The class Aves includes ______ .

Options

A. reptiles
B. amphibians
C. birds
D. fish

Explanation

To answer the question, "The class Aves includes ______," we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Class Aves**:
- Aves is a class in the biological classification system. It is essential to understand what this class represents.

2. **Understand the Characteristics of Aves**:
- The class Aves consists of organisms that are warm-blooded, have feathers, and are vertebrates. These characteristics are crucial in identifying members of this class.

3. **Recognize the Members of Aves**:
- The primary members of the class Aves are birds. Birds are characterized by having feathers, beaks, and the ability to lay eggs.

4. **Conclusion**:
- Based on the characteristics and the definition of the class Aves, we can conclude that the class Aves includes birds.

### Final Answer:
The class Aves includes **birds**.

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