Darwin expected species to change slowly, but not at the same rate – some organisms such as Lingula were unchanged since the earliest fossils.
达尔文认为物种化是缓慢
,但不是
速度
化--一些如海豆芽一
生物从最早
化石
来未发生
。
Darwin expected species to change slowly, but not at the same rate – some organisms such as Lingula were unchanged since the earliest fossils.
达尔文认为物种化是缓慢
,但不是
速度
化--一些如海豆芽一
生物从最早
化石
来未发生
。
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