Which of the Following Observations Were an Outcome of Studies

question 43

Multiple Choice

Which of the following observations were an outcome of studies by David Tilman and coworkers at Cedar Creek,Minnesota on ecosystem stability? Check all that apply.

• A)Plots with more species showed less year-to-year variation in biomass.
• B)Species-rich plots were less affected by drought than species-poor plots.
• C)Over-yielding was observed in more recent work at Cedar Creek.
• D)Nitrogen uptake and total biomass produced were negatively correlated to species richness.
• E)More diverse plots were less susceptible to invasion by new species.

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Definitions:

Constant Slope

Refers to a straight line on a graph that illustrates a steady and unchanging rate of change between two variables.

Price Elasticity

Price elasticity measures how much the quantity demanded of a good responds to a change in its price, indicating how changes in price influence consumer purchasing behavior.

Demand Curve

A graph showing the relationship between the price of a good or service and the quantity demanded by consumers.

Inelastic Demand

A situation where the demand for a good or service is relatively unresponsive to changes in price.