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The Medea hypothesis is a term coined by paleontologist Peter Ward for the anti-Gaian hypothesis that multicellular life, understood as a superorganism, is suicidal. In this view, microbial-triggered mass extinctions are attempts to return the Earth to the microbial-dominated state it has been for most of its history. The metaphor refers to the mythological Medea (representing the Earth), who kills her own children (multicellular life).

The Medea hypothesis is a term coined by paleontologist Peter Ward for the anti-Gaian hypothesis that multicellular life, understood as a superorganism, is suicidal. In this view, microbial-triggered mass extinctions are attempts to return the Earth to the microbial-dominated state it has been for most of its history. The metaphor refers to the mythological Medea (representing the Earth), who kills her own children (multicellular life).

<font color="#ff8000"> 美狄亚假说</font>是古生物学家彼得·沃德为<font color="#ff8000"> 专反盖亚假说</font>创造的一个术语，该假说认为多细胞生命，被理解为超有机体，具有自杀倾向。按照这种观点，微生物引发的大规模物种灭绝是试图使地球恢复到历史上大部分时间以微生物为主的状态。这个比喻指的是神话中的美狄亚(代表地球) ，她杀死了自己的孩子(多细胞生命)。

<font color="#ff8000"> 美狄亚假说</font>是古生物学家彼得·沃德为<font color="#ff8000"> 反盖亚假说</font>创造的一个术语，该假说认为多细胞生命，被理解为超有机体，具有自杀倾向。按照这种观点，微生物引发的大规模物种灭绝是试图使地球恢复到历史上大部分时间以微生物为主的状态。这个比喻指的是神话中的美狄亚(代表地球) ，她杀死了自己的孩子(多细胞生命)。