K selection

A Dictionary of Biology | 2004 | Copyright

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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Related entries from encyclopedias, dictionaries, and thesauruses

K selection
Book article from: A Dictionary of Biology K selection A type of selection that favours organisms with a low rate of reproduction...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...
K-selection
Book article from: A Dictionary of Zoology K-selection Selection for maximizing competitive...environmental resources. This implies selection for low birth rates, high...and prolonged development. K represents the carrying capacity...BET-HEDGING . Compare R-SELECTION .
Model Selection Tests
Encyclopedia entry from: International Encyclopedia of the Social Sciences ...simpler model. The most commonly used selection criteria are the Akaike information...variable Y, T= the sample size, and K= the number of parameters in the...models that are too complex. Other selection criteria are available based on similar...
r-selection
Book article from: A Dictionary of Zoology r-selection Selection for maximizing the biotic potential ( r ) of an organism so that when favourable conditions occur...of a succession. See also BET-HEDGING ; BIOTIC POTENTIAL ; POPULATION EXPLOSION . Compare K-SELECTION .
r selection
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