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Sign in to searchECOLOGY AND ENVIRONMENT
PRERNA FOR IAS
ENVIRONMENTAL SCIENCE THE BIOSPHERE
1. Biosphere
The biosphere is the global zone of life on Earth where living organisms exist and interact with the atmosphere, hydrosphere, and lithosphere. It includes all ecosystems, from deep oceans to high mountains. The biosphere supports biodiversity by providing suitable conditions for plants, animals, and microorganisms. It functions through the continuous exchange of energy and nutrients among living and non-living components. The biosphere is often called the “sphere of life” because it contains all known life forms. It plays a crucial role in maintaining ecological balance, supporting food chains, regulating c
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Explore the biosphere as Earth's life zone. Learn about life-supporting zones, biomes, vertical range of life, and interconnected ecosystems sustaining biodiversity.
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