Emotion plays an essential role in adaptation and social communication in organism.

情感在生物体的交流和适应性方面起到了关键作用。

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Any heritable trait possessed by an organism which AIDS survival or reproduction is an adaptation.

有机体所具有的有助于生存和生殖的任何可遗传特征都是适应。

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Heredity reflects the successful experience of adaptation of a species in the past? And variation is the environmental strategies of an individual organism.

遗传再现了生物物种过去适应环境的成功经验，变异则可视为生物个体本身的环境对策。

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Yet the intentionality implicit in physis is at the very core of the Darwinian concept of adaptation: forming well-functioning machines that can carry an organism through the filter of natural selection.

FORBES: Evolution and Embodied Physiology