Reciprocal Altruism - Wikipedia - en.wikipedia.org  ## Metadata - Author: **en.wikipedia.org** - Full Title: Reciprocal Altruism - Wikipedia - Category: #articles - URL: https://en.wikipedia.org/wiki/Reciprocal_altruism ## Highlights - In evolutionary biology, reciprocal altruism is a behaviour whereby an organism acts in a manner that temporarily reduces its fitness while increasing another organism's fitness, with the expectation that the other organism will act in a similar manner at a later time. - Tags: #biology #evolution #game-theory