Question

What is Ecosystem? Discuss the food chain of the Ecosystem.

Answer 1

Ecosystem is an area in which the living and non living components interact with each other to form a stable self supporting system.
The flow of energy from one trophic level to another is called food chain.
Food Chain help in maintaining and regulating the population size of different organisms and thus help in maintaining the ecological balance.
It is for food chains that the energy flow and nutrient cycle is carried out. 

Answer 2

Answer:

A food chain describes how energy and nutrients move through an ecosystem