Which of the following statement about Homeostasis is incorrect?
Correct answer: B. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment
- A. There is a definite control system that regulates the homeostatic activities
- B. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment
- C. Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment
- D. All are correct
Explanation
Homeostasis does not keep the internal environment completely fixed; it maintains variables within a narrow range despite external changes. Therefore statement b is incorrect, while students may choose d by overlooking the word fixed and treating all three statements as accurate.
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