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Write short notes on Ecosystem ....

Write short notes on Ecosystem .

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An ecosystem is a basic functional unit that includes thewhole community in a given area (biotic component) interacting with the abiotic factors.
Ecosystem is normally an open system because there is a continuous gain and loss of energy and materials from this system.
The term .ecosystem. was first used by AG Tansley in 1935 to describe the whole complex of organisms living together as sociological units and their habitats.
The ecosystem is also called as biocoenosis (Mobius, 1877), microcosm (Forbes, 1887) and biogeocoenosis (Sukachey). It is also known as ecocosm or biosystem.
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