The Next Few Questions Refer to the Following Description

question 30

Multiple Choice

The next few questions refer to the following description.
In the ocean, on either side of the Isthmus of Panama, are 30 species of snapping shrimp; some are shallow-water species, others are adapted to deep water. There are 15 species on the Pacific side and 15 different species on the Atlantic side. The Isthmus of Panama started rising about 10 million years ago.
In the following figure, the isthmus separates the Pacific Ocean on the left (side A) from the Atlantic Ocean on the right (side B) . The sea water on either side of the isthmus is separated into five depth habitats (1-5) , with 1 being the shallowest.

-Which of these habitats is likely to harbour the youngest species?

• A)A5
• B)B4
• C)A3
• D)B2
• E)A1

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Definitions:

No-International-Trade Price

The price level of goods within a country in the absence of international trade, often influenced solely by domestic supply and demand.

Export Supply Curve

A graphical representation showing the relationship between the price of a good on the international market and the quantity that domestic producers are willing to export.

Import Demand Curve

A graph showing the relationship between the price of an imported good and the quantity of the good that consumers in the importing country are willing to buy.

Equilibrium World Price

The price at which the supply of a good on a global scale exactly matches the world demand for that good.