[单选题]
The figure below shownf,t;rw *fwq 3s the flow of energyl(c,1rm9azex per unit area per year in arbitrary units. Gross production is the total kJ obtained through photosynthes19zmacrx l ,(eis, and net production is the kJ remaining after respiration.
What percentage of net production (kJ after respiration) is lost to decomposers by primary consumers?
A. 100%
B. 75%
C. 50%
D. 25%
参考答案: B
本题详细解析:
Explanation:
The primary consumers lose 1200 kJ out of 1600 kJ to decomposers, which translates to 75%.
