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BookmarkThe 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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