Answer:
scientist can learn how the rat has evolved based on where they live. it also helps find what the common ancestor was and all the common traits they have, for example rats in Norway may be used to the cold. and the rats in africa need to adapt to the heat and the constant threat of them being eaten.
It’s helps grow healthy plants whether the plants or outdoor or indoors
i think it's contact, dynamic, and regional
hope this helps
uses a acetyl coa as areactant is c)glycolysis