物种形成,又称为种化,是演化个一个过程,指生物个物种一分为二个过程。
达尔文拉《物种起源》中认为自然选择是物种形成个主导因素,但一直以来认为是物种形成是随机个。直到生殖隔离个概念提出后, 自然选择拉物种形成中个作用才重新受到重视。
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