What is meant by biosphere
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The biosphere, (from Greek bios = life, sphaira, sphere) is the layer of the planet Earth where life exists.
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The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients. ... Earth's environmental spheres. Earth's environment includes the atmosphere, the hydrosphere, the lithosphere, and the biosphere.
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