The surface zone of the earth is occupied by living organisms is referred to as the?

The surface zone of the earth that is occupied by living organisms is referred to as the biosphere. The biosphere includes all living organisms on earth, including animals, plants, and microorganisms, as well as their interactions with each other and with the non-living components of the environment such as water, air, and soil. The biosphere is characterized by its diversity of life forms and the various ecological processes that sustain life on earth. This zone extends from the upper part of the atmosphere down to the deepest parts of the oceans and includes both terrestrial and aquatic ecosystems. It is the only place in the universe that is known to support life. In summary, the biosphere is the surface zone of the earth that is occupied by living organisms and includes all the ecosystems on the planet, both terrestrial and aquatic.