Assertion: altruism | /r/DefinedAs | act
Facets:
Source sentences:
text: Altruism is defined as an act that does not benefit the individual that performs it.
text: The concept of "reciprocal altruism", as introduced by Trivers, suggests that altruism, defined as an act of helping another individual while incurring some cost for this act, could have evolved since it might be beneficial to incur this cost if there is a chance of being in a reverse situation where the individual who was helped before may perform an altruistic act towards the individual who helped them initially.
text: Some wildlife researchers believe that altruism—defined as an act in which an animal sacrifices its own well-being for the benefit of another animal—is a well-documented behavior.