Animals with cursorial adaptation is:

Options

A. Tree Frog
B. Monkey
C. Chamaeleon
D. Horse.

Answer

### Step-by-Step Solution:

1. **Understanding Cursorial Adaptation**:
- Cursorial adaptation refers to the physical adaptations that enable certain animals to run efficiently over land. These adaptations often include long, strong limbs that facilitate speed and endurance.

2. **Identifying Cursorial Animals**:
- Cursorial animals are typically found in open spaces and are well-suited for running on hard ground. Examples of cursorial animals include horses, lions, and deer.

3. **Analyzing the Options**:
- The question provides four options:
1. Tree frog
2. Monkey
3. Chameleon
4. Horse
- We need to determine which of these animals has cursorial adaptations.

4. **Evaluating Each Option**:
- **Tree Frog**: Primarily adapted for climbing and jumping, not running.
- **Monkey**: While they can move quickly, they are not specifically adapted for running on hard ground.
- **Chameleon**: Adapted for slow movement and camouflage, not for running.
- **Horse**: Strongly adapted for running with long, powerful limbs, making it a prime example of a cursorial animal.

5. **Conclusion**:
- After evaluating all options, the only animal that exhibits cursorial adaptation is the horse. Therefore, the correct answer is option 4: Horse.

### Final Answer:
The animal with cursorial adaptation is: **Horse** (Option 4).

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