classification

• 5 Kingdom system:

  • Plants — multicellular, nucleus, cell wall

  • Animals — multicellular, nucleus, no cell wall

  • Fungi — multicellular, nucleus, chitin cell wall

  • Protists — mostly unicellular, nucleus, some cell wall

  • Prokaryotes — unicellular, no nucleus, flexible cell wall
• 3 domain system: Archaea, Bacteria, Eukarya
• 3 domain system is based on genes.

  5 kingdom system is based on characteristics.
• Domain

  Kingdom

  Phylum

  Class

  Order

  Family

  Genus

  Species