Refer to the Graph

question 85

Multiple Choice

Refer to the graph. According to the graph, which statement best describes the relationship between total plant cover (a measure of productivity) and number of species (species richness) in test plots?

• A) Greater species richness is associated with lower productivity.
• B) Greater species richness is associated with greater productivity.
• C) Productivity and species richness do not appear to show a relationship.
• D) Productivity remains relatively high regardless of total plant cover.
• E) Productivity increases when species richness is low but decreases when it is high.

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Definitions:

Minimum Price

A price floor set by governing bodies, above which a good or service cannot be sold, often implemented to ensure fair compensation for producers.

Producer Surplus

The difference between the amount producers are willing to sell a product for and the actual higher amount they receive.

Positively Sloped

Describes a line or curve on a graph that moves upward as it goes from left to right, indicating a positive relationship between two variables.

Negatively Sloped

Refers to a downward inclination of a line or curve on a graph, indicating an inverse relationship between two variables.