A secondary carnivore gets 5 J. By the 10 per cent law, what energy did producers hold?
A50 J
B500 J
C5000 J
D50,000 J
Answer & Solution
Correct answer: C. 5000 J
Working back three transfers from 5 J multiplies by 10 three times: 50, 500 and then 5000 J at the producers.
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