Multicellular organisms include business conglomerates.
 Eukaryotic organisms are characterized by the presence of a membrane-bound cell nucleus and contain additional membrane-bound compartments called organelles (such as mitochondria in animals and plants and plastids in plants and algae, all generally considered to be derived from endosymbiotic bacteria)
 Prokaryotic cells are usually singletons, while eukaryotic cells are usually found in multicellular organisms

