Name the amphibian which does not have two pairs of limbs.

Options

A. Bufo
B. Ichthyophis
C. Hyla
D. Rana

Answer

To solve the question of which amphibian does not have two pairs of limbs, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for an amphibian that lacks two pairs of limbs. This means we are looking for an amphibian that does not have the typical structure of four limbs (two forelimbs and two hindlimbs).

2. **Identify the Options**: The options provided are:
- A) Bufo
- B) Ichthyophis
- C) Hyla
- D) Rana

3. **Recall Amphibian Characteristics**: Amphibians are cold-blooded vertebrates that typically have a life cycle that includes both aquatic and terrestrial stages. Most amphibians possess two pairs of limbs.

4. **Analyze Each Option**:
- **Bufo**: Commonly known as toads, they have two pairs of limbs.
- **Ichthyophis**: This is a genus of caecilians, which are limbless amphibians. They belong to the order Gymnophiona.
- **Hyla**: Known as tree frogs, they have two pairs of limbs.
- **Rana**: This is a genus of true frogs, which also have two pairs of limbs.

5. **Identify the Correct Answer**: From the analysis, Ichthyophis is the only option that does not have two pairs of limbs. It is a limbless amphibian, which is characteristic of caecilians.

6. **Conclusion**: Therefore, the amphibian that does not have two pairs of limbs is **Ichthyophis**.

### Final Answer:
**Ichthyophis**

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