The resting state of reptiles in winter is

Options

A. Hibernation
B. Aestivation
C. Diapause
D. Moulting.

Answer

To solve the question regarding the resting state of reptiles in winter, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks about the specific term that describes the resting state of reptiles during the winter months.

2. **Identify the Options**: The options provided are:
- Option 1: Hibernation
- Option 2: Estivation
- Option 3: Diapause
- Option 4: Molting

3. **Define Each Term**:
- **Hibernation**: A state of inactivity and metabolic depression in animals during winter, allowing them to conserve energy when food is scarce.
- **Estivation**: A similar state of dormancy but occurs in response to high temperatures and arid conditions, typically in summer.
- **Diapause**: A period of suspended development in some organisms, often related to environmental conditions, but not specifically for reptiles.
- **Molting**: The process of shedding old skin or exoskeleton, which is not related to a resting state.

4. **Analyze the Options**:
- Since reptiles enter a state of dormancy during the winter to conserve energy, the correct term that describes this state is **hibernation**.
- Estivation is not applicable as it pertains to summer.
- Diapause is not relevant to reptiles specifically.
- Molting does not describe a resting state.

5. **Conclusion**: Based on the definitions and analysis, the correct answer to the question is **Option 1: Hibernation**.

### Final Answer:
The resting state of reptiles in winter is **Hibernation**.

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