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If Grass Stores 1,000 Energy Units Received from the Sun

Question 12

Multiple Choice

If grass stores 1,000 energy units received from the sun, the ecological efficiency of the ecosystem is 10%, and the trophic levels are grass  cow  human, how many units of energy does the human receive of the original 1,000 units?


A) 900
B) 200
C) 100
D) 10
E) 1

Correct Answer:

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