Dictionary of Human Evolution and Biology

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Phenotypic plasticity in an organism that enables it to make physiologic changes that reduce the strain caused by stresses from environmental factors. Acclimatization may be short-term (see acclimation) or long-term (see developmental plasticity). It has been suggested that the ability to respond physiologically to the environment is partly genetic but requires environmental interaction to be expressed. Verb: acclimatize.

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