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10 questions from this quiz
Sunlight
Light, water, CO2_{2}2, mineral ions
Secondary consumer
Break down dead organisms
Trophic level 4
Direction of energy flow
They show interconnected feeding links
g m−2\text{g m}^{-2}g m−2
Water content varies between organisms
kJ kg−1\text{kJ kg}^{-1}kJ kg−1
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