Classification

• In 1700s Carl Linnaeus created a classification system which grouped organisms based on their characteristics and bone structure.
• Linnean system;

  1. Kingdom (plants, animals, fungi, protists, bacteria)
  2. Phylum
  3. Class
  4. Order
  5. Family
  6. Genus
  7. Species
• An organism is named after their genus and species and is in latin. It is also often written in italics or underlined.
• In 1990s Carl Woese proposed the three domain system (it was merged with the Linnean system). The three domains are; eukaryota, bacteria and archea.
• Evolutionary trees are used to show how closely related organisms are. They are completed using classification data and fossils.