Homeotherms
from class: General Biology I Definition Homeotherms are organisms that maintain a stable internal body temperature regardless of external conditions. This trait is crucial for sustaining consistent metabolic processes.
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Predict what's on your test 5 Must Know Facts For Your Next Test Homeothermy is typically seen in birds and mammals, but not usually in reptiles. Reptiles are generally ectothermic, meaning their body temperature varies with the environment. Homeotherms utilize physiological mechanisms such as sweating, shivering, and metabolic adjustments to regulate their body temperature. Maintaining a constant body temperature allows homeotherms to remain active in a wide range of environmental conditions. The energy demands for homeothermy are higher compared to ectothermy because of the continuous need to generate heat or cool down. Review Questions What distinguishes homeotherms from ectotherms in terms of temperature regulation? Why is homeothermy less common among reptiles? How do homeotherms manage to keep their internal body temperature stable?
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