Question

which one of the following is the largest ecosystem on the earth?

a) hydrosphere. b)biome

c) lithosphere d) biosphere

Answer 1

The largest ecosystem of the earth is the biosphere.

The atmosphere of the whole earth from oceans to mountains, deserts to the forest, all is covered by it.

Though the ecosystem of the earth can be divided into many narrow subdivisions and are known as hydrosphere, biosphere, Lithosphere and the Biome.

Answer 2

The correct answer for your question is biosphere

Biosphere is the single largest ecosystem of the earth. Simply, biosphere is known as the sum of all ecosystems also known as the ecosystem also the zone of life on earth.  

Biosphere is known to be largely self-regulating. The biosphere can be simply defined as the global ecological system that consist of all living organisms and their interaction with earth’s spheres.