As it is so. A segmented body an exoskeleton made up of chitin and jointed appendages. Animal Kingdom Animal Classification Elementary Biology Teaching Science Arthropods may live on land on water. . This group is the most primitive of the eukaryotics and all the others are descendants of it. Domain kingdom phylum class order family genus and species. Among animals phylum Chordata includes classes Pisces Amphibia Reptiles Aves and Mammals. In the case of plants the term division is used instead of the phylum. Frequently Asked Questions FAQs on Phylum Porifera. There are 5 different groups within Kingdom that organisms are placed in. It is a group of similar individuals which resemble with each other in morphology breed among themselves but not with others and probably descended from a common ancestor. The chapter Animal Kingdom is important and will help you score high in the exam. The suffix used in phylu