One group of chimpanzees slurp termites directly from a stick;another group picks them off the stick one by one.One group of chimpanzees breaks nuts with a stone;another group does this with a piece of wood.These food-gathering practices best illustrate differences in

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The differences in food-gathering practices between the two groups of chimpanzees suggest that they have developed different local customs, or cultural traditions, for obtaining food. The other answer choices do not accurately describe this situation. Algorithms and heuristics refer to problem-solving methods used by individuals, while belief perseverance is the tendency to cling to one's existing beliefs even in the face of contradictory evidence.

One Group of Chimpanzees Slurp Termites Directly from a Stick;another