Question
The presence of a contractile vacuole indicates that a single-celled protist ________.a. is marineb. lives in fresh waterc. is photosyntheticd. secretes a toxin
Step 1
Single-celled protists are organisms that range in size from less than a micrometer to thousands of square meters. They are enveloped by either animal-like cell membranes or plant-like cell walls. Show more…
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