One theory of why humans quickly evolved a bigger brain size is that there was intraspecific competition for mates and resources. What new behaviors might have emerged, and how could these explain the need for a greater amount of brain volume? Propose an explanation, giving specific examples of brain regions that might be involved.

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The Answer of One theory of why humans quickly evolved a bigger brain size is that there was intraspecific competition for mates and resources. What new behaviors might have emerged, and how could these explain the need for a greater amount of brain volume? Propose an explanation, giving specific examples of brain regions that might be involved.

One Theory of Why Humans Quickly Evolved a Bigger Brain