Artificial vs. natural taxonomies
artificial -- based on similar characteristicsnatural -- based on evolutionary relatedness: phylogeny
The history of taxonomic systems
ancient and Middle AgesGaspard Bauhin and the idea of the genus
the contributions of Carolus Linnaeus
binomial nomenclaturea hierarchy of taxonomical groups
Current efforts at a natural taxonomy
fossil evidence for relatedness -- similarities between extinct and extant speciessimilarities among extant species
problems with homology and homoplasyinformation from molecular biology
ribosomal RNA
click here to go to taxonomy vocabulary
on to the next topic -- Cyanobacteria!
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