What Drives the Flow of Water Through the Xylem

question 76

Multiple Choice

What drives the flow of water through the xylem?

• A) passive transport by the endodermis
• B) the number of companion cells in the phloem
• C) the evaporation of water from the leaves
• D) active transport by sieve-tube elements
• E) active transport by tracheid and vessel elements

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Definitions:

Digits

The numbers from 0 to 9 used in counting and calculations, and also refer to the fingers and toes in humans.

Movement

The action or process of moving or being moved, pertinent to physical processes and mechanics within biological systems.

Glabrous Skin

Areas of the skin that are naturally hairless, such as the palms of the hands and the soles of the feet.

Discriminate

The ability to perceive and understand the difference between multiple stimuli or conditions, or the unjust or prejudicial treatment of different categories of people or things.