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Answer 5 out of 7 questions correctly.

Cells live in changing environments, but their internal conditions like temperature, pH, and water balance must stay within narrow limits for the cell to function properly. Therefore, maintaining

homeostasis,

or a state of internal stability, is vital for survival. Cells use a variety of mechanisms to adjust their internal conditions in response to changes in their external environment. Some of these mechanisms require energy input.

Cells in the lining of the human stomach

Select the true statements.

Cells rely on various processes to maintain homeostasis.

Cells must keep their internal conditions within a stable range to survive.

Cells reach homeostasis when their internal conditions match the external environment.

Maintaining homeostasis sometimes requires energy.

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