Q- State the main causes which are a threat to the ecosystem?
Answer- The main causes which are a threat to the ecosystem are as follows:
1. Pollution due to chemical and Industrial waste and acid deposits.
2. Introduction of alien species and reckless cutting of forests to bring land under cultivation.
3. Hunting and poaching by greedy hunters for commercial purpose and other profits.
4. People have inhabited the areas by clearing the forests. They are also responsible for the imbalance.