The body is the pore. Antique sponge body structures is easy because the sort of loose cells and the characteristics of the actual tissue. Other animal unique sponge cells no
A porous body Ancient sponges are simple body structure. Because of the arrangement of the cells loose. And the characteristics of actual tissue Cell sponge is unique, no other animals.
Spongy body of ancient sponge structure body easily. Due to the arrangement of cells. The characteristics of membrane and real. Sponge cells unique to other animals.