Sponges are not parasitic. Where as polyps.
No, they only filterfeed particles from the ocean water.
The correct spelling is "parasitic."
No, sea sponges are not decomposers. Sponges are filter feeders.
no sponges are not unicellular.
no sponges do not have bones
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
parasitic
No sponges lack organized multicellular organs, such as nerves and muscles.