Which reptile went back into water to evolve into fish like reptile?

Options

A. Ichthyosaurs
B. Calotes
C. Hemidachtylus
D. Alligator

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Question**: The question asks which reptile returned to the water and evolved into a fish-like reptile.

2. **Identifying the Options**: The options provided are:
- A) Ichthyosaurus
- B) Calots
- C) Hamidae
- D) Alligator

3. **Analyzing the Options**:
- **Ichthyosaurus**: This reptile is known for its adaptations to aquatic life and resembles fish in many aspects. It lived approximately 200 million years ago and is considered a marine reptile that evolved from land-dwelling ancestors.
- **Calots**: This is not a recognized reptile that fits the description in the question.
- **Hamidae**: This term does not refer to a specific reptile known for returning to water.
- **Alligator**: Although it is a reptile, it did not evolve from land to water in the context of becoming fish-like.

4. **Conclusion**: Based on the analysis, the correct answer is **A) Ichthyosaurus**, as it is the reptile that adapted to a marine lifestyle and evolved features similar to fish.

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