Biosphere is the narrow contact zone between the atmosphere, lithosphere and hydrosphere,where life forms exist *The biosphere is formed by the interaction of flora( plants) and fauna ( animals) *The word 'bios' means ' life' in Greek .
The biosphere is the global zone encompassing all living organisms and their interactions with the environment. It interacts with the atmosphere, lithosphere, and hydrosphere, and it is estimated to extend from below the surface to the highest points in the atmosphere. Understanding the biosphere is crucial for studying ecosystems and the life they support.
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