[单选题]
The figure below shows theu6nv30 tsyu;h flow of m5we*wha(2 ec zhz7t(n:vyo 9energy per unit area per year in arbitrary units. Gross production is the total kJ obtayzo(m 9:7hh wz(2newacevt*5ined through photosynthesis, 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%.
