our earth and man made environment and it totality

           Environment

The sum of total of all conditions prevail in our surroundings (including one or more ecosystems)make our environment .

Both environment and ecosystems have similar comments---living or non -living .they form system of interaction and interdependence. 

  

            COMPONENTS OF                                                ENVIRONMENT

The term environment comes from the latin word 'environ; which is the combination of two word ,'En' (in)and 'viron' (circle),  meaning to encircle or to sarround .two main components -- Natural  and Human 

                

           components of environment

        1 Natural          2 Human 

      (  i) Biotic            ( i) society

                                (ii) man made structures(         (ii) Abiotic 

Natural Environment

  different between  biotic and Abiotic

 (i)Biotic comments

* Anything related to living beings is biotic 

*they perform function of birth growth and death.

*they adapt them selves as per the abiotic environment.

Abiotic environment

*Anything related to non living things are abiotic.

* they suply energy to living things.

 

 * they make the environment of living things .

    

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(a) Lithosphere: lithos is greek word which means rocks . rocks are the main material of the earth crust they made of mineral ,which found earth surface .

(b)Hydrosphere : it is main domain of water ,which comprises nearly three fourth of the Earth's surface .this includes ocean,river ,lake and other water bodies .

(c) Atmosphere:  it is the blanket of air , sarround our planet .it is held to the surface of the earth bye gravitational force .The atmosphere contains approximately

78.03% of nitrogen , 20.99% of oxygen,0.98% of carbon dioxide and other gass 

(d) Biosphere : biosphere narrow the zone that comperise of between  land ,water,and air that support all living (biotic) being . plant ☘️, animal , humans, and micro organisms are part of this biosphere.

       HUMAN ENVIRONMENT 

the relationship Between natural environment including its physical components and people in a given area gives rice to human environment  . 

 human built structures with different natural materials .thus humans intract with natural environment and make them  .

      BIODIVERSITY

biodiversity os one of the most important aspect of our environment . it is varity of land form at all level of planets earth including

terrestrial,marine ,aerial and under the surface life form.

   🙂 THANKS FOR WATCHING 🥰

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