Classification

• classes of organisms as determined by Carl Linnaeus

  kingdom, phylum, class, order, family, genus, species
• which features are living creatures traditionally classified by?

  structure and characteristics
• binomial system of naming organisms

  genus name followed by species name
• why were new classification models proposed?

  • developments in microscopy allowed better examination of internal structures
  • improvement in understanding of biochemical processes
• state the 3 domains

  • Archaea
  • Eukarya
  • bacteria
• which organisms belong in archaea?

  bacteria, usually living in extreme environments
• which organisms belong in bacteria?

  bacteria
• which kingdoms belong in eukarya?

  • plants
  • protists
  • fungi
  • animals
• how are evolutionary trees created?

  examining the DNA of different species and analysing how similar the sequences are