Life span of Pheretima is

Options

A. 10 - 12 years
B. 6 - 9 years
C. 6 months
D. 3.5 - 10.5 years

Answer

**Step-by-Step Solution:**

1. **Identify the Scientific Name**: The scientific name for the common earthworm is Pheretima. Recognizing this is crucial for understanding the context of the question.

2. **Understand Lifespan Context**: The lifespan of an organism can vary based on species and environmental factors. In this case, we are focusing on the lifespan of Pheretima specifically.

3. **Recall Lifespan Information**: From biological studies and literature, it is known that the average lifespan of Pheretima (earthworm) ranges between 6 to 9 years.

4. **Select the Correct Option**: Given the options provided (10 to 12 years, 6 to 9 years, 6 months, or 3.5 to 10.5 years), the correct answer based on the average lifespan is 6 to 9 years.

5. **Conclude the Answer**: Therefore, the lifespan of Pheretima is 6 to 9 years.

**Final Answer**: The lifespan of Pheretima is 6 to 9 years.

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