Biologyhard · Past Paper

Calculate the energy at the 4th trophic level if the sun provides 1,000,000 J of energy and producers capture only 1% of it.

A1000 J
B100 J
C10 J
D1 J

✓ Correct Answer: C10 J

Producers (1% of 1M) = 10,000J. 2nd level (10%) = 1,000J. 3rd level = 100J. 4th level = 10J.

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