Zoology 10th Edition by Stephen Miller,John Harley

تمرين 3

An animal possesses a body cavity, a layer of muscle that underlies the outer body wall, and a gut track without associated muscle or connective tissue. This animal's body organization is
A) diploblastic.
B) triploblastic acoelomate.
C) triploblastic pseudocoelomate.
D) triploblastic coelomate.