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12.Ecosystem
medium
Food chain is a series of population, which starts with producers. It is concerning with
A
Biotic components only
B
Energy flow and transfer of nutrients
C
Both $(a)$ and $(b)$
D
Abiotic components and decomposers
Solution
Transfer of food energy from the producers through a series of organisms with repeated eating and being eaten is known as food chain. Producers utilize the solar energy and transformed it to chemical form $(ATP)$ during photosynthesis.
Standard 12
Biology