Sponges
Sponges belongs to family of coral reefs. their body is cvered with fibrous matter and the final last layer is covered the hard covering made up of Calcium carbonate. the outer covering of calcium carbonate helps them to protect them selves from their predators
No, sea sponges are not decomposers. Sponges are filter feeders.
no sponges do not have bones
no sponges are not unicellular.
No, sponges are not parasitic.
Sponges are asymmetrical, although a few species have nearly radial symmetry.
Yes sponges have organs.
No. Sponges are animals, which are heterotrophic.
To answer your question no sponges do not hibernate
No sponges lack organized multicellular organs, such as nerves and muscles.
porifera are also called sponges some of the sponges are euplectelia spongilla and sycon