Botany - Animal Kingdom Question with Solution | TestHub

The body of Ctenophora bears eight external rows of ciliated comb plates, which help in locomotion. Phylum Cnidaria contain stinging cells called cnidoblasts or cnidocytes, which are used for Anchorage, Defence and for the capturing of prey. ​The parapodia, of annelid, helps in propel the worm in crawling and swimming; parapodia are tipped with bundles of setae, usually made of chitin. Sclerites are the hardened body part found in Arthropoda.