As you work your way from the outside of a young stem to the inside, you will en

Question

As you work your way from the outside of a young stem to the inside, you will encounter the following tissues in which order?
a) epidermis, pith, xylem, phloem, cortex b) epidermis, pith, xylem, cortex, phloem
c) cortex, xylem, pith, epidermis d) epidermis, cortex, phloem, xylem, pith

If the soil water potential (?W) is -0.20 MPa and the water potential (?W) inside a root hair is +0.10 MPa, water will flow:
a) into the root cell from the soil b) into the soil from the root cell
c) toward the highest solute concentration d) impossible to tell from this information

Explanation / Answer

d) epidermis, cortex, phloem, xylem, pith b) into the soil from the root cell ( because water flows from high water potential to low water potential)

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