性せい選せん択たく

noun

sexual selection

A biological term referring to the process by which certain traits become more common in a population because they increase mating success. Often contrasted with natural selection (自然淘汰).

See also: 性淘汰

• クジャクの派は手でな羽はねは性せい選せん択たくの結けっ果かだと考かんがえられている。

  The peacock's showy feathers are thought to be a result of sexual selection.

• 性せい選せん択たくはダーウィンが提てい唱しょうした概がい念ねんの一ひとつだ。

  Sexual selection is one of the concepts proposed by Darwin.