自し然ぜん選せん択たく

noun

natural selection

The core evolutionary mechanism by which organisms better adapted to their environment tend to survive and produce more offspring.

• ダーウィンは自し然ぜん選せん択たくによって進しん化かが起おこると提てい唱しょうした。

  Darwin proposed that evolution occurs through natural selection.

• 自し然ぜん選せん択たくは、環かん境きょうに適てき応おうした個こ体たいが生いき残のこる仕し組くみだ。

  Natural selection is a mechanism by which individuals adapted to the environment survive.