1)Amylose is a polysaccharide while glucose is a monosaccharide
2) Amylose requires an enzyme, amylase to be broken down into maltose (a disaccharide) through a process of hydrolysis while Glucose doesn't need any enzyme to be converted in maltose during condensation .
If you're overfishing at the top of the food chain, and acidifying the ocean at the bottom, you're creating a squeeze that could conceivably collapse the whole system that's my answer
