Octopus belongs to class

Options

A. Echinoidea
B. pelecypoda
C. Gastropoda
D. Cephalopoda

Answer

To determine the class to which the octopus belongs, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Phylum**:
- The octopus is part of the Phylum Mollusca. This phylum is known for its soft-bodied organisms, which often have a calcareous shell.

2. **Understand the Characteristics of Mollusca**:
- Organisms in this phylum do not have scales or segmentation. They typically have a soft body covered by a shell.

3. **Classify the Octopus**:
- Within the Phylum Mollusca, there are several classes. The octopus specifically belongs to the class Cephalopoda.

4. **Define Cephalopoda**:
- Cephalopoda is characterized by a head that is directly attached to the foot, which is modified into tentacles or arms. In the case of the octopus, these tentacles are used for grasping prey.

5. **Conclusion**:
- Therefore, the octopus belongs to the class **D. Cephalopoda**.

### Final Answer:
The octopus belongs to the class **D. Cephalopoda**.

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