These are animals capable of varying degrees of endothermic heat production, but they generally do not regulate body temperature within as narrow a range as endotherms:
Correct answer: C. Hetrotherms
- A. Ectotherms
- B. Poikilotherms
- C. Hetrotherms
- D. None of these
Explanation
A third category, heterotherms is of those animals who are capable of varying degrees of endothermic heat production but generally do not regulate their body temperature within a narrow range e.g. bats, humming bird etc.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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