Question

Life itself constitutes a separate sphere called ‘Biosphere’. Explain.

Answer 1

• The Earth is a unique planet, in that it has life. 
• It is inhabited by countless forms of life from microscopic bacteria to great banyan
• trees and animals like lions and blue whales and of course human beings. 
• The earth has a combination of land, air and water and a moderate temperature has made life possible on it. 
• Various forms of life are not only related to the three spheres around them, but also to one another. 
• They influence one another and they are part of a complete “food chain.” 
• Hence geographers are of the opinion that “life itself constitutes a separate sphere called ‘Biosphere’.