Snails belong to which phylum?

Options

A. Annelida
B. Mollusca
C. Arthropoda
D. Echinodermata

Answer

**Step-by-Step Solution:**

1. **Understanding Snails**: Snails are soft-bodied animals that are often recognized by their hard outer shell.

2. **Identifying the Shell Composition**: The outer shell of a snail is primarily made of calcium carbonate, which provides protection and structure.

3. **Body Structure**: Unlike many other animals, snails do not have bones. Instead, their bodies are composed of muscles, which allow for movement.

4. **Phylum Classification**: Based on their characteristics, snails are classified under the phylum Mollusca. This phylum includes a variety of soft-bodied animals, many of which have shells.

5. **Locomotion**: Snails possess a muscular foot that aids in locomotion, which is another characteristic of mollusks.

6. **Conclusion**: Therefore, snails belong to the phylum Mollusca.

**Final Answer**: Snails belong to the phylum Mollusca.

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