来自 娱乐 2021-06-11 11:09 的文章

达尔文的《进化论》提出:“物竞天择适者生存”是指物种之间及生物内部之间

达尔文的《进化论》提出:“物竞天择适者生存”是指物种之间及生物内部之间相互竞争,物种与自然之间的抗争,能适应自然者被选择存留下来的一种法则。如果我们想被留下来,那就需要( )。

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