This is a ppt on environment

1. Our souroundings

2. 
Environment is our basic life support
system. It provides the air we
breathe , the water we drink the
food we eat and the land where we
live. The car fumes pollute the air,
water is collected in pot, food is
served in vessels and land is used to
build factories
Biotic the world of organisms eg
environment

3. Abiotic vs biotic factors

4. 
Land,water,air,plants and
animals comprise the atural
environment you are familiar
with meaning of lithosphere,
hydrosphere, atmosphere and
biosphere from your previous
class. Let us learn some more
facts about these domains.
Natural environment

5. 
Lithosphere is the solid crust or the
hard top layer of the earth.It is
made up of rocks and minerals and
covered by a thin layer of soil it is an
irregular surface with various
landforms eg mountain,plateau and
plains etc
lithosphere

6. 
The domain of water is
reffered to as
hydrosphere. It comprises
various sources of water
and different types of
water bodies like river,
lakes, seas, oceans etc . It
hydrosphere

7. 
The atmosphere is the thin layer
that surround’s the earth. The
gravitational force of the earth
hold’s the atmosphere around it .
It protect’s us from harmful rays
of the sun . It consists of
number of gases water vapour
and dust . The changes in the
atmosphere

8. 
Plant and animal kingdom
together make biosphere
or the living world. It is a
narrow zone of the earth
where land water and air
interact with each other to
support life
biosphere

9. 

10. 
Human made environment

11. 
It is a system formed by the
attraction of all living
organisms with each other
and with the physical and
chemical environment in which
they live , all linked by
transfer of energy and
ecosystem

14. 
All plants and animals depend on
their immediate surroundings
often they are also
interdependent on each other.
This relation between the living
organisms, as well as the relation
between the organisms and their
surroundings form an ecosystem
Surroundings of ecosystem

15. 
It is a trade in
which goods are
exchanged with
out the use of
money
Barter system

16. 
 MADE BY:SHRESHTH SHARMA,
AYUSH MEHAN,
UDAY GUPTA – VII E