Ecologists Are Concerned About Amphibian Populations Because

question 25

Multiple Choice

Ecologists are concerned about amphibian populations because

• A)their loss would be an aesthetic loss to the planet.
• B)of the possibility of numerous medicinal uses.
• C)they are keystone species in many areas-their loss will cause other populations to crash.
• D)amphibians are very sensitive to environmental change-they may be indicating serious problems.
• E)they are increasing to the point of competing with indigenous species.

Explain the role of plate tectonics in the formation of geological features.

Recognize the concept of subduction zones and their impact on crustal features.

Describe the formation and characteristics of accretionary prisms.

Discuss the effects of magma generation and its movement towards Earth's surface.

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Definitions:

Nominal GDP

The market value of all final goods and services produced within a country in a given period, measured in current prices without adjusting for inflation.

Real GDP

Gross Domestic Product adjusted for inflation, providing a more accurate measure of an economy's size and how it's grown over time.

Market Basket

A representative collection of goods and services used to track price changes for consumer expenditure and calculate inflation rates.

Base Year

A reference year against which economic or financial data is compared and indexed.