Reference Terms
from Wikipedia, the free encyclopedia

Sponge

The 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.

Note:   The above text is excerpted from the Wikipedia article "Sponge", which has been released under the GNU Free Documentation License.
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August 31, 2015

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