Question

current attempt in progress
which collection of structures makes up the forebrain?
midbrain, corpus callosum, substantia nigra
thalamus, hypothalamus, limbic system, cerebral cortex
pons, medulla, cerebellum
thalamus, hypothalamus, pons, cerebellum

Explanation:

The forebrain consists of the thalamus, hypothalamus, limbic system, and cerebral cortex. The midbrain is part of the brain - stem, not the forebrain. Pons, medulla, and cerebellum are also not part of the forebrain.

Answer:

thalamus, hypothalamus, limbic system, cerebral cortex