Viewing topic: Sponge

See sub-topics for Sponge ... >> Natural Science >> Chemistry >> Sponge

Highest Rated Sign

No video has been submitted for this term

Nobody has posted a sign yet.


  • Definition: Any of numerous aquatic, chiefly marine invertebrate animals of the phylum Porifera, characteristically having a porous skeleton composed of fibrous material or siliceous or calcareous spicules and often forming irregularly shaped colonies attached to an underwater surface.


  • There are no comments for this topic.