How did the *Cebus* lineage achieve ecological dominance despite their relatively small size?
Answer
Through smarter interaction with their world
When contrasting the *Cebus* lineage with other monkey groups, it is noted that despite their relatively small physical stature compared to some relatives, they achieved significant ecological success. This dominance was not predicated on maximizing physical traits like sheer bulk or size, which might favor specialized physical adaptations. Instead, their success stems from highly developed cognitive abilities, enabling complex problem-solving, technological innovation (like tool use), and sophisticated social learning, allowing them to interact with their varied environments in more effective and flexible ways.

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