The portion of the brain that has shown the most dramatic changes in size in the evolution of birds and mammals is the
A)hindbrain.
B)midbrain.
C)forebrain.
D)cerebellum.
E)medulla oblongata.

Question

Quizplus · Accepted Answer

The forebrain, specifically the cerebral cortex, has undergone the most dramatic changes in size and complexity during the evolution of birds and mammals. This expansion has been associated with increased cognitive abilities, such as complex problem-solving, language, and social behavior.

The Portion of the Brain That Has Shown the Most