Question Detail

ZOO 102 Foundations of Animal Systematics and Phylogeny Objective Question

Question

What is the primary role of the non-living layer in diploblasts?
Options
A It functions as a circulatory system
B It separates the endoderm and ectoderm
Correct Answer
C It develops into the mesoderm in adults
D It acts as a primary nervous system
Correct Answer

Option B is the correct answer.

Detailed Explanation

In diploblasts, the non-living layer simply occupies the space between the inner endoderm and outer ectoderm. It does not become a mesoderm or a circulatory system.

Hint

It is a structural divider between the two germ layers.

Question Info