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]
Which of the following correctly dp 0f -ab 825 3h;xf5lnoss fukjp4d;koescribeu9en+ ue:8)o v -l w7qtiexex5umr )1u2r1eqds how energy is lost 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:
Explanation: When organisms respire, they lose energy in the form of heat. This form of energy cannot be recovered and is finally lost from the system. Initially, during photosynthesis, energy is captured from light (Choice A). Carbon dioxide is not a form of energy (Choice C), and chemical energy (Choice D) is held in the bonds of organic molecules made during photosynthesis.
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