Ommatida are found in:

Options

A. Eyes of birds
B. Eye or frog
C. Eye of insects
D. Eye of rabbit

Answer

**Step-by-Step Solution:**

1. **Understanding Ommatidia**: Ommatidia are the structural units of compound eyes found in certain arthropods, specifically in insects and crustaceans. They are not found in the eyes of birds, frogs, or rabbits.

2. **Identifying the Organisms**: The question provides four options: birds, frogs, insects, and rabbits. We need to determine which of these has ommatidia.

3. **Recognizing the Characteristics of Ommatidia**: Each ommatidium consists of a cluster of photoreceptor cells, surrounded by support cells and pigment cells. This structure allows for the perception of images.

4. **Determining the Correct Answer**: Since ommatidia are specifically found in the compound eyes of insects, the correct answer to the question is "insects."

5. **Conclusion**: Therefore, the answer to the question "Ommatidia are found in:" is "insects."

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