What is the definition of homeostasis?

A. Maintenance of a stable internal environment.
B. All the chemical reactions necessary to maintain life.
C. Process that moves conditions toward a normal state.
D. Equilibrium between the external and internal environments.



Answer :

Final answer:

Homeostasis is an organism's ability to maintain a stable internal environment through constant adjustments despite external changes.


Explanation:

Homeostasis is the ability of an organism to control its body functions in order to uphold a stable internal environment even when its external environment changes. All living organisms perform homeostasis by maintaining constant internal conditions necessary for survival through continuous adjustments.

For instance, cells regulate internal acidity (pH), and warm-blooded animals maintain a constant body temperature. Homeostasis is crucial for living things and ensures a dynamic equilibrium rather than a static state.


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