In an Experiment,a Researcher Manipulates One Variable to See How

question 23

Multiple Choice

In an experiment,a researcher manipulates one variable to see how it affects a second variable.The manipulated variable is called the __________.

• A)dependent variable
• B)control variable
• C)independent variable
• D)hypothetical variable

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Definitions:

Vernix Caseosa

A white creamy biofilm covering the skin of the fetus during the last trimester of pregnancy, protecting the newborn's skin.

Lanugo

Fine, soft, unpigmented fetal hair.

Colostrum

Thin, white fluid; the first milk secreted by the breast at the termination of pregnancy; contains less fat and lactose than the milk secreted later.

Fetal Hair

Also known as lanugo, it is the fine, soft hair that covers the body of a fetus as a form of insulation.