taxon
Biological classification category
A taxon is a group of organisms classified together in biological taxonomy—a species, genus, family, or any other rank in the hierarchy of life.
The plural is taxa.
Biologists use the term when discussing classification without specifying rank: The genus contains twelve taxa, Is this taxon monophyletic?
Nucleus-free single-celled organisms
- archaeaThird domain of life
- eubacteriaProkaryotes with peptidoglycan walls
- archaebacteriaPrimitive prokaryotic domain
- protistUnicellular eukaryotic organism
prokaryote · eukaryote · cyanobacteria · extremophile · microbiome · pathogen · symbiont · unicellular
Monarch's ruled territory
- phylumMajor classification rank
- classGrouping by shared traits
- orderMethodical arrangement or request
- familyRelated people together
genus · species · subspecies · variety · rank · hierarchy · domain · grouping
Formation of distinct species
- divergenceSeparation from common origin
- phylogenyEvolutionary relationships among organisms
- common ancestorOrigin point of descendants
- adaptationFitting to new conditions
natural selection · genetic drift · mutation · variation · phenotype · genotype · heritability · fitness
Finest taxonomic rank
- habitatOrganism's natural environment
- endangeredAt risk of extinction
- conservationPreventing waste or loss
- populationAll inhabitants combined
ecosystem · niche · biodiversity · fauna · flora · indigenous · invasive · keystone
bacteria
Nucleus-free single-celled organisms
- archaeaThird domain of life
- eubacteriaProkaryotes with peptidoglycan walls
- archaebacteriaPrimitive prokaryotic domain
protist · prokaryote · eukaryote · cyanobacteria · extremophile · microbiome · pathogen · symbiont · unicellular · colony
kingdom
Monarch's ruled territory
family · genus · species · subspecies · variety · rank · hierarchy · domain · grouping · binomial
speciation
Formation of distinct species
- divergenceSeparation from common origin
- phylogenyEvolutionary relationships among organisms
- common ancestorOrigin point of descendants
adaptation · natural selection · genetic drift · mutation · variation · phenotype · genotype · heritability · fitness · convergence
species
Finest taxonomic rank
- habitatOrganism's natural environment
- endangeredAt risk of extinction
- conservationPreventing waste or loss
population · ecosystem · niche · biodiversity · fauna · flora · indigenous · invasive · keystone · endemic
- water taxisSmall passenger boats
- local taxisNearby hired cars
- Bloom's taxonomyHierarchy of cognitive skills
- air taxisOn-demand short-haul aircraft
- shared taxisCabs carrying several fares
- motorcycle taxisPaid rides on motorbikes
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