Homeostasis refers to the ability of an organism or system to maintain internal stability and balance, despite changes in the external environment. This involves keeping certain conditions, such as temperature, pH, and nutrient levels, within a constant or optimal range. Therefore, option E is the correct answer.

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Homeostasis Means

Question 18

Multiple Choice

Homeostasis means:

A) That a population changes over time
B) That conditions are held constant and do not change
C) That cells have enough water
D) That all organisms require an energy source
E) That conditions remain within a constant range

Correct Answer: