gram negative bacteria
type: Concept
broader: bacteria

spirochaetes
type: Concept
broader: bacteria

aerobic bacteria
type: Concept
broader: bacteria

anaerobic bacteria
type: Concept
broader: bacteria

concepts
type: Collection
type: ConceptGroup
member: bacteria

gram positive bacteria
type: Concept
broader: bacteria

pathogens
type: Concept
narrower: bacteria

bacteria
definition: Unicellular micro-organisms that absorb soluble food and reproduce by binary fission. They lack a cell nucleus or other intracellular organelles. [Source: Encyclopedia of Environmental Change; bacteria]
narrower: spirochaetes
narrower: gram positive bacteria
narrower: gram negative bacteria
narrower: anaerobic bacteria
narrower: aerobic bacteria
broader: pathogens
type: Concept