no sponges do not have bones
Everything except bone.
bone marrow
I assume you mean sponges, and they are obviously invertabrates (they lack a back bone).
a sponge is an invertabrate it has no back bone some sponges have holes in the body so they can breath and capture food. sponges skin is made out of soft spongey tissue.
Sponges are divided up into three groups depending on their cell/bone structure:CalcareaGlass SpongeDemospongeHope this helps :D
Sponges are divided up into three groups depending on their cell/bone structure:CalcareaGlass SpongeDemospongeHope this helps :D
No, sea sponges are not decomposers. Sponges are filter feeders.
no sponges are not unicellular.
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.