The oldest insect fossil is a wingless springtail insect found in the middle Devonian strata 350 million years ago. The body of this insect has been clearly divided into three parts: head, thorax and abdomen. The emergence of the thorax as the center of movement clearly represents the birth o...
In nature, in order to survive and mate, animals will engage in autotomy behavior or self-cutting behavior, including self-castration behavior. SoWhat is the motivation behind animals' self-mutilation behavior? 1. Cut yourself to save your life When some animal...
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