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Why does temperature affect heart rate in ectothermic organisms?

April 26, 2017affect Biology ectothermic heart Mathematics organisms rate temperature

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Why does temperature affect heart rate in ectothermic organisms?

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Ectotherms cannot maintain their body temperature independent of that of the environment, so their body temperature is usually within a degree or two of that of their surroundings. As their temperature goes up, their rate of metabolism goes up, and thus, their heart rate also.