Use the Following Description to Answer the Question

question 13

Multiple Choice

Use the following description to answer the question.
In the oceans 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. The oceans were completely separated by the isthmus about 3 million years ago.
In the figure, the isthmus separates the Pacific Ocean on the left (side A) from the Atlantic Ocean on the right (side B) . The seawater on either side of the isthmus is separated into five depth habitats (1-5) , with 1 being the shallowest.

In which habitat should one find snapping shrimp most closely related to shrimp that live in habitat A4?

• A) A3
• B) A5
• C) B4
• D) either A3 or A5

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Definitions:

Equilibrium Price

Equilibrium price is the market price at which the quantity of goods supplied is equal to the quantity of goods demanded.

Government Implementation

The process by which government agencies put laws, regulations, or policies into practice.

Price Floor

A minimum legal price set above the equilibrium price, leading to surpluses as supply exceeds demand.

Price Ceiling

A legal maximum on the price at which a good can be sold, often set by government.