BI-1871
Energy losses in food chains
Biology · Secondary 4 · Medium · Energy losses in food chains
In a marine food chain, phytoplankton contain 5000 kJ of energy. Small fish obtain 500 kJ from eating the phytoplankton. What is the percentage efficiency of energy transfer from phytoplankton to small fish?
- 10%
- 5%
- 50%
- 90%
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