Horn Toad is

Options

A. Reptile
B. Mammal
C. Amphibian
D. Fish

Answer

### Step-by-Step Solution:

1. **Identify the Organism**: The question asks about the "Horn Toad."

2. **Determine the Classification**: We need to classify the Horn Toad among the given options: reptile, mammal, amphibian, or fish.

3. **Research the Horn Toad**: The Horn Toad is known to be a genus of lizards found in North America.

4. **Understand the Characteristics of Reptiles**: Reptiles are characterized by their scaly skin, laying of eggs on land, and being cold-blooded.

5. **Confirm the Classification**: Since the Horn Toad is a lizard, and lizards are classified as reptiles, we can conclude that the Horn Toad is indeed a reptile.

6. **Final Answer**: Therefore, the correct classification for the Horn Toad is "reptile."