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.