Question
Physiological thermal regulation in poikilotherms
Answer :
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Poikilotherms are animals whose body temperature varies with the temperature of the surrounding environment. Physiological thermal regulation in poikilotherms involves internal mechanisms that help them tolerate, adjust, and survive fluctuations in environmental temperature, even though they do not maintain a constant body temperature like homeotherms. These mechanisms operate mainly at the cellular, biochemical, and metabolic levels. One important physiological adjustment is the regulation of metabolic rate. As environmental temperature rises, enzyme activity and metabolic reactions increase, leading to higher energy production, while a decrease in temperature slows metabolism. Poikilotherms adjust their oxygen consumption and energy utilization to match temperature changes,
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