Question

mention the causes for changes in the ecosystem

Answer 1

Natural or human-induced factors that directly or indirectly cause a change in an ecosystem are referred to as drivers. A direct driver, such as habitat change, explicitly influences ecosystem processes.

Answer 2

the causes for the changes in the ecosystem are
1) cuting down of tree
2)global warming
3) polution of air
4) over hunting
5) high use of pesticide and fertilizers