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Answer :
Final answer:
The human brain evolved and became larger primarily due to cooking food, which allowed for better nutrient absorption and reduced energy expenditure. Bipedalism also enhanced food gathering and tool use, further promoting brain development. Together, these factors created a positive feedback loop that fueled our cognitive evolution.
Explanation:
Advancements in Human Brain Evolution
The development of the human brain was influenced by several key factors that allowed it to evolve and grow larger over time. One significant advantage was cooking food, which, as noted by anthropologist Richard Wrangham, enabled our ancestors to obtain more calories while expending less energy on digestion. By cooking, hominins could consume a more diverse range of foods, which provided the extra energy needed to support a larger brain and more complex thinking.
Additionally, bipedalism played a crucial role by freeing up our ancestors' hands. This allowed for the carrying of food, tools, and infants, which enhanced social cooperation and communication among early human groups. As tools became more sophisticated, our capabilities grew alongside our brain size, creating a positive feedback loop that further fueled brain development.
In summary, the combination of cooking food and the advantages of bipedalism contributed significantly to the evolutionary expansion of the human brain, setting us apart from other species.
Learn more about Human Brain Evolution here:
https://brainly.com/question/35933854
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