While at the zoo you see an exhibit with a small group of primates and notice they have wet, snout-like noses. This indicates:

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The presence of a wet, snout-like nose indicates the retention of a rhinarium, which is a structure found only in prosimian primates and a few other mammal species. Therefore, the primates in the exhibit are likely to be strepsirhine primates, which include lemurs, lorises, and galagos.

While at the Zoo You See an Exhibit with a Small