Cnidaria Learning Journal

For my learning Journal I chose the Jellyfish which is in the Cnidaria phylum. The Cnidaria is a phylum which contains more than 10000 species, they are most spefictly aquatic animals, we can find them in fresh water and marin. They are classified in the domain eukaryota. They have special cells which they use to capture prey and have generally two body forms; we have the swimming medusa and the sessile polyps, which have almost the same body structure. Their body is consisting of mesoglea, their body is radially symmetric, their mouths are surrounding by tentacles, they have one orifice they use to do two function: respiration and digestion. They have cnidocytes which they use as anchors and harpoon to capture prey`. The cnidarians possess