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प्रश्न
In the following food chain, 5 J of energy is available to man. Calculate, how much energy was available at the producer level. Why?
Plant → Goat → Man
संख्यात्मक
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उत्तर
Energy available at the producer level = 500 J
According to the 10% law, only 10% of energy is transferred to the next trophic level.
Man gets = 5 J
So, Goat must have got = 50 J
And Plants (producers) must have had = 500 J
According to the 10% law of energy transfer, only 10% of energy passes from one trophic level to the next, while the rest is lost as heat during metabolic activities.
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