in order to reproduce, sponges release an egg into the water. The egg then floats around until it is fertilized.
Domain: Eukaryota Kingdom: Animalia Phylum: Polifera Sponges are their own phylum. There are a multitude of different classes, orders, families, genes, and species of sponges.
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
Max Walker De Laubenfels has written: 'The order Keratosa of the phylum Porifera' -- subject(s): Sponges 'The sponges of the west-central Pacific' -- subject(s): Sponges, Porifera 'Pageant of life science' -- subject(s): Biology
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.