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

Multiple Choice

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 hammer;another group does this with a wooden hammer.These group differences in food-gathering practices best illustrate

A) algorithms.
B) heuristics.
C) belief perseverance.
D) cultural diversity.