The Faster a Cheetah Can Run, the More Likely It

question 5

Multiple Choice

The faster a cheetah can run, the more likely it is to capture its prey. Cheetahs with longer legs are able to run faster than those with shorter legs. Although the existing cheetah population shows a variety of leg lengths, cheetah legs are not continuing to increase in length from one generation to the next. Which of the following is a possible explanation?

• A)The genes that are involved in cheetah leg length do not undergo mutation.
• B)Cheetahs with long legs are reproductively isolated from cheetahs with short legs.
• C)Natural selection does not act on traits involved in predation.
• D)Longer cheetah leg bones are more likely to break.

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Definitions:

Test Statistic

A calculated value from sample data used to decide whether to reject the null hypothesis in statistical hypothesis testing.

P-Value

A p-value is a statistical measure that helps researchers determine the significance of their experimental results by indicating the probability of obtaining the observed data, or something more extreme, if the null hypothesis is true.

Qualitative Variables

Variables that express categorical data and can be classified into groups or categories based on attributes or qualities, rather than numbers.

Chi-Square Test

A statistical method designed to test the significance of the connection between two categorically distinct variables.