A) Frogs and men
B) Weeds and trees
C) Biotic and abiotic
D) Plants and animals
Correct Answer: C
Solution :
The term Ecosystem was coined by A.G. Tansley (1935). It is a mutual inter relationship between living and non-living components of the environment. Living components of an ecosystem are called biotic components. These include all plants animals and microorganisms. And non living components include soil, climate etc.
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