Question

The cellular level of organization is found in phylum_________.

Answer 1

Phylum Porifera:

1. These are primitive organisms possessing the cellular level of organization, much closer to unicellular organisms as they lack a tissue level of organization.
2. They are acoelomate, i.e., these animals do not possess a body cavity or coelom.
3. These animals have an asymmetric body shape.
4. These are also known as “Sponges”.

Final answer: The cellular level of organization is found in the Porifera phylum.