Final answer:
The evolution of the modern human brain has led to changes in our nutritional requirements, requiring a more nutrient-dense diet to support our larger and more complex brain.
Step-by-step explanation:
The evolution of the modern human brain has implications for our nutritional requirements.
As the human brain evolved, it became larger and more complex. This increase in brain size and complexity requires more energy to function, which means our nutritional requirements also changed. The expensive tissue hypothesis suggests that our digestive system became smaller and more efficient, allowing us to consume higher-quality, nutrient-dense foods like meat to meet the energy demands of a larger brain.
In addition, the development of culture and technology, made possible by our larger brain, allowed us to adapt to different environments and expand our diet. Our ancestors' ability to create tools for hunting and create fire for cooking also played a role in meeting our nutritional needs. In summary, the evolution of the modern human brain has led to changes in our nutritional requirements, requiring a more nutrient-dense diet to support our larger and more complex brain.