1-1: Ch 10 Classification/naming

how are microorganisms named scientifically?

• two names: genus, specific epithet

  • ex) Escherichia coli → E. coli

how are microorganisms classified?

based on domain system, nucleotide sequence in rRNA (protein synthesis)

• bacteria } prokaryote = no nucleus

• archaea }

• eukarya } eukaryote = nucleus

what is taxonomy?

study of classifying organisms

what is phylogeny?

study of evolutionary history of organisms

significance of taxonomy hierarchy?

shows phylogenic relationship among organisms

classification of eukaryotes

1) protista
2) fungi
3) plantae
4) animalia

**breed among themselves

what is the model origin of eukaryotes?

endosymbiosis

classification of prokaryotes

1) culture = bacteria grown in lab
2) clone = same parent cell
3) strain = genetic variant

**similar characterestics

classification of virus

• not part of any domain, no cells, needs host