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A lion has 250 kg of biomass. It feeds on a deer which fed on grass. How much would be the biomass of grass assuming 10% rule for energy flow?

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250000 kg

2500 kg

25kg

25000kg

answer is B.

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Detailed Solution

Assuming 10% rule;

Lion - 250 kg

Deer - 2,500 kg

Grass - 25,000kg

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