There are currently many similar-looking but different species on either side of the Isthmus of Panama. They most likely resulted from
A) temporal isolation.
B) allopatric speciation.
C) hybridization.
D) random mutations.
E) sympatric speciation.

Question

Quizplus · Accepted Answer

The Isthmus of Panama, acting as a physical barrier between the Pacific and Atlantic oceans, has led to allopatric speciation. This occurs when populations of a species become isolated geographically, leading to the evolution of new species due to the different selective pressures or genetic drift in the isolated environments.

There Are Currently Many Similar-Looking but Different Species on Either