BIOLOGY 1101 Lecture Notes - Lecture 15: Reciprocal Altruism, Inclusive Fitness, Kin Selection
18 Oct 2016
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Document Summary
Encompasses any and all of the actions performed by an organism, often in response to its environment or to the actions of another organism. Behaviors that come at a cost to the individual doing the behavior while benefiting the recipient: altruism and the theory of evolution. Natural selection generally works to produce selfish behaviors. Altruism towards close relatives since they share genes. Altruistic behavior in which an individaul that assists a genetic. Realtive compensates for its own decrease in direct fitness. Indirect fitness, which consequently, increases its inclusive fitness. Unrelated individuals (i scratch your back, you scratch mine). Altruistic appearing behavior will occur when the benefits to close relatives are greater than the cost to the individual performing the behavior. They are really acting in their own genes" best interests. The reproductive output brought about by altruistic behaviors toward close kin. Apparent altruism toward unrelated individuals can evolve through reciprocal altruism.
