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

---

Definitions:

Common

Occurring frequently or widely accepted and used; usual or shared by most.

Socio-cultural-economic-political Influences

Factors stemming from societal, cultural, economic, and political realms that affect individuals and communities.

Biological Or Genetic

Pertains to the aspects of an organism that are determined by genes and heredity.

Learned Behavior

Behavior that has been acquired through experience or taught, contrasting with behaviors that are instinctual or innate.