NEET BIOLOGY

Detailed explanation-1: -The body cavity, which is lined by mesoderm is called coelom. Animals possessing such a coelom are called coelomates. Examples include the annelids, molluscs, arthropods, echinoderms, hemichordates and chordates.

Detailed explanation-2: -The protostome coelomates (acoelomates and pseudocoelomates are also protostomes) include the mollusks, annelids, arthropods, pogonophorans, apometamerans, tardigrades, onychophorans, phoronids, brachiopods, and bryozoans. Deuterostomes include the chaetognaths, echinoderms, hemichordates, and chordates.

Detailed explanation-3: -Coelomates are organisms that have coelom or body cavity. Coelomate animals possess coelom between the body wall and digestive tract.

Detailed explanation-4: -What Is Coelomic Cavity? In most animals, Coelom is the main body cavity located in the body to envelop and contain the internal organs, digestive tract etc. It is a hollow, fluid-filled cavity serving as a skeleton.