Which Evolved First

question 64

Multiple Choice

Which evolved first?

• A) plants
• B) fungi
• C) protists
• D) bacteria

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Definitions:

Correlation Coefficient

A numerical measure that indicates the strength and direction of a linear relationship between two quantitative variables.

Least Squares Line

A straight line that minimizes the sum of the squares of the differences between the observed and predicted values.

Coefficient Of Determination

A statistical measure, often symbolized as R^2, that represents the proportion of the variance in the dependent variable predictable from the independent variable(s).

Correlation Coefficient

A measure that determines the degree to which two variables' movements are associated, ranging from -1 (perfect negative correlation) to +1 (perfect positive correlation).