LESSON 3

Q1 a) DEFINE ENVIRONMENT.


      b)STATE THE SIGNIFICANCE OF THE FOLLOWING COMPONENTS OF THE
          ENVIRONMENT :
          i)ABIOTIC                                         ii)BIOTIC

      c)GIVE THREE EXAMPLES OF EACH :

          i)ABIOTIC COMPONENT               ii)BIOTIC COMPONENT

Q2  EXPLAIN BRIEFLY THE ROLE OF THE FOLLOWING IN SUSTAINING LIFE ON EARTH :

     i) LITHOSPHERE                  ii)HYDROSPHERE                     iii) ATMOSPHERE


Q3  GIVE ONE WORD FOR EACH OF THE FOLLOWING :


     i)  THE LIVING PART OF THE PLANET.


     ii) A DISTINCT AREA IN THE BIOSPHERE WHICH CONTAINS LIVING THING

 
    iii) THE LARGEST RECOGNISABLE TERRESTRIAL UNIT OF THE BIOSPHERE.


   iv)THE NATURAL HOME OF A GROUP OF PLANTS  AND ANIMALS.


   v) THE STUDY OF LIVING THINGS IN THEIR NATURAL SURROUNDINGS.