You Perform an Experiment in Which You Take 16 Pots

question 54

Multiple Choice

You perform an experiment in which you take 16 pots of strawberry plants and give half of them 1 gram of ammonium nitrate per liter of water and the other half just get water. Each group is then split in half again, and exposed to either 8 or 16 hours of light each day. You monitor the height of the plants for four weeks. You observe that increasing ammonium nitrate and light both increase plant height.
-Which of the following is a (are) dependent variable(s) in this experiment?

• A) the height of the plants and amount of light
• B) the amount of ammonium nitrate and light
• C) the amount of light
• D) the height of the plants
• E) the amount of ammonium nitrate

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Definitions:

Internal Locus

A psychological concept where an individual believes they can control their life and outcomes.

Control

The power to influence or direct people's behavior or the course of events.

Immune System

The body's defense mechanism against infections, diseases, and foreign substances, comprising various organs, cells, and proteins.

White Blood Cells

Components of the immune system that defend the body against infectious disease and foreign materials.