Question

When the rate of transpiration exceeds the rate of water absorption, the leaves wilt

and droop while the stem remains upright.
Explain why the stem remains upright when the leaves wilt.

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Answer 1

When the soil of a plant runs too low on available water, the water chains in the xylem become thinner and thinner due to less water. When this happens, the plant loses its turgidity and begins to wilt. Low soil moisture is often the reason this happens but other factors play a role as well.

Step-by-step explanation:

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