Which of the Following Is Evidence Against the Null Model

question 28

Multiple Choice

Which of the following is evidence against the null model?

• A)Bristlecone pine trees can survive harsh winters.
• B)Climate change alters abundance of robins.
• C)Invasive species cause California newts to go locally extinct.
• D)Hurricanes can wipe out fauna on an island.

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Definitions:

Average Fixed Costs

The total fixed costs associated with production (costs that do not change with output) divided by the quantity of output produced.

Output Increases

A rise in the quantity of goods or services produced by a company or economy.

Law of Diminishing Returns

The principle that as the level of investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other inputs remain constant.

Marginal Cost

The cost of producing one additional unit of a good or service.