Some modern human populations adapted in just a couple thousand years to living at high altitudes; this is a clear example of
A)microevolution.
B)macroevolution.
C)ancient synthesis.
D)punctuated equilibrium.
E)sexual dimorphism.

Question

Quizplus · Accepted Answer

Microevolution refers to small evolutionary changes (typically described as changes in allele frequency) within a species or population. The adaptation of human populations to high altitudes involves changes in traits such as increased hemoglobin levels, which is a result of microevolutionary processes.

Some Modern Human Populations Adapted in Just a Couple Thousand