There are three animals X, Y and Z . The animal X can stay in water as well as on land and can breathe through its moist skin as well as lungs. The animal Y always lives in water and had gills for breathing. On the other hand, animal Z lives in soil and breathes only through its skin.
name one animal which always lives in water but has no gills for breathing

Answer

To answer the question, we need to analyze the information provided about the three animals X, Y, and Z.

### Step-by-Step Solution:

1. **Identify the Characteristics of Each Animal**:
- **Animal X**: Can live both in water and on land. Breathes through moist skin and lungs.
- **Animal Y**: Always lives in water and has gills for breathing.
- **Animal Z**: Lives in soil and breathes only through its skin.

2. **Understand the Question**:
- We need to name one animal that always lives in water but does not have gills for breathing.

3. **Analyze the Options**:
- Animal Y is the one that always lives in water and has gills.
- Animal X can live in water but also on land and can breathe through lungs and skin.
- Animal Z lives in soil and does not fit the criteria.

4. **Find an Example**:
- An example of an animal that always lives in water but does not have gills is a **frog**. Frogs are amphibians that can live in water and breathe through their skin when in water, especially during their larval stage (tadpoles), but as adults, they primarily use lungs.

5. **Conclusion**:
- Therefore, one animal that always lives in water but has no gills for breathing is a **frog**.

### Final Answer:
A frog is an example of an animal that always lives in water but has no gills for breathing.

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