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ShareThe sponges or poriferansare animals of the phylum Porifera.
They are primitive, sessile, mostly marine, waterdwelling filter feeders that pump water through their matrix to filter out particulates of food matter.
Sponges are among the simplest of animals.
For more information about the topic Sponge, read the full article at Wikipedia.org, or see the following related articles:
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Sponge at Wikipedia.org. See the Wikipedia copyright page for more details.
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