Question

What is ecosystem. ? Is ecosystem is necessary for our life ?If yes , why

Answer 1

Ecosystem

It is the interaction of living things among themselves and with their surrounding environment.There are two basic ecosystems terrestrial and aquatic.

Structure of Ecosystem

The interactions between the various biotic and abiotic factors of an ecosystem lead to the maintenance of the ecosystem.Stratification is the vertical distribution of the different species occupying the different levels. For example, trees occur at a higher level then shrubs.The various aspects taken into consideration to study the functioning of ecosystem are:

Productivity

Decomposition

Energy flow

Nutrient cycling