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Cambrian explosion
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Cambrian explosion
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古生物学
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Cambrian explosion
寒武纪大爆发
地球生命系统起源与演化早期发生的一次多样性爆发式增加事件。具体是指距今5.4亿~5.0亿年间,地球海洋生命系统中“突然”出现了门类众多的后生动物(包括无脊椎动物和脊椎动物)。
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