The main animal phylums; Porifera, Cnidaria, Acoela, Nematods, Rotifers, Annelids, Mollusca, Arthropods, Echinoderms, Chordates are covered. The characteristics are also covered; symmetry, tissue layers, embryonic development, body cavities, body structure, vertebrates, body systems. This chart goes along well with the Animal Kingdom power point or you can purchase it as bundle with the Animal Kingdom Power Point. It is excellent for secondary and college level Biology courses. The answer key is included in the file.