Human children pass the test from about 18 months onwards. Of the four other species of great ape , chimpanzees, bonobos, and orangutans mostly do touch the spots, although they vary a lot, but gorillas do not. If I'm not mistaken, there are five groups classified by biologists as "great apes" ( Hominidae ), and humans are one of them.
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Takadifference between 'the four other species' and 'the other four species'None, though personally I tend to use the second one.