Who of the following are the ultimate sources of energy for carnivorous organisms in the food chain of a forest ecosystem?
A
Sun
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B
Photosynthetic species
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C
Herbivorous species
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D
Decomposer species
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Solution
The correct option is A Sun For all organisms, the sun, or solar radiation, is the ultimate source of energy. Plants are primary producers of energy from the sun. Plants use sun, chlorophyll, water, carbon dioxide and nutrients to manufacture glucose, an alternate form of energy.