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selection US English

The action or fact of carefully choosing someone or something as being the best or most suitable

selection US Thesaurus

Jim made his selection of toys

kin selection US English

Natural selection in favor of behavior by individuals that may decrease their chance of survival but increases that of their kin (who share a proportion of their genes)

selection rule US English

A rule that describes whether particular quantum transitions in an atom or molecule are allowed or forbidden

self-selection US English

The action of putting oneself forward for something

natural selection US English

The process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution

selection pressure US English

An agent of differential mortality or fertility that tends to make a population change genetically

sexual selection US English

Natural selection arising through preference by one sex for certain characteristics in individuals of the other sex