Based on archeological and anthropological research.
Develops one of the steps in the process of advancing a species of primate that eventually became human.
- Leaving the jungle environment where the primary food source was plant based by expanding out into the vast savannah grasslands.
- Switching to a diet that was very high in animal based foods (thereby providing for a major development in brain growth which allowed for higher thought processes AND providing much more energy than plant food equivalent which allowed more freedom of time for creativity).
- And developing the cooking of food (primarily animal based foods) which made the food more tasty, digestible, and bioavailabile thereby enhancing the advantages mentioned above.