Mention the location of setae in earthworm.

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Earthworm Structure**: Earthworms have a segmented body structure, which is divided into multiple segments.

2. **Identifying Setae**: Setae are small bristle-like structures that are found on the surface of the earthworm's body. They play a crucial role in locomotion.

3. **Location of Setae**: Setae are located on each body segment of the earthworm, but there are exceptions. They are absent in the following segments:
- The first segment (prostomium)
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