During the Miocene, when temperatures became warm at higher latitudes, monkeys and apes radiated from Africa into Eurasia. What prevented primates from reappearing in North America during this time?
What will be an ideal response?
Even though there were primates in South America during the Miocene, North and South America were separated by a seaway that primates could not cross. The world was not so warm that primates could migrate to North America by way of the contact between Asia and Alaska.
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