本题目来源于试卷: IB ESS Unit 2: Ecosystems & Ecology，类别为 IB环境系统与社会
[单选题]
State in what form energy jki( ;/ erbt3rej-fo66y 6j,wvllu 8 gis locyfne 8qrq3)/k.s(m31e0 tcsjv n1 c pst from ecosystems.
A. Lost as light
B. Lost as heat
C. Lost as carbon dioxide
D. Lost as chemical energy
参考答案: B
本题详细解析:
When organisms respirgu9n7o8*t mmwgq:r: 5jj5sh qe, they lose energy in the form of heat. This form of energy cannot be recovered and is finally g o wu:s5j q9qgt8rm5jnh*m7: lost from the system.
Initially, during photosynthesis, energy is captured from light (Option A). Carbon dioxide is not a form of energy (Option C), and chemical energy (Option D) is held in the bonds of organic molecules made during photosynthesis.
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