology that is concerned with social behaviors that have fitness consequences for individuals other than the actor. Social behaviors can be categorized according to the fitness consequences they entail for the actor and recipient.
Mutually beneficial – a behavior that increases the direct fitness of both the actor and the recipient
Selfish – a behavior that increases the direct fitness of the actor, but the recipient suffers a loss
Altruistic – a behavior that increases the direct fitness of the recipient, but the actor suffers a loss
Spiteful – a behavior that decreases the direct fitness of both the actor and the recipient

This classification was proposed by W. D. Hamilton. Citation needed] He proposes that natural selection favors mutually beneficial or selfish behaviors. Hamilton's insight was to show how kin selection could explain altruism and spite.

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