Answer: their diets moved from nuts and berries to include meat. so the answer is A:)
Explanation:
Forebrain
Cerebral Cortex
Limbic System (Thalamus, Cingulate Cortex, Hippocampus, Amygdala)
Hypothalamus
Corpus Callosum
Midbrain
Superior colliculi
Inferior colliculi
Red nucleus
Hindbrain
Cerebellum
Pons
Medulla Oblangata
The answer is C) Kept confidential or secret.