The Next Few Questions Refer to the Following Description

question 4

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.

-Which factor is most important for explaining why there are equal numbers of snapping shrimp species on either side of the isthmus?

• A) the relative shortness of time they have been separated
• B) the depth of the ocean
• C) the number of actual depth habitats between the surface and the sea floor
• D) the elevation of the isthmus above sea level
• E) the depth of the canal

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Definitions:

Unconventional

Unconventional refers to something that does not follow traditional or expected norms, methods, or practices.

Illogical

Lacking in sound reasoning or coherent argumentation, often leading to conclusions or actions that defy rational thought.

Ambiguous

Open to more than one interpretation or having a double meaning.

Emotions

Complex psychological states involving an individual's physiological response, subjective experience, and behavioral expression in response to stimuli.