If a complex molecule can be digested to produce monosaccharides and disaccharides, then the original molecules should be classified as which type of biomolecule?

the answer is "a.) well–developed vascular system."

explanation:

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.