Why is Eichhornia crassipes nicknamed as ''Terror of Bengal'' ?

Explanation

**Step-by-Step Solution:**

1. **Introduction to Eichhornia crassipes**: Eichhornia crassipes, commonly known as water hyacinth, is an aquatic plant that is native to the Amazon basin but has spread to many parts of the world, including Bengal.

2. **Rapid Growth**: One of the key characteristics of Eichhornia crassipes is its ability to reproduce rapidly. This plant can double its population in a matter of weeks under favorable conditions.

3. **Oxygen Absorption**: As it grows quickly, water hyacinth absorbs a significant amount of oxygen from the water. This process can lead to a decrease in dissolved oxygen levels in the aquatic environment.

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