Question

mention some five ways how ecosystem be conserved

Answer 1

You can always save the ecosystem by several ways
First you should reduce the use of car to reduce the effect of harmful gases which are responsible for greenhouse.
You can use cycling,walking etc.....

Secondly you can reduce the use of plastics.
plastics have done a lot of trouble to our environment.

Third reduce food wastage.
Dumping food in rivers can make severe problem.

Four Plant trees as much as possible.