Biology

The correct answer is: C.Homeostasis

Explanation:

Cells move things in and out through various mechanisms (such as passive transport, active transport, endocytosis, and exocytosis) to maintain homeostasis—the stable internal environment necessary for proper cell function. By regulating what enters and exits, cells can control factors like nutrient levels, waste removal, ion balance, and water content, all of which are essential for maintaining cellular health and overall organism stability.

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