Mollusca includes

Options

A. Dorso-ventrally flattened animals
B. Pseudocoelomate animals
C. soft-bodies animals
D. Spiny-bodies animals

Explanation

**Step-by-Step Solution:**

1. **Understanding Mollusca**: Begin by recognizing that Mollusca is a significant phylum in the animal kingdom, known for its diversity and classification. It is the second largest phylum.

2. **Characteristics of Mollusca**: Mollusca includes organisms that are primarily soft-bodied. This is a defining characteristic of the phylum.

3. **Analyzing the Options**:
- **Option 1: Dorsoventrally Flattened Animals**: This describes flatworms, which belong to the phylum Platyhelminthes, not Mollusca. Therefore, this option is incorrect.
- **Option 2: Pseudocoelomate Animals**: Pseudocoelomates are animals with a false body cavity, such as nematodes. This does not apply to Mollusca, making this option incorrect as well.
- **Option 3: Soft-bodied Animals**: Mollusca is characterized by soft-bodied organisms, which makes this option correct.
- **Option 4: Spiny-bodied Animals**: This refers to organisms in the phylum Echinodermata, such as starfish and sea urchins. Hence, this option is also incorrect.

4. **Conclusion**: After evaluating all the options, the only correct answer is that Mollusca includes soft-bodied animals.

**Final Answer**: Mollusca includes soft-bodied animals.

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