kin selection theory

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• kin selection — kin n a theory of natural selection which states that a usu. altruistic behavior or attribute that lowers the fitness of a particular individual is selected for if it increases the probability of survival and reproduction of related kin who… …   Medical dictionary

• Kin selection — From the time of antiquity field biologists have observed that some organisms tend to exhibit strategies that favor the reproductive success of their relatives, even at a cost to their own survival and/or reproduction. The classic example is a… …   Wikipedia

• kin selection — noun Date: 1975 a theory of natural selection which states that a usually altruistic behavior or attribute that lowers the fitness of a particular individual is selected for if it increases the probability of survival and reproduction of related… …   New Collegiate Dictionary

• kin selection — noun : a theory of natural selection which states that a usually altruistic behavior or attribute that lowers the fitness of a particular individual is selected for if it increases the probability of survival and reproduction of related kin who… …   Useful english dictionary

• Selection de parentele — Sélection de parentèle Les mécanismes de l évolution biologique Mécanismes non aléatoires: sélection naturelle sélection utilitaire sélection sexuelle sélection de parentèle sélection de groupe …   Wikipédia en Français

• Sélection de parentèle — Les mécanismes de l évolution biologique Mécanismes non aléatoires : sélection naturelle sélection de survie sélection sexuelle sélection de parentèle sélection de groupe sélection s …   Wikipédia en Français

• selection — selectional, adj. /si lek sheuhn/, n. 1. an act or instance of selecting or the state of being selected; choice. 2. a thing or a number of things selected. 3. an aggregate of things displayed for choice, purchase, use, etc.; a group from which a… …   Universalium

• Group selection — In evolutionary biology, group selection refers to the idea that alleles can become fixed or spread in a population because of the benefits they bestow on groups, regardless of the alleles effect on the fitness of individuals within that group.… …   Wikipedia

• Natural selection — For other uses, see Natural Selection (disambiguation). Part of a series on Evolutionary Biology …   Wikipedia

• Dual inheritance theory — (DIT), also known as gene culture coevolution, was developed in the late 1970s and early 1980s to explain how human behavior is a product of two different and interacting evolutionary processes: genetic evolution and cultural evolution. DIT is a… …   Wikipedia

• Evolutionary theory and the political left — have had a sometimes wary relationship with one another. Some on the political left, especially Marxists and communists, have been critical of aspects of the theory of evolution by natural selection (Darwinism). Some of this opposition appears… …   Wikipedia