The structure and functional unit of the environment is known as
A
Ecosystem
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B
Biosphere
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C
Food chain
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D
Food web
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Solution
The correct option is A Ecosystem
A. Ecosystem: This is the place where living organisms interact among themselves and also with the surrounding physical environment. And is called as structural and functional unit of ecosystem.
B. Biosphere: The biosphere is the zone o air, land and water where organisms exist.It is commonly known as the global sum of all ecosystems and consists o several layers including the atmosphere, the lithosphere and the hydrosphere.
C. Food chain: The sequence o living organism in a community in which one organism consume other organism is called food chain.
D. Food Wed: The inter connected food chains operating in an ecosystem which establish the network between various species is called food web.