In an Experiment, the Variable That Is Expected to Change

question 54

Multiple Choice

In an experiment, the variable that is expected to change as a result of some manipulation is termed the

• A) dependent variable.
• B) independent variable.
• C) control variable.
• D) experimental variable.

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Definitions:

Polyspermy

The fertilization of an egg by more than one sperm, which can lead to developmental abnormalities.

Germ Layers

Germ layers are the three primary layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo that give rise to all the tissues and organs of the body during development.

Amniotic Cavity

The fluid-filled space within the amniotic sac, surrounding and protecting the developing fetus during pregnancy.

Fetus

A developing human from approximately the end of the eighth week after conception until birth.