Water collecting canals around the contractile vacuole are called _________.

Incurrent canals

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Excurrent canals

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Radiating canals

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None of the above

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Solution

The correct option is C Radiating canals
Water collecting canals around the contractile vacuole are called Radiating canals The contractile vacuole is the part that contracts and forces extra water out of the cell. The radiating canals are the paths to the contractile vacuole. In Paramecium, these are two contractile vacuoles while one in Amoeba.

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