Phylogenetic Classification

• What is taxonomy?


  The practice of biological classification.
• What is a group in the classification system referred to as?

  A taxon.
• What is phylogenetic classification?

  Classification based on an organisms evolutionary relationships and their ancestors with groups arranged into a hierarchy.
• What is the highest rank in the hierarchal classification system?

  Domain.
• What are the three domains?

  Archaea, bacteria, and eukarya.
• What are archaea?


  Small extremophile prokaryotes with no nucleus living in extreme environments.