Which of the following answers provides evidence that human males evolved to provide direct and indirect care toward infants? A. Homo sapiens exhibit less sexual dimorphism compared to primates that do not provide infant care. B. Testosterone levels are lower in human males that spend more time with their newborn infants. C. Males in the U.S. have similar testosterone levels to other populations. D. Human males did not in fact evolve to provide care toward infants. E. A and B.
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