Explain the terms biosphere and ecosystem.

Biosphere

The existence of the natural vegetation and wildlife is there only in the narrow zone where there is contact between the lithosphere, atmosphere and hydrosphere. The contact with the lithosphere, hydrosphere and atmosphere are what we call the biosphere. It includes the air, water and land and interacts altogether to support life.

Ecosystem

It is the system formed the interaction all living organisms with each other with both physical and chemical factors of the environment in which they live. It can be a relation between the living organisms such as plants and animals as well as the relation between the organisms such as mountains and rivers and their surroundings form the ecosystem.