To Determine If Sugar-Rich Diets Affect Hyperactivity in Kids,a Researcher

question 16

Multiple Choice

To determine if sugar-rich diets affect hyperactivity in kids,a researcher prepared two daily menus that children would receive for a 30-day period.A high-sugar diet was given to the boys,while the girls had a menu that seemed identical but was not a high sugar diet.At the end of 30 days,the boys and girls were evaluated to determine their levels of hyperactivity.In the study,the high-sugar diet is the ________.

• A)placebo
• B)independent variable
• C)dependent variable
• D)control group

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Definitions:

Detrital Food Chain

Food chain in which energy is transferred directly from producers to detritivores.

Atmosphere

The layer of gases surrounding a planet or moon, held in place by gravity, essential for life on Earth.

Phosphorus

A chemical element that plays a vital role in biological processes such as energy transfer, genetic information processing, and bone formation.

Phosphorus

A reactive, nonmetallic chemical element with the symbol P, essential for life, playing a key role in cellular energy transfer and nucleic acid synthesis.