Question

Homeostasis is a condition where the organisms:

• A. Maintain a constant internal environment in an ever-changing external environment
• B. Do not maintain a constant internal environment
• C. Change their internal environment according to their external environment
• D. Change their internal environment when the external environment is constant

Hint:

Homeostasis is essential for survival in dynamic environments.

Answer 1

The Correct Option is A

Homeostasis is a fundamental biological process where organisms maintain a stable internal environment despite changes in external conditions.

(A) Correct: Homeostasis involves maintaining a constant internal environment (e.g., body temperature, pH, glucose levels) even when the external environment changes.

(B) Incorrect: This contradicts the definition of homeostasis.

(C) Incorrect: Organisms regulate their internal environment to remain stable, not to mirror external changes.

(D) Incorrect: Homeostasis is about stability during external fluctuations, not changing internally when the external environment is constant.

The correct answer is (A), as it describes the core principle of homeostasis.