State the main causes which are a threat to the ecosystem

State the main causes which are a threat to the ecosystem.
Answer:

  • Hunting and poaching by greedy hunters for commercial purpose and their profits.
  • Pollution due to chemical and industrial waste and acid deposits.
  • Introduction of alien species and reckless cutting of forests to bring land under cultivation.
  • People have inhabited the areas by clearing the forests. They are also responsible for the imbalance.