What is Biosphere?
- Biosphere, the fourth sphere of the Earth, is a life-supporting layer that exists on the earth’s surface.
- This layer on earth encompasses the Lithosphere, Hydrosphere, and Atmosphere.
- It includes flora and fauna that thrive on or near the earth’s surface.
- Biosphere harbors all ecosystems on the earth and sustains life forms including mankind.
Concept: Introduction of Biosphere
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