What three things does the original cell theory propose?

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

How does a gymnosperm prevent itself from pollinating the same tree

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone