Name an animal in which exchange of gases during breathing takes place through its thin and moist skin. ?

Options

A. Frog
B. Earthworm
C. Whale
D. Fish

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for an animal that breathes through its skin, specifically mentioning that the skin must be thin and moist for gas exchange.

2. **Identifying Gas Exchange**: In respiration, the primary gases exchanged are oxygen (which enters the body) and carbon dioxide (which is expelled).

3. **Recognizing Different Breathing Organs**: Different animals have different organs for breathing. For example, humans use lungs, while fish use gills.

4. **Identifying Animals that Breathe Through Skin**: Some animals do not have specialized breathing organs and instead rely on their skin for gas exchange.

5. **Examples of Such Animals**: The transcript mentions several animals that breathe through their skin, including tapeworms, earthworms, and leeches.

6. **Focusing on One Example**: Among these examples, the earthworm is a notable one because its skin is specifically described as thin and moist, making it ideal for gas exchange.

7. **Conclusion**: Therefore, the answer to the question is the **earthworm**.

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