本题目来源于试卷: Transfers of Energy &Matter，类别为 IB生物学
[单选题]
Which of the followi9gls( r1p4b jgn9 wff7(nm63ozypk +bng correctly describes howdqqp i/ l+vk20ta09 d6uv zy8f 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:
When organisms respire,qx4y yj *l8tt+ they lose energy in the form of heat. This form of energy cannot be recovered and is finally lost from the system.
Initially, durtyy48l*q t+j xing 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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