BY:

Mrs.Indu Sharma

Ms.Amrit

* Locate their position in Biosphere

* Differentiate between Biotic and Abiotic components of Biosphere

* Trace out interactions between Organisms and Physical environment

VARIOUS REALMS OF THE EARTH

HYDROSPHERE

ATMOSPHERE

LITHOSPHERE

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HYDROSPHERE

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ATMOSPHERE

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LITHOSPHERE

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Atmosphere

HydrosphereLithosphere

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CELLS

TISSUES

ORGANS

ORGAN SYSTEM

ORGANISM

POPULATION

COMMUNITY

ECOSYSTEM

BIOME

BIOSPHEREHEIRARCHY OF

Organisation

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A Cell is the basic structural and functional unit of Life

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A Group of cells having similar structure and performing similar functions is called a Tissue

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Group of Tissues performing similar functions is called an Organ.

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Several organs of the body combine to form organ systems.

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Different organ systems combine to form a Organism

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Group of Organisms of the same species is called a Population

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All Ecosystems considered together in a geographical region form a Biome

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Biotic community along with its physical environment form an Ecosystem

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Aggregation of populations in an Area form a COMMUNITY

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All living organisms inhabiting Air,Soil and Water constitute Biosphere

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BIOSPHERE

ABIOTIC BIOTIC

Air

Water

Soil

Temperature

Light

Plants

Animals

Humans

Decomposers

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THERMOMETER

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Certain Bacteria and Fungi decompose dead bodies and recycle the elements back into soil,water,air.They are called Decomposers

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SUNLIGHT

WATER

GREEN PLANTS MAKE FOOD FOR ORGANISMS

CARBON DI OXIDE

NUTRIENTS FROM SOIL NEXT

ANIMALS CAN BE

HERBIVORES

CARNIVORES

OMNIVORES

SCAVENGERS

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WE ALL EAT

MEAT

FRUITS &VEGETABLES

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are animals which feed on dead animals.

Scavengers

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Plant Eating Animals Are Called HERBIVORES

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Meat Eating Animals Are Called

CARNIVORES

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PLANTS RABBITLION

SUN

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GRAINS CHICKMAN

FOOD CHAIN

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A SIMPLE FOOD CHAIN

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PLANTS

DEER

RAT

CAT

RABBIT

DOG

LION

FOOD WEB

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FOOD WEB

Plants

Insects

Frog

Mice

Snake

Bird

Eagle

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PRODUCERS

HERBIVORES

CARNIVORES

Top Carnivores

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The ultimate source of Energy in the Biosphere

SUN

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SUN

COMMUNITY HEAT

DECOMPOSERS

PRODUCERS HERBIVORES CARNIVORES TOP

CARNIVORES

FLOW OF ENERGY IN BIOSPHERE

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A.Provide the missing links in following Food chains

1. PLANTS TIGER

2. GRAINS SPARROW

3. PLANTS RABBIT

4. GRASS EAGLE

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B. Fill in the blanks

1. Soil : Abiotic :: _________ : Biotic

2. ______ : Producers :: Cat : Consumers

3. __________ is the ultimate source of energy in Biosphere.

4. __________ act as cleaning agents of environment.

5. __________ is the lowest level of organisation in the living world.

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ANSWERS

A. 1.DEER

2. DOG

3. LION

4. RABBIT

B.1. PLANTS

2..PLANTS

3. SUN

4. DECOMPOSERS

5. CELL

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ACKNOWLEDGEMENTS

1. MR V.K.SODHI (Senior Lecturer SCERT)

2. Encarta Encyclopedia 2000

3. Clip art MS Office 2000

4. NCERT Text Book VI – IX

5. Biology By Lakhmir Singh & Manjit Kaur 2000