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The Biosphere

 




The biosphere is the narrow zone of contact between land (lithosphere) , water (hydrosphere) and air (atmosphere) , where life forms exist .

It is called the living world or the biological environment . Every thing in the biosphere is interconnected and interdependent.

Use of Biosphere

  • Forests are source of timber, fruits, nuts, resins, lac and medicinal herbs.
  • Forests are the natural habitats for various plants and animals.
  • forests help moderate atmospheric temperature by absorbing carbon di oxide and adding moisture to the air through transpiration.
  • Many animals depend on forests and grassland for their food.
  • Humans in turn dependent on animals as a source of food.
Some people are dependent on animals to carry heavy loads.



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