รูปภาพ
Animals are divided into 2 types : vertebrates and invertebrates. Vertebrates can be subdivided into Reptiles, Fish, Amphibians, Birds and Mammals. Invertebrates can be subdivided into Protozoa, Flatworms, Annelid Worms, Echinoderms, Coelenterates and Molluscs . And arthropods can be subdivided Arachnids, Crustaceans, Insects and Myriapods.
