Final answer:
Experimental units are the subjects of experiments in scientific research, divided into experimental and control groups to study variables like yield or color.
Explanation:
Experimental units refer to animals, plants, or inanimate objects on which experiments are conducted in scientific research.
In an experiment, some subjects receive the manipulated variable, known as the experimental group, while others have the original form, called the control group.
Researchers collect data from these units to study variables like yield or color, which describe measurable attributes of the subjects.
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