A Scientist Finds Seeds of an Unknown Plant on Top

question 22

Multiple Choice

A scientist finds seeds of an unknown plant on top of the soil in a desert.She measures the concentration of two hormones in these seeds.After it rains,she collects more of these seeds,and finds that the concentration of the two hormones has changed.A graph of her results is shown above.Identify the most likely hormones measured by the scientist.

• A)hormone 1: gibberellin; hormone 2: cytokinin
• B)hormone 1: auxin; hormone 2: ethylene
• C)hormone 1: abscisic acid; hormone 2: gibberellin
• D)hormone 1: ethylene; hormone 2: auxin

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Definitions:

Significant Life Change

Major events or transitions in an individual's life that have a lasting impact on their daily living and can include changes in family, career, or health.

Stressor

The external or internal force that brings about the stress.

Psychological Interpretation

The process of analyzing behavior, symbols, or events to gain insight into the underlying psychological processes and motives.

Internal Reaction

The psychological and emotional response of an individual to external stimuli or events.