To Explain How Varieties Were on the Path to Becoming

question 6

Multiple Choice

To explain how varieties were on the path to becoming new species, Charles Darwin introduced the concept of

• A) descent with modification.
• B) transformational change.
• C) variational change
• D) spontaneous change.

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Definitions:

Correlation Coefficient

A numerical measure that indicates the extent to which two variables fluctuate together. A value closer to 1 or -1 indicates a strong relationship.

Best Fitting Line

A line drawn through a scatterplot of data points that best expresses the relationship between those points.

Covariance

A measure that indicates the degree to which two variables change together. If the variables tend to show similar behavior, the covariance is positive; if they show opposite behavior, the covariance is negative.

Standard Deviation

A system for measuring the degree of difference or spread in a set of figures.