Question

Coelom, the cavity between the alimentary canal and the body wall is enclosed by

• A. ectoderm and endoderm
• B. mesoderm and ectoderm
• C. ectoderm on both sides
• D. mesoderm on both sides

Answer 1

The correct option is D

mesoderm on both sides

Coelom is the body cavity in some animals such as annelids, molluscs, arthropods, echinoderms, hemichordates and chordates, which is lined by the mesoderm.

The ectoderm and endoderm are the external and internal germ layers, respectively, in animals such as cnidaria.