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Interaction & Interdependence C.9 Transfers of Energy & Matter (id: 789039144)

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admin 发表于 2024-2-5 13:38:56 | 显示全部楼层 |阅读模式
本题目来源于试卷: Interaction & Interdependence C.9 Transfers of Energy & Matter,类别为 IB生物学

[单选题]
The figure below shows the flow of energy per unit .;n 7,s3w2c bgdkjp2kur6 xj barea pjwkdtw6 n)l6cyo6 s;hn 2.r(k39q atv er year in arbitrary units. Gross produ3vdotkw ;n a l .)st(6cyk29jhr 6q6wnction is the total kJ obtained 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%.

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