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Questions  >>  CBSE XII  >>  Biology

How does constancy in the internal environment help an organism? How do organisms achieve it with regard to temperature? Give example.

1 Answer

Constant internal environment permits all biochemical reactions to proceed with maximal efficiency. Organisms regulate by physiological means eg sweating to reduce temperature when the external temperature increases. For example: During summer, skin becomes more active and sweating results in cooling while in winter, kidneys become more active and excrete urine.
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