Sponge Sizes
There are 2 kinds of sponges: the cleaning material and the sea creature. The latter type of sponge is grouped into 3 classes, each corresponding to a particular body form, cell type and size.
marine animals
There are 2 kinds of sponges: the cleaning material and the sea creature. The latter type of sponge is grouped into 3 classes, each corresponding to a particular body form, cell type and size.