The radula is found in__________________ and helps in _____________

Options

A. Mollusca, feeding.
B. Mollusca, respiration
C. Echinodermata, excretion
D. Echinodermata, circulation

Answer

**Step-by-Step Solution:**

1. **Identify the Organ**: The question asks about the radula. The radula is a specialized feeding organ found in certain animals.

2. **Determine the Phylum**: The radula is specifically found in the phylum Mollusca. This phylum includes a diverse group of animals such as snails, slugs, clams, and octopuses.

3. **Understand the Function**: The primary function of the radula is for feeding. It acts like a rasping organ that helps in scraping or cutting food before ingestion.

4. **Conclude the Answer**: Based on the information gathered, we can conclude that the radula is found in Mollusca and helps in feeding.

**Final Answer**: The radula is found in **Mollusca** and helps in **feeding**.

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