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Biosphere is...

Biosphere is

A

a component in the ecosystem

B

composed of the plants present in the soil

C

life in the outer space

D

composed of all living organisms present on earth which interact with the physical environment

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Verified by Experts

The correct Answer is:
D
Biosphere is composed of all living organisms present on earth which interact with their physical environment. In other words a biosphere or ecosphere term is collectively used for all the ecosystems of world.
Ecosphere or biosphere can not be defind by other three options, as they represent only a part of ecosystem.
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