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brain ↔ meat

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related 2.00 — strongly supporting 3 facts

The consumption of meat is hypothesized to have provided the necessary caloric density to fuel the evolution of a larger brain in human ancestors, as evidenced by [1], [2], and [3].

Facts (3)

Sources
The Evolution of Diet - National Geographic nationalgeographic.com National Geographic 2 facts
claimSome scientists hypothesize that eating meat was crucial to the evolution of larger brains in human ancestors approximately two million years ago.
claimHomo erectus fueled the evolution of a larger brain by consuming calorie-dense meat and marrow instead of the low-quality plant diet consumed by apes.
How do we know what they ate? - The Australian Museum australian.museum Australian Museum 1 fact
claimIncreasing the proportion of meat in the diet allowed the digestive system of human ancestors to shrink, freeing up energy to sustain a larger brain.