noun
- An organism belonging to the kingdom Monera, consisting of prokaryotic cells such as bacteria and cyanobacteria.
Usage: biology; taxonomy; The kingdom Monera is now often replaced by the domains Bacteria and Archaea in modern classification systems.
Examples
- Bacteria are examples of monerans that lack a membrane-bound nucleus.
- In the five-kingdom classification system, monerans were distinguished from all other organisms by their prokaryotic structure.
- Cyanobacteria, a type of moneran, can perform photosynthesis.
- The discovery of monerans revolutionized our understanding of cellular life.
- Most monerans are unicellular and reproduce through binary fission.