Portuguese Man of War is

Options

A. Pennatula
B. Coral
C. Physalia
D. Obelia

Answer

### Step-by-Step Solution:

1. **Identify the Question**: The question asks about the classification of the Portuguese Man of War.

2. **List the Options**: The options provided are:
- A) Penetula
- B) Coral
- C) Physalia
- D) Obelia

3. **Understand the Phylum**: All the options belong to the phylum Cnidaria, which is characterized by radial symmetry and tissue-level organization.

4. **Analyze Each Option**:
- **A) Penetula**: This organism belongs to the class Anthozoa and is commonly known as the sea pen. It is elongated and resembles a quill pen. Therefore, it cannot be the Portuguese Man of War.
- **B) Coral**: Coral also belongs to the class Anthozoa and forms compact colonies consisting only of polyps, making it sessile. Thus, it is not the Portuguese Man of War.
- **C) Physalia**: This organism belongs to the class Hydrozoa. Physalia resembles jellyfish but is not a true jellyfish. It is known as the Portuguese Man of War because it has a gas-filled bladder that floats above the water, resembling an old warship with sails. This makes it the correct answer.
- **D) Obelia**: Obelia also belongs to the class Hydrozoa and is known as the seafarer. It can be found in both marine and freshwater environments, but it is not the Portuguese Man of War.

5. **Conclusion**: Based on the analysis, the correct answer is **C) Physalia**, as it is the scientific name for the Portuguese Man of War.

### Final Answer:
The Portuguese Man of War is **C) Physalia**.

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