Unity and Diversity A.1 Water (id: e7110f8db)

本题目来源于试卷: Unity and Diversity A.1 Water，类别为 IB生物学

[问答题]
The image shows a cross-section of the vascular tissue of an qs.*vsv+j/eve5irv -d):z o wop5 858r,g1o wu odapinody dicot stem, showing the annual rings of phloi,n 8d8g5u1ro wao5ppem and xylem.


Explain how the properties of water allow it to be transported in the xylem.
Describe a physical property of water, other than those that are important for the movement of water through the plant, that makes water essential for the survival of plants.
Outline why plants cannot use water to transport lipids.
If the temperature drops to -1$^{\circ}$ for a few hours suggest a reason why the water in xylem may not freeze.

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