出典:Wikipedia
出典:『Wikipedia』 (2011/07/28 03:14 UTC 版)
Natural selection is the nonrandom process by which biologic traits become more or less common in a population as a function of differential reproduction of their bearers. It is a key mechanism of evolution.
natural selection
the course of nature
a natural process in which the strongest survive in nature, called natural selection
天賦の才.
the natural world―nature
天賦の才.
a nature
the natural world
things that are produced organically