English Dictionary

natural selection

名詞

不可算名詞

(evolutionary theory) 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; the differential survival and reproduction of phenotypes.

日本語の意味

進化の過程において、有利な遺伝的特徴が選ばれて次世代へ伝えられ、その結果、集団内でその特徴が増加し、不利な特徴が淘汰される現象。 / 生存と繁殖において優位な形質を持つ個体が選択され、その形質が世代を重ねるごとに集団内で拡大する現象。 / 自然淘汰、あるいは自然選択とも呼ばれ、環境適応の結果、適応度の高い特徴が伝播される進化のメカニズム。

Natural selection favored the beetles that blended into the bark, increasing their numbers over generations.

自然選択は樹皮に溶け込む甲虫を有利にし、その個体数を世代を通じて増加させた。

意味（1）

(evolutionary theory) 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; the differential survival and reproduction of phenotypes.