The characteristics of the organisms belonging to this kingdom include:The Monerans are unicellular organisms.The DNA is naked and is not bound by a nuclear membrane.They contain 70S ribosomes.Flagella serves as the locomotory organ.The cell wall is rigid and made up of peptidoglycan.It lacks organelles like mitochondria, lysosomes, plastids, Golgi bodies, endoplasmic reticulum, centrosome, etcThey show different modes of nutrition, such as autotrophic, parasitic, heterotrophic, or saprophytic.They reproduce asexually by binary fission or budding.These are environmental decomposers and mineralizers.