In an ecosystem, energy is dissipated as _______ energy during biological processes, which cannot be recycled.
A
light
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B
chemical
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C
heat
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D
mechanical
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Solution
The correct option is C heat Sunlight is the ultimate source of energy in all ecosystems on Earth. Solar energy is converted to chemical energy by plants which then passes along the food chain. Only 10% of the total energy is transferred from one trophic level to another and rest is dissipated as heat when energy is utilised to perform various metabolic activities.