Question

A marine biologist discovers a new marine animal that has a coelom, but it does not develop from the mesodermal tissues. Under which category should she classify this animal?

pseudocoelomate
acoelomate
coelomate

Answer 1

The answer is Pseudocoelomate

A Pseudocoelomate is not fully lined by mesoderm.

This category of animals have a pseudocoelom which gave them a hydrostatic pressure to give their body a supportive framework that could acts as a skeleton.