Biology · Animal Physiology
Which of the following statements best describes the relationship between the metabolic rate of an endotherm and the ambient environmental temperature?
- 1Metabolic rate remains completely constant across all environmental temperatures without any change.
- 2Metabolic rate decreases continuously as environmental temperature rises, reaching its lowest point at the highest tolerable temperature.
- 3Metabolic rate is minimal and constant within the thermoneutral zone, but increases at temperatures both below the lower critical temperature and above the upper critical temperature.✓
- 4Metabolic rate increases linearly and continuously as the environmental temperature rises.
Correct answer
Metabolic rate is minimal and constant within the thermoneutral zone, but increases at temperatures both below the lower critical temperature and above the upper critical temperature.
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