The Graph Below Is a Record of the Population Size

question 71

Multiple Choice

The graph below is a record of the population size of reindeer on one of the Pribilof Islands off the coast of Alaska where they were introduced in 1911. If it is known that the availability of winter forage determines the carrying capacity for reindeer, what can be interpreted from this graph?

• A)The population crashed due to overgrazing by the reindeer.
• B)An environmental resistance factor like disease caused the population to decline somewhat.
• C)Some reindeer were lost to predation by wolves
• D)Some reindeer emigrated to another island.

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Definitions:

Supply Curve

A graphical representation of the relationship between the price of a good and the quantity of the good that suppliers are willing to sell.

Total Variable Costs

The sum of expenses that vary directly with the level of production or output, including costs for materials and labor.

Output

The amount of goods or services produced by a business, industry, or economy.

Supply Curve

A graphical representation showing the relationship between the price of a good and the amount of it that producers are willing to supply at each price level.