biosphere, relatively thin life-supporting stratum of Earth's surface, extending from a few kilometres into the atmosphere to the deep-sea vents of the ocean. The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients.
The biosphere consists of several physical layers that contain:
Air
Life
Water
Minerals
Soil
The biosphere is the highest level of life's organization. It is the layer of the earth at which life is found. All communities on earth, air, land and water, where life exists is part of the biosphere. The biosphere covers only 0.00008 percent of the earth
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ANSWER
biosphere
QUESTION:
What is The life-supporting layer of the earth?
ANSWER:
BIOSPHERE
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The biosphere consists of several physical layers that contain:
The biosphere is the highest level of life's organization. It is the layer of the earth at which life is found. All communities on earth, air, land and water, where life exists is part of the biosphere. The biosphere covers only 0.00008 percent of the earth