Darwin noticed that birds that were good at finding scarce food in the winter had a better chance of surviving and producing offspring. what did he call this struggle for existence?

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira