Which of the Following Is a Correct Statement About MacArthur

question 32

Multiple Choice

Which of the following is a correct statement about MacArthur and Wilson's island equilibrium model?

• A) As the number of species on an island increases, the emigration rate decreases.
• B) Competitive exclusion is less likely on an island that has large numbers of species.
• C) Small islands receive few new immigrant species.
• D) Islands closer to the mainland have higher extinction rates.

---

Definitions:

Average Variable Costs

Costs that vary with the level of output, calculated by dividing the total variable costs by the quantity of output produced.

Shutting-Down

A short-run decision by a firm to halt production because operating would lead to a loss greater than the fixed costs.

Hostages

Individuals held captive by others as security for the fulfillment of specific conditions or demands.

Trading Partner

An entity or country that engages in commerce or trade with another, often under agreed terms or through treaties.