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 the name of the pro rr)o99m835bfiwhlb e1u5 oybce- pwju;;r.lnqw)aj itwzbbr l 480+ o(ss that converts carbon dioxide in the air to carbohydratlp j+uwrz-;iq). wato8; l nr4bj 0(bwes.
A. Respiration
B. Photosynthesis
C. Decomposition
D. Transpiration
参考答案: B
本题详细解析:
Photosynthesis (Option B) is the process by which carbon dioxide in the air is x ju u;7.hl;g*,kuo06pzal sgconverted to carbon6l;su x*kh.g0lj;, 7uuza gop compounds in green plants. Respiration releases carbon dioxide (Option A), and decomposition by decomposers (Option C) also releases carbon dioxide. Transpiration is the process by which water is drawn up the stem of a plant to the leaves where it evaporates (Option D) and is not involved directly in the carbon cycle.
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