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 energyp6c;r*i, cer;:zky ha yegp 42 4sr,wb is lost from et-u 1zi na83hgcosystems.
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 respire, they lose energy in the form of heat. This form of e9c mdxdua4/ 8hnergy cannot be recovered and is 9 dhu4xa /8cmdfinally 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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