The Next Few Questions Refer to the Following Description

question 17

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 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
• E) any species from any one of the side A habitats

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Definitions:

Return on Assets

A financial ratio that measures the profitability of a company in relation to its total assets.

Net Income

The total profit of a company after all expenses and taxes have been deducted from revenue.

Sales

The activities involved in selling products or services, ultimately generating revenue for a business.

Decentralization

Assignment of decision-making rights to lower operating levels of an organization. Decreases cost of transferring specific knowledge needed to make decisions, but increases the cost of controlling behavior.