Cellular level of organization is found in _______phylum

Explanation

**Step-by-Step Solution:**

1. **Understanding Cellular Level of Organization**: The cellular level of organization refers to organisms whose bodies are made up of individual cells without any specialized tissues. This means that the cells function independently and do not form complex structures.

2. **Identifying the Phylum**: The question asks for the specific phylum where this cellular level of organization is found. The phylum that exemplifies this level of organization is "Porifera".

3. **Characteristics of Porifera**: Organisms in the phylum Porifera, commonly known as sponges, are characterized by their simple body structure. They lack true tissues and organs, which makes them very primitive compared to other animal groups.

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