In Order to Evolve Large Brains, Our Ancestors Had to Reduce

question 67

Multiple Choice

 In order to evolve large brains, our ancestors had to reduce the energy spent on other functions. Which of the following is not hypothesized to be an energy-saving adaption?

• A) walking upright
• B) hunting in groups
• C) cooperation with others in the community
• D) having large numbers of children

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The extent to which a measure is related to an outcome or criterion, assessing the practical utility of a test.

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Intelligence Quotient, a score derived from standardized tests designed to measure human intelligence.