Humans, monkeys, and other primates have more physical characteristics in common than they do with other mammals, like horses, dogs, or mice. These similarities are evidence for a more recent common ancestor among primates than between primates and other mammals. Think about the face, teeth, hands or feet, and offspring of primates, like humans, and of other mammals you may have encountered. Which of the following best describes contrasting physical characteristics between primates and other mammals?

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