Climate Researchers Have Found That Biomes Are Shifting Toward the Poles.This

question 31

Multiple Choice

Climate researchers have found that biomes are shifting toward the poles.This is particularly evident in temperate grasslands and boreal forests.It is expected that by 2100, nearly 40 percent of land-based ecosystems will have changed to different community types.This suggests that, in the near future, some

• A) tundra may change to boreal forest.
• B) boreal forest may change to tundra.
• C) grassland may change to tropical forest.
• D) grassland may change to temperate forest.
• E) boreal forest may change to grassland.

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Definitions:

Opportunity Costs

The forfeiture of possible benefits from other options when selecting a specific choice.

Financial Investment

The purchase of a financial asset (such as a stock, bond, or mutual fund) or real asset (such as a house, land, or factories) or the building of such assets in the expectation of financial gain.

Certificate of Deposit

A savings certificate with a fixed maturity date and specified fixed interest rate, often issued by banks.

Opportunity Costs

The value of the best alternative that must be foregone as a result of choosing a particular option.