What is Demospongia?

Answer 1

The Demospongiae are the largest class in the phylum Porifera. Their "skeletons" are made of spicules consisting of fibers of the protein spongin, the mineral silica, or both. They contain 90% of all species of sponges.

Answer 2

Demospongiae is a class of sponges that makes up the largest and most diverse group within the phylum Porifera. They are characterized by having a skeleton made of spongin fibers and siliceous spicules. Demosponges are found in a wide variety of marine environments worldwide.

Answer 3

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