In the Equilibrium Model of Island Biogeography, the Immigration Rate

question 19

Multiple Choice

In the equilibrium model of island biogeography, the immigration rate to an island is assumed to depend mainly on

• A) distance from sources of migrants.
• B) island size.
• C) extinction rate.
• D) extent of introductions by human colonists.
• E) existence or lack of a climax community.

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Definitions:

Hedge Ratio

The ratio that compares the value of the position protected via a hedge to the size of the entire position itself.

Dollar Change

The difference in an asset's price when compared to a previous price, often used to quantify gains or losses in securities.

Hedge Ratio

The ratio of the size of a position in a hedging instrument to the size of the position being hedged, used to minimize risk.

Dollar Exposure

The extent to which a company or investor is affected by changes in the value of the U.S. dollar against foreign currencies.