jaws have different shapes for eating different foods
tyrannosaurus_rex is huge_meat_eating_dinosaur. apples_and_balloons has similar_shape cake_and_celery is both_foods. catfish_flesh is meat. muffins_and_celery is both_foods. beak is nose. birds has beaks smelts is edible_fish. milkfish is edible_fish. different_cultures has different_tonal_scales