Refer to the Figure

question 60

Multiple Choice

Refer to the figure.

-Plant ecophysiologists often measure the water potential of a plant at midnight to understand plant-soil-water relationships. If an investigator found that _stem was -2.0 MPa as shown in the figure, which statement would also be true?

• A) _soil must be > -2.0.
• B) _soil must be = -2.0.
• C) _leaf must be > -2.0.
• D) _air must be = -2.0.

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Definitions:

Addictive

Having the quality of causing users to develop a dependency, often compelling them to repeatedly seek out and use the substance or activity.

Selective Serotonin Reuptake Inhibitors

A class of drugs often prescribed as antidepressants, which work by increasing the amount of serotonin in the brain.

Norepinephrine

A neurotransmitter and hormone that plays a key role in alertness and the fight-or-flight response, also involved in mood regulation.

Serotonin

A neurotransmitter found in the brain that affects mood, appetite, sleep, memory, and learning, often associated with feelings of well-being and happiness.