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Word: natural selection (lookup usage) (lookup stats)


Meaning:

Noun:

  • evolutionary biology A process by which heritable traits conferring survival and reproductive advantage to individuals, or related individuals, tend to be passed on to succeeding generations and become more frequent in a population, whereas other less favourable traits tend to become eliminated.
  • quantitative genetics A process in which individual organisms or phenotypes that possess favourable traits are more likely to survive and reproduce: the differential survival and reproduction of phenotypes.

Source: Wiktionary | Src Info »