Food series is chain of population, which starts with producers. It is concerned with
A
Biotic Components only
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B
Energy flow and transfer of nutrients
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C
Both A and B
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D
Biotic and decomposers
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Solution
The correct option is C Both A and B The food chain is the sequence of population or organisms through which food and its contained energy pass in an ecosystem with members at one step becoming the food of later step of the sequence. The food relations between the organisms expressed as food chains are concerned with biotic components only. When one organism consumes another in a food chain, there is the transfer of nutrients and energy from one to the other trophic level.