Geographical isolation led to the development of a set of new genes in a population of sea lions. these genes created a mutation in their jaws after twenty generations. which mode of evolution does this mutation represent?
natural slection
macroevolution
microevolution

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.