In Testing Whether Riding a Bicycle at Least 30 Minutes

question 32

Multiple Choice

In testing whether riding a bicycle at least 30 minutes each day reduces weight, what would be the independent variable?

• A) the person's age
• B) amount of time bicycling each day
• C) the person's weight
• D) the person's diet

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Definitions:

Biodynamic

A farming and gardening method that relies on organic techniques, lunar cycles, and holistic approaches to cultivation.

Cephalocaudal

A pattern of growth and development in organisms where development begins at the head and progresses towards the tail or feet.

Proximodistal

A principle of physical growth that states development proceeds from the center of the body outward.

Independence of Systems

The concept that different systems, whether mechanical, biological, or computational, can operate autonomously without interference from each other.