Question

Name one acoelomate.

Answer 1

Acoelomate:

1. Acoelomates are animals that do not possess a body cavity.
2. Unlike coelomates, they do not have a fluid-filled cavity between the digestive tract and body wall.
3. They are known to have a triploblastic body plan which means that their organs and tissues develop from three primary embryonic cell layers.
4. The three embryonic cell layers through which a triploblastic body outgrows are endoderm, mesoderm, and ectoderm.
5. Acoelomates lack developed organs.

Example of an acoelomate:

1. An example of acoelomates is a flatworm.
2. It belongs to the phylum Platyhelminthes.
3. These are unsegmented and have bilateral symmetry.