The largest phylum of Animal kingdomAPhylum ArthrodpodaBPhylum MolluscaCPhylum AnnelidaDPhylum ChordataAnswer: A. Phylum Arthrodpoda Read Explanation: Phylum Arthrodpoda:This is the largest phylum of Animal kingdom which includes insects. Over two-thirds of all named species on earth are arthropods They have organ-system level of organisation.They are bilaterally symmetrical, triploblastic, segmented and coelomate animals.The body of arthropods is covered by chitinous exoskeleton.The body consists of head, thorax and abdomen.They have jointed appendages (arthros-joint, poda-appendages). Read more in App