BI-1934
Energy flow in ecosystems
Biology · Secondary 4 · Hard · Energy flow in ecosystems
A food chain in a mangrove swamp is:
phytoplankton → small fish → large fish → eagle
If the phytoplankton receive 10 000 kJ of energy from sunlight, and only 10% of energy is passed on at each trophic level, how much energy is available to the eagle?
phytoplankton → small fish → large fish → eagle
If the phytoplankton receive 10 000 kJ of energy from sunlight, and only 10% of energy is passed on at each trophic level, how much energy is available to the eagle?
- 10 kJ
- 100 kJ
- 1000 kJ
- 1 kJ
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