Animals are divided into two categories based on their capacity to regulate body temperature by metabolic process: ectotherm and endotherm. During the break down of food at the cellular level, energy and heat are generated. In certain organisms, the heat generated helps them to regulate their body temperature, while in others the heat generated is in small quantity and hence, does not have much contribution in maintaining the body temperature of the organism.

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Chapter 32, Problem 2MC

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Animals are divided into two categories based on their capacity to regulate body temperature by metabolic process: ectotherm and endotherm. During the break down of food at the cellular level, energy and heat are generated. In certain organisms, the heat generated helps them to regulate their body temperature, while in others the heat generated is in small quantity and hence, does not have much contribution in maintaining the body temperature of the organism.

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