Which of the following food chain may not be directly depend upon solar energy?
A
Grazing
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B
Detritus
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C
Soaking
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D
Depleting
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Solution
The correct option is A Detritus The food chain is the sequence of organisms through which food and energy pass in an ecosystem with members of each trophic level. One of the examples of food chains is the detritus food chain. Food energy passes into decomposers and detrivores from detritus or dead organic matter. They are consumed by smaller carnivores then become food for large carnivores. The detrivore food chain begins with dead and waste material, which contains reduced organic compounds. Energy from the sun is not required. In a grazing food chain, solar energy is trapped by green plants to produce food (e.g., carbohydrates) for all the other organisms.