Altruistic behavior

Japanese: 利他的行動 - りたてきこうどう
Altruistic behavior
Also known as altruistic behavior. Behavior that benefits other individuals without considering any disadvantage to oneself. Typical examples are the raising of young and helper behavior by workers of social insects (ant and bee workers). When altruistic behavior is exchanged between individuals, such as grooming, it is called reciprocal altruism. The evolution of altruistic behavior is generally explained by the kin selection theory.
→ Related topics Inclusive fitness | Selfish genes

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:
利他行動とも。自らの不利益をかえりみず他の個体に利益をもたらす行動。社会性昆虫のワーカー(働きアリや働きバチ)による子の養育,ヘルパー行動が典型的なもの。グルーミングのように個体間で利他的行動がやりとりされる場合は互恵的利他行動と呼ばれる。一般に利他的行動の進化は,血縁淘汰説などによって説明される。
→関連項目包括適応度|利己的遺伝子

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