In a food chain 10 000 kJ of energy is in the producers. Assuming 10 percent transfer between levels, how much reaches secondary consumers?
Answer and explanation
Correct answer: B. 100 kJ
- Step 1: Producers to primary consumers: 1000 kJ. Step 2. Primary to secondary: 100 kJ. Answer: 100 kJ. Why not the others: Two transfers are needed.
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