Choanoflagellates are a group within kingdom Protista that are thought to be the closest living relatives to sponges. This is based on similarities in cell structure and genetic sequences between choanoflagellates and sponge cells.
No, sea sponges are not decomposers. Sponges are filter feeders.
no sponges are not unicellular.
No, sponges are not parasitic.
no sponges do not have bones
The purpose of chocolate in sponge cakes or any other recipe is to provide chocolate flavor. It does not help the sponge to rise or anything else.
Sponges are asymmetrical, although a few species have nearly radial symmetry.
To answer your question no sponges do not hibernate
Yes sponges have organs.
No. Sponges are animals, which are heterotrophic.
No sponges lack organized multicellular organs, such as nerves and muscles.
If you're talking about kitchen sponges, they do not have cells. However, sea sponges have cells.