有机体的行为

同时，基因组有着灵活的信号表达调控机制，它能够根据有机体的行为引起的机体生理变化来调控基因的表达，并实现与行为变化需要相适合的表型变化。

Meanwhile , genome is flexible in its signal modulation mechanism , which can control the expression of gene by physiological changes caused by behavior , and realize phenotype changes suitable to behavior changes .

变态心理学是研究有机体的变态行为和功能的心理学分支。

Abnormal psychology is the branch of psychology concerned with the abnormal behaviour and functioning of organism .

利他行为是一种对履行这种行为的有机体明显不利，而对另一个有机体却有利的行为。

Altruism is defined as a kind of behavior which is obviously detrimental to its performer , yet beneficial to another organism .

互惠利他行为是生物有机体乃至人类社会普遍存在的一种现象，经典的自然选择学说难以解释生物有机体的这类行为。

Reciprocal altruistic behavior exists not only among organisms but also in the society , but it has been hard to explain the altruistic behavior of organisms to the classical natural selection theory .