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  2. Altruism (biology) - Wikipedia

    en.wikipedia.org/wiki/Altruism_(biology)

    Altruism (biology) Olive baboons grooming. In biology, altruism refers to behaviour by an individual that increases the fitness of another individual while decreasing their own. [1] Altruism in this sense is different from the philosophical concept of altruism, in which an action would only be called "altruistic" if it was done with the ...

  3. Reciprocal altruism in humans - Wikipedia

    en.wikipedia.org/wiki/Reciprocal_altruism_in_humans

    E.O. Wilson applied the term of ″sociobiology″ as an attempt to explain social behavior of insect and thus explored the evolutionary mechanism of other animals including human such as the social behavior, altruism. He argued that human altruistic behavior, as one of the human nature characteristics, is the result of the genetic inheritance.

  4. Reciprocal altruism - Wikipedia

    en.wikipedia.org/wiki/Reciprocal_altruism

    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 ...

  5. Evolution of morality - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_morality

    The concept of the evolution of morality refers to the emergence of human moral behavior over the course of human evolution. Morality can be defined as a system of ideas about right and wrong conduct. In everyday life, morality is typically associated with human behavior rather than animal behavior. The emerging fields of evolutionary biology ...

  6. Mutual Aid: A Factor of Evolution - Wikipedia

    en.wikipedia.org/wiki/Mutual_Aid:_A_Factor_of...

    Mutual Aid: A Factor of Evolution is a 1902 collection of anthropological essays by Russian naturalist and anarchist philosopher Peter Kropotkin.The essays, initially published in the English periodical The Nineteenth Century between 1890 and 1896, [1] explore the role of mutually beneficial cooperation and reciprocity (or "mutual aid") in the animal kingdom and human societies both past and ...

  7. Altruism - Wikipedia

    en.wikipedia.org/wiki/Altruism

    Altruism is the principle and practice of concern for the well-being and/or happiness of other humans or animals above oneself. While objects of altruistic concern vary, it is an important moral value in many cultures and religions. It may be considered a synonym of selflessness, the opposite of selfishness. [1]

  8. Green-beard effect - Wikipedia

    en.wikipedia.org/wiki/Green-beard_effect

    The green-beard effect is a form of selection in which individuals with genes that produce unique observable traits select individuals with the specific trait and thereby the same gene. In this illustration individuals selectively mate with individuals of the same head color. The green-beard effect is a thought experiment used in evolutionary ...

  9. Kin selection - Wikipedia

    en.wikipedia.org/wiki/Kin_selection

    Kin selection is a process whereby natural selection favours a trait due to its positive effects on the reproductive success of an organism's relatives, even when at a cost to the organism's own survival and reproduction. [1] Kin selection can lead to the evolution of altruistic behaviour. It is related to inclusive fitness, which combines the ...