Biologyhard · Past Paper
In a food web, if the primary productivity is 1000 units, how much energy reaches the secondary consumers?
A100 units
B10 units
C1 unit
D500 units
✓ Correct Answer: B — 10 units
Based on the 10% law: 1000 (Producer) -> 100 (Primary Consumer) -> 10 (Secondary Consumer).
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