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Question
An animal that is an endotherm (capable of maintaining constant body temperature) is
An animal that is an endotherm (capable of maintaining constant body temperature) is
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Solution
The correct option is D Bird
Ectotherms lack any metabolic mechanisms for regulating body temperature and maintain reasonably constant temperature by gaining heat from the environment. Pisces, reptiles and insects are ectotherms. Endotherms maintain constant body temperature by physiological means i.e by heat generated inside the body. Bird and mammals are endotherms. Thus, the correct answer is D.
Ectotherms lack any metabolic mechanisms for regulating body temperature and maintain reasonably constant temperature by gaining heat from the environment. Pisces, reptiles and insects are ectotherms. Endotherms maintain constant body temperature by physiological means i.e by heat generated inside the body. Bird and mammals are endotherms. Thus, the correct answer is D.
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