Sponges:Her Body Covering Is Skin,one thick cell.Locomotion are creeping along substrata via organizational plasticy.Habitats:lived in aquatic Habitats.although, majority of sponges are marine. some species live in freshwater lakes and streams.Distinguishings are Choanocytes,water canal (aquiferous) system, organic and inorganic skeletons,totipotency,plasticity.
