In Accordance with Wilson and MacArthur's Theory of Island Biogeography

question 41

Multiple Choice

In accordance with Wilson and MacArthur's theory of island biogeography, the following equations represent the extinction and immigration rates of species of spiders on a small island. (I = immigration rate of species per year; E = extinction rate of species per year; S = number of species currently on the island.)
I = 3 ? 0.1S
E = 0.2S
-
If there are five species on the island, the expected immigration rate is _______ species per year and the expected extinction rate is _______ species per year.

• A) 1; 1
• B) 1; 3.5
• C) 2.5; 1
• D) 5; 1.5

---

Definitions:

Fractional Reserve Banking

A banking system where banks hold a fraction of deposits as reserves and use the rest to make loans and create new money, underpinning most modern banking systems.

Federal Reserve Bank

The central banking system of the United States, responsible for regulating the nation's financial institutions and managing the country's monetary policy.

Unit Of Account

A commonly used numerical value that measures the market price of goods, services, and various transactions.

Commodity Money

Money that has intrinsic value because it is made of a commodity with its own value, such as gold or silver.