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

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls