What Is One Explanation for Why People Are Getting Taller

question 1

Multiple Choice

What is one explanation for why people are getting taller in many regions of the world?

• A) People in those regions have better nutrition and lower rates of infectious disease than they did in the past.
• B) People in those regions have better medical care than people in other parts of the world.
• C) People across the world are getting taller due to gene flow from taller populations.
• D) People are getting taller because tall people are more likely to have children, and the genes are becoming more frequent.

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Definitions:

Skewed

A description of data or a distribution that is not symmetrical, indicating that it leans towards one side, either to the right (positively skewed) or to the left (negatively skewed).

Motor Skill

The ability to perform movements and tasks using the muscles in the body.

Symmetric

A property of a shape or function that indicates balance and evenness, such that the shape or function mirrors itself across a central point or axis.

Median

The middle value in a data set, which separates the higher half from the lower half of the data.