Meaning & use
Monera
A former biological kingdom that grouped all prokaryotic organisms, especially bacteria, before modern classification split it apart.
See it in a sentence
Older textbooks placed bacteria in the kingdom Monera alongside other simple, single-celled organisms.
Monera has largely been replaced in modern taxonomy by the domains Bacteria and Archaea.
A note on using this word
Monera is now considered outdated, since genetic research showed the organisms it grouped together were not as closely related as once thought.
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