What type of chemical bond if formed when one atom loses an electron and another atom gains an electron ?

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

Diagram of the evolution of land plants?

Which of the following forest management practices is best for reestablishing areas of forest?