How sharp claws of eagle help in adaptation?

Diagram of the evolution of land plants?

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

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