Life span of Pheretima is

Options

A. 10 - 12 years
B. 6 - 8 years
C. 6 months
D. 3.5 - 10.5 years

Answer

To determine the lifespan of Pheretima, commonly known as the earthworm, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organism**: Recognize that Pheretima refers to a type of earthworm. Earthworms are important organisms in soil ecosystems.

2. **Understand the Lifespan**: From the video transcript, we learn that the lifespan of Pheretima is not 10-12 years or 6-8 years.

3. **Review the Options**: The transcript discusses various lifespan options for earthworms:
- 10-12 years (incorrect)
- 6-8 years (incorrect)
- 6 months (incorrect)
- 3.5-10 years (correct)

4. **Conclusion**: The correct lifespan of Pheretima (earthworm) is between 3.5 to 10 years.

### Final Answer:
The lifespan of Pheretima (earthworm) is approximately **3.5 to 10 years**.

---