Figure 4 - Paramecium 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 environment. Contractile vacuole 8. In Figure 4, what type of solution would cause the contractile vacuole to fill with water?
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Step 1: The contractile vacuole of a unicellular freshwater organism fills with water in a hypotonic solution. Show more…
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