Differentiate between Agnatha and gnathostomata

Explanation

### Step-by-Step Solution:

1. **Definition of Agnatha**:
- Agnatha refers to a group of fish that are characterized by the absence of jaws. They are often referred to as jawless fish.

2. **Characteristics of Agnatha**:
- **Lack of Jaws**: Agnatha do not possess jaws, which is a significant feature that distinguishes them from other fish.
- **Absence of Paired Appendages**: They also lack paired appendages (fins), which are present in many other fish species.
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