According to evolutionary psychologist, Geoffrey Miller, the brain, like the peacock's tail, is designed through evolution to __________________.

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Geoffrey Miller argues that the brain, like the peacock's tail, has evolved as a costly signal of fitness to potential mates. Just as the peacock's tail signals its genetic quality and ability to survive despite its hindrance, the brain's cognitive abilities signal its genetic quality and ability to survive and thrive in complex environments.

According to Evolutionary Psychologist, Geoffrey Miller, the Brain, Like the Peacock's