sponges can get up to 1,000 years old
No. They are old dried up sponges.
Sponges in the ocean can live up to 200 years old. They are primary produces and give off more oxygen than they take in.
No, sea sponges are not decomposers. Sponges are filter feeders.
no sponges are not unicellular.
no sponges do not have bones
No, sponges are not parasitic.
Sponges are asymmetrical, although a few species have nearly radial symmetry.
To answer your question no sponges do not hibernate
No. Sponges are animals, which are heterotrophic.
Yes sponges have organs.
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.