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Altruistic Behavior: Exploring the Evolutionary Motivations and Mechanisms

This article delves into the fascinating world of altruistic behavior, both in humans and non-human animals, investigating its various evolutionary explanations including kin selection and reciprocal altruism.

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Altruistic Behavior: Exploring the Evolutionary Motivations and Mechanisms

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  1. Altruistic behavior:Behaviors benefit others rather than the individual committing the behavior. • Human, rare in early childhood • Nonhuman: sentinel behavior of meerkats—escape danger most quickly or surely.

  2. Evolution of Altruistic Behaviors Two possible explanations for altruistic behavior Kin selection:selection in favor of a gene because it benefits the animal’s relatives who are likely to carry the same gene. This would be “nepotistic altruism” Reciprocal altruism: the idea that animals help those who help them in return. Requires good sensory organs and a well-developed brain to recognize those who did the favor.

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