Halophytes Are Plants That Live in Saline Soils

question 11

Multiple Choice

Halophytes are plants that live in saline soils.The high osmotic potential of the salt solution in the soil creates a very negative water potential.What can halophytes do so that water will flow into the roots?

• A)They can close their stomates so that less water uptake is needed.
• B)They can open their stomates so that transpiration can "pull" more strongly to get the water into the roots.
• C)They can increase the solute concentrations in their roots more than the solute concentration of the soil.
• D)They can pump ions out of their roots.
• E)They form symbiotic relationships with mycorrhizal fungi.

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