In a Well-Designed Experiment,there Is Only One Systematic Difference Between

question 12

Multiple Choice

In a well-designed experiment,there is only one systematic difference between the conditions.This difference is manipulated by the experimenter and is called the

• A) between-subject variable.
• B) within-subject variable.
• C) dependent variable.
• D) independent variable.
• E) confounded variable.

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Definitions:

Hormone

Chemical messengers produced by glands in the body, transported in the bloodstream to target organs or tissues, influencing various physiological processes.

Endosperm

The endosperm is a tissue produced inside the seeds of most flowering plants following fertilization, providing nutrition to the developing embryo.

Seed Coat

The seed coat is the protective outer layer of a seed that encases and helps safeguard the embryonic plant inside.

Nutritious Seeds

Seeds that are rich in vital nutrients such as proteins, vitamins, and minerals, beneficial for health.