larrass21
larrass21
01-05-2017
Biology
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What do sponges have to squeeze out waste
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dilliancameron
dilliancameron
01-05-2017
sponges have a pore to squeeze out waste
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vickyvaladez123
vickyvaladez123
01-05-2017
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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