Which of the Following Is the Most Accepted Hypothesis as to Why

question 21

Multiple Choice

Which of the following is the most accepted hypothesis as to why invasive species take over communities into which they have been introduced?

• A) Invasive species are more aggressive than native species in competing for the limited resources of the environment.
• B) Invasive species are not held in check by the predators and agents of disease that have always been in place for the native species.
• C) Humans carefully select which species will outcompete nuisance native species.
• D) Invasive species have a higher reproductive potential than native species.
• E) Invasive species come from geographically isolated regions, so when they are introduced to regions where there is more competition, they thrive.

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Definitions:

Regression Line

A line of best fit through a dataset, used in regression analysis to model the relationship between a dependent variable and one or more independent variables.

Y-Intercept

The location on a graph where a line intersects with the y-axis.

Sample Y-Intercept

The point at which a sample regression line crosses the Y-axis, indicating the value of the dependent variable when all independent variables are zero.

Sample Slope Coefficient

The sample slope coefficient is a measure in regression analysis that represents the rate of change in the dependent variable for every unit change in an independent variable.