Natural selection

Natural selection

The process in nature by which, according to Darwin's theory of evolution, only the organisms best adapted to their environment tend to survive and transmit their genetic characteristics in increasing numbers to succeeding generations while those less adapted tend to be eliminated.

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Part of Speech: noun
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natural selection

Natural environment; Coral reefs

A natural process by which organisms (and their genes) that adapt to their environment survive while those that do not adapt become eliminated progressively.

natural selection

Archaeology; Evolution

The differential survival and reproduction of classes of organisms that differ from one another in one or more usually heritable characteristics. Through this process, the forms ...

natural selection

Anthropology; Cultural anthropology

The process whereby members of a species who have more surviving offspring than others pass their traits on to the next generation, whereas the less favored do not do so to the ...

natural selection

Biology; Cell biology

The process of differential survival and reproduction of Þtter genotypes; can be stabilizing, directional, or disruptive. Better adapted individuals are more likely to survive to ...

natural selection

Biology; Marine biology

The main mechanism of evolutionary change. In a given population of organisms, there are heritable traits that enable some members to contribute a larger number of offspring than ...