During a Zoology practical, the body wall of Hydra develops from ectoderm and endoderm with mesoglea between them. Select the most accurate identification.

Cnidarians are diploblastic animals because they develop from two germ layers. The mesoglea lies between epidermis and gastrodermis but is not a true mesodermal layer. This MCQ belongs to the Cnidaria topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.