K selection A type of selection that favours organisms with a low rate of reproduction but whose populations expand to the maximum number of individuals that the habitat can support (the carrying capacity of the habitat). K-selected species (or K strategists) tend to be highly adapted to their environment and are able to compete successfully for food and other resources. They also tend to inhabit stable environments and have relatively long life spans. See survival curve. Compare r selection.
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K-selection , K-selection The selection for maximizing competitive ability, the strategy of equilibrium species. Most typically this is a response to stable enviro… R-selection , r-selection A selection for maximizing the intrinsic rate of increase (r) of an organism so that when favourable conditions occur (e.g. in a newly fo… bet-hedging , bet-hedging The behavioural response of a species population to a K-selecting environment in which occasional fluctuations in conditions affect the m… Stabilizing Selection , stabilizing selection(maintenance evolution, normalizing selection) Natural selection that selects against extremes at either end of the range of phe… Habitat , A habitat is the environment in which an organism, species, or community lives. Habitats can be classified in a number of ways in order to compare th… disruptive selection , disruptive selection Selection that changes the frequency of alleles in a divergent manner, leading to the fixation of alternative alleles in members…
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