af Nokwanda Buthelezi 6 år siden
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a natural process that results in the survival and reproductive success of individuals or groups best adjusted to their environment and that leads to the perpetuation of genetic qualities best suited to that particular environment
century, researchers found in an island community where there was a genetic disposition to mate earlier and have larger families. Over 140 years, the age at first reproduction dropped from 26 to 22 and this was due to natural selection.