which phylum has paired, jointed appendages and an exoskeleton?
28.3 Phylum Arthropoda (Arthropods) Arthropods have paired, jointed appendages and a hard exoskeleton that contains chitin. The Ãhitinous exoskeleton consists of hardened plates separated by thin, membranous areas that allow movement of the body segments and appendages. Arthropods are segmented like the annelids, but specialization of segments has occurred. Explain. Phylum Arthropoda includes the most common animals in the worldâthe insectsâas well as