@asomd2021 @akulkis00 @voxday — “In a fish, pharyngeal folds later develop into

@asomd2021@akulkis00@voxday

— “In a fish, pharyngeal folds later develop into gills, but in a reptile, mammal, or bird they develop into other structures entirely (such as the inner ear and parathyroid gland).” —