本题目来源于试卷: Form and Function B.7 Transport，类别为 IB生物学
[单选题]
What effect does the evaporation ofm902lczgfs uwly +8eq-iht +; water in luyht1mldh/ ) 4zmiw01eaves have on other parts of a plan1 1ti hydl 0umm/)zh4wt?
A. It causes the active uptake of mineral ions.
B. It causes water and mineral ions to move upwards in xylem vessels.
C. It helps to conserve water in dry environmental conditions.
D. It facilitates the formation of hydrogen bonds between water molecules.
参考答案: B
本题详细解析:
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