HEENT stands for Head, Eyes, Ears, Nose, and Throat (medical) Suggest new definition. This definition appears somewhat frequently and is found in the following Acronym Finder categories: Science, medicine, engineering, etc.
Bacteria are microscopic organisms that comprise the domain Eubacteria. A domain is the highest grouping of organisms, superseding the level of kingdom in the classical Linnaean system of biological classification.
From the classification system, then, the Eukarya domain would contain all members of kingdoms Protista, Fungi, Plantae, and Animalia. The organisms that our system puts in kingdom Monera would go into either the Archaea domain or the Bacteria domain, depending on certain characteristics.