Asked by Brenden Elkins on Jun 30, 2024
Verified
Which of the following organisms has a true coelom?
A) sponges
B) hydras
C) flatworms
D) roundworms
E) earthworms
True Coelom
A fluid-filled body cavity completely lined by tissue derived from the mesoderm, found in most complex animals, which provides a space for organ development and movement.
Sponges
Simple aquatic animals that draw water containing food particles into their porous bodies by means of flagellated cells.
Hydras
A type of small, freshwater organisms from the phylum Cnidaria, known for their regenerative abilities.
- Understand the reproductive strategies and developmental stages of various animal groups.
Verified Answer
TF
Thabata FarahJul 03, 2024
Final Answer :
E
Explanation :
Earthworms have a true coelom, which is a body cavity completely lined by mesoderm. The other organisms listed either lack a body cavity (sponges, hydras) or have a body cavity that is not completely lined by mesoderm (flatworms, roundworms).
Learning Objectives
- Understand the reproductive strategies and developmental stages of various animal groups.