BI-1960
Energy losses in food chains
Biology · Secondary 4 · Easy · Energy losses in food chains
A scientist measures the total biomass in a lake food chain as follows: algae 120 kg, small fish 12 kg, large fish 1.2 kg. What is the efficiency of energy transfer from algae to small fish, assuming biomass is proportional to energy?
- 10%
- 1%
- 12%
- 90%
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