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प्रश्न
The amount of energy at the fourth trophic level in the food chain given below is 4 J.
Grass → Zebra → Crocodile → Vulture
What wil be the amount of energy available at the sunlight and transducer level?
संख्यात्मक
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उत्तर
Lindeman’s 10% law: Only 10% energy is transferred to the next level. Transducers (plants) capture only about 1% of sunlight.
Work backwards from Vulture (T4):
- T4 (Vulture) = 4 J
- T3 (Crocodile) = 4 × 10 = 40 J
- T2 (Zebra) = 40 × 10 = 400 J
- T1 (Grass/Transducer) = 400 × 10 = 4, 000 J
The transducer (Grass) energy is 4,000 J.
Since plants capture only 1% of incident solar energy:
Sunlight = 4, 000 × 100 = 4, 00, 000 J
Energy at Transducer level = 4,000 J; Sunlight energy = 4,00,000 J.
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