One way to get consistent, valid data is to A. be sure that instruments are calibrated properly.
B. use simple instruments to make measurements.
C. select the best data to place into data tables.
D. make the measurements as quickly as possible.

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