单词 | adaptation |
释义 | adaptation [´a´dap`tā·shǝn] GENETICS The occurrence of genetic changes in a population or species as the result of natural selection so that it adjusts to new or altered environmental conditions. PHYSIOLOGY The occurrence of physiological changes in an individual exposed to changed conditions; for example, tanning of the skin in sunshine, or increased red blood cell counts at high altitudes. |
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