Final answer:
Prokaryotic organisms, such as Bacteria and Archaea, lack a true nucleus and membrane-bound organelles.
Explanation:
Prokaryotic organisms are predominantly single-celled organisms of the domains Bacteria and Archaea. They lack a true nucleus and other membrane-bound organelles. Some common prokaryotic organisms include Cyanobacteria and other similar groups.
Learn more about Prokaryotic organisms here:
https://brainly.com/question/42564326
