David Tilman's Study on Grassland Communities Showed That Productivity and Biomass

question 10

Multiple Choice

David Tilman's study on grassland communities showed that productivity and biomass ________ with increased species richness.

• A)increased
• B)decreased
• C)remained stable
• D)followed no trend

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Definitions:

Linear Regression Equation

An equation used in statistics to model the relationship between a dependent variable and one or more independent variables.

Slope

The rate at which the dependent variable changes with respect to an independent variable in a function or a graph.

Intercept

The point where a line or curve crosses an axis on a graph, often referring specifically to where it crosses the Y-axis.

Y-Intercept

The point where a line or curve intersects the Y-axis of a graph.