What is an eco-system?

Or

Explain ‘natural eco-system’. Why is any attempt to tamper with eco-system is results with grave risks? Mention two reasons.

The interaction among the physical features, vegetation and animals, etc. is called a natural eco-system.

Any attempt to tamper with eco-system results in grave risks for human as well as animals and vegetation cover because :

1.  The vegetation is the main source of providing food for man and animals.

2. The animals and natural resources are also helpful for healing their environment. So their should be no unchecked activities in all these sectors, otherwise diseases will spread.