Cnidaria are classified under the class of Eumetazoa which are jelly fish or other invertebrates that are filter feeders. They are radially symmetrical as well. They are multicellular with few tissues and some organelles. Their body has an eternal cavity and a mouth. There are two different forms that exist, which are Medusa and Polyp. They live in mostly aquatic environments and spend their time in shallower water. There include coming from major groups such as Anthozoa, Scyphozoa, Staurozoa, Cubozoa, and hydrozoa. There are also thousands types of species for Cnidaria which include hydroids, jellyfish, and corals.
By Kyle Ebert |