Question Detail

ZOO 102 Foundations of Animal Systematics and Phylogeny Objective Question
Take CBT

Question

What defines an 'acoelomate' animal?
Options
A A triploblast where the mesoderm region is completely filled with tissue
Correct Answer
B An animal that lacks a digestive cavity
C A diploblast with a false body cavity
D An animal with a coelom derived from the endoderm
Correct Answer

Option A is the correct answer.

Detailed Explanation

Acoelomates are triploblasts that do not develop a coelom; their mesoderm region is solid tissue. They still have a gut cavity, but no secondary body cavity.

Hint

The prefix 'a-' means without.

Question Info

Course: ZOO 102
Topic: Foundations of Animal Systematics and Phylogeny
Type: Objective
Difficulty: Not specified
Question 207 of 737
Previous Course Details Next