Most of the animals in this phylum live in the sea. Some of these are in the water and on the land there are soft but the trunk can create rigid shell with carbon-covered trunk NET calcium compounds.
Animal phylum, most living in the sea. Some species live in fresh water were on the ground as an animal with a soft body, but it can create a shell solids with similar compounds like potassium carbonate clad torso.
The animals in the phylum this mainly live in the sea. Some species in fresh water and on the ground as an animal with a soft body, but can create ice shell with compound calcium carbonate supplements covering the torso.