Primates are placental mammals that include gorillas, monkeys and chimpanzees, as well as humans. Other than humans, primates are found mostly in Central and South America, Africa, and South Asia.
Because they share 98 percent of human DNA, researchers over the years have wondered whether chimpanzees can learn human language. Apart from Planet of the Apes, chimps don't yet engage in spontaneous communication with their trainers. Take this quiz and learn about some of the fascinating things happening in this field.