BI-1978
Energy flow in ecosystems
Biology · Secondary 4 · Medium · Energy flow in ecosystems
A food chain in a grassland is:
grass → grasshopper → frog → snake
Only about 10% of the energy is transferred from one trophic level to the next. If the grass stores 20 000 kJ of energy, how much energy is available to the frogs?
grass → grasshopper → frog → snake
Only about 10% of the energy is transferred from one trophic level to the next. If the grass stores 20 000 kJ of energy, how much energy is available to the frogs?
- 200 kJ
- 2 000 kJ
- 20 kJ
- 200 000 kJ
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