Comb jellies belong to

Options

A. Porifera
B. Cnidaria
C. Ctenophora
D. Corals

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the classification of comb jellies. We need to identify the correct phylum to which comb jellies belong.

2. **Identifying Options**: The options provided are:
- 1st option: Porifera
- 2nd option: Cnidaria
- 3rd option: Ctenophora
- 4th option: Corals

3. **Characteristics of Comb Jellies**:
- Comb jellies are oval-shaped animals.
- They have 8 rows of comb-like plates.
- They use these plates to move through water by beating them.

4. **Habitat**: Comb jellies are primarily found in marine environments, indicating they are aquatic organisms.

5. **Identifying the Correct Phylum**:
- Porifera includes sponges, which do not resemble comb jellies.
- Cnidaria includes jellyfish and corals, but not comb jellies specifically.
- Ctenophora is the phylum that includes comb jellies, characterized by their unique locomotion using cilia on their comb plates.

6. **Conclusion**: Based on the characteristics and the habitat of comb jellies, we conclude that they belong to the phylum **Ctenophora**.

**Final Answer**: Comb jellies belong to **Ctenophora**.

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