本题目来源于试卷: Form and Function B.6 Gas Exchange，类别为 IB生物学
[单选题]
What is the main factor that causes the pressure insvz bqu60 b7oo0ide xylem vessels to b 8vjv brqy:1bob1q562snyj di /(od/ue lower t: /bny8(1suqiry obo12b6jv5 qdj v/d han atmospheric pressure?
A. Cohesive properties of water inside xylem vessels
B. Evaporation of water during transpiration
C. Water molecules sticking to the walls of xylem vessels
D. Exchange of oxygen and carbon dioxide through the stomata
参考答案: B
本题详细解析:
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