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The picture shows a contractile vacuole of a unicellular freshwater organism. The contractile vacuole regulates the flow of water into and out of the cell in an aquatic environement. What condtions cause the contracile vacuole to fill with water? Your answer: A.The concentration of water is greater outside the cell than inside the cell. B.The concentration of water inside the cell is the same as the concentration outside the cell. C.The temperature of water in the vacuole is higher than the temperature of its environment.

The picture shows a contractile vacuole of a unicellular freshwater organism. The contractile vacuole regulates the flow of water into and out of the cell in an class=

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xxamari

Answer:

A. The concentration of water is greater outside the cell than inside the cell.

Explanation:

This is a question having to do with tonicity, or the concentrations of solutes or solvents across a membrane.  In these conditions, there is a hypotonic solution inside the cell (hypo means low, because there's less water inside), which will cause water to come inside.

The contractile vacuole stops the cell from exploding by regulating the amount of water that can come in. Otherwise, it would lyse, or split open.

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