Water flows off the wings of birds and insects due- to the presence of A)Waxes B)Sugars C)Proteins D)Minerals
Option B) Insects and birds have the simplest surface waxes that serve to water proof feathers. These consist of long chain hydrocarbons. The interlocking feather barbs and a special waxy coating create a shield that water runs off of. Besides, while a few components present in surface lipids can prevent growth of pathogens, the total surface was layer certainly functions to prevent microbial entry into the organism.
