Which of the following descriptions best describes bacteria?

The correct answer is B. Prokaryotic. Bacteria are a type of microorganism that are classified as prokaryotes. Prokaryotes are a group of organisms that have cells that lack a defined nucleus and other membrane-bound organelles. Prokaryotes are typically smaller and simpler in structure than eukaryotes, which are organisms that have cells with a defined nucleus and membrane-bound organelles. Eukaryotes include animals, plants, and fungi. A. Eukaryotic is incorrect because bacteria are not eukaryotes. C. Both eukaryotic and prokaryotic is incorrect because bacteria are only prokaryotes, not eukaryotes. D. Neither eukaryotic nor prokaryotic is incorrect because bacteria are prokaryotes.