Male genital aperture of earthworms is located in the segment

Options

A. 14
B. 18
C. 19
D. 22

Answer

To determine the segment in which the male genital aperture of earthworms is located, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Anatomy of Earthworms**:
- Earthworms have a segmented body, and various reproductive structures are located in specific segments.

2. **Identify the Male Genital Aperture**:
- The male genital aperture is an opening through which male reproductive organs release sperm.

3. **Locate the Segment**:
- It is known that the male genital pore in earthworms is specifically located in segment 18.

4. **Confirm the Answer**:
- Based on the anatomical structure of earthworms, we can confirm that the male genital aperture is located in segment 18.

5. **Select the Correct Option**:
- From the given options (A: 14, B: 18, C: 19, D: 22), the correct answer is option B, which is 18.

### Final Answer:
The male genital aperture of earthworms is located in segment **18**.

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