The body of earthworm is dividied into similar semgnets called

Options

A. A) peristomium
B. B) clitellum
C. C) setae
D. D) metameres

Explanation

To solve the question "The body of earthworm is divided into similar segments called," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question is asking for the term used to describe the segments of the earthworm's body.

2. **Identify the Options**: The options provided are:
- A) Periosteum
- B) Clitellum
- C) Setae
- D) Metamers

3. **Analyze Each Option**:
- **Option A: Periosteum**: This is a membrane that covers bones in vertebrates and is not related to earthworm anatomy.
- **Option B: Clitellum**: This is a thickened, glandular section of the earthworm's body involved in reproduction, but it does not refer to the segments.
- **Option C: Setae**: These are bristle-like structures on the earthworm's body that help in locomotion, but they are not the segments themselves.
- **Option D: Metamers**: This term refers to the repeated segments of the body in annelids, including earthworms.

4. **Select the Correct Answer**: Based on the analysis, the correct answer is **Option D: Metamers**. The body of the earthworm is indeed divided into similar segments known as metamers.

5. **Conclusion**: Therefore, the body of the earthworm is divided into similar segments called **metamers**.