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Which part of the brain is the newest in an evolutionary sense?
(A) pons
(B) cerebral cortex
(C) forebrain
(D) reticular formation
(E) hypothalamus
Spoiler
Answer
(B) cerebral cortex
Spoiler
Explanation
As animals evolved and became more advanced, their brains typically became larger, relative to the size of their bodies. However, the part of the brain that has increased the most in size and a part that is not even present in many animals is the cerebral cortex. This change makes sense given that the cortex is the seat of high-level thought. The pons and reticular formation are both part of the brainstem, an older part of the brain. The forebrain includes the cortex as well as less advanced structures like the hypothalamus.
Posted : 19/04/2024 3:51 pm