MauritaTakai709 MauritaTakai709

13-01-2015
Biology

contestada

Sponges have a _____ that squeezes out waste.

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lrathburn lrathburn

13-01-2015

Contractile Vacuole: A membrane-surrounded cavity in a cell that periodically expands, filling with water, and then suddenly contracts, expelling its contents to the cell's exterior.

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