Kingdoms and Domains

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Kingdoms and Domains

• Sec 18-3
• Ever changing Taxonomy

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The 6 Kingdom System

• 2 Kingdoms Plantae and Animalia
• 3 Kingdoms Plantae, Animalia and
  Protista
• 4 Kingdoms Plantae, Animalia,
  Protista and Fungi
• 5 Kingdoms Plantae, Animalia, Protista,
  Fungi and Monera
• 6 Kingdoms Plantae, Animalia, Protista, Fungi,
  Eubacteria and Archaebacteria

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The Three-Domain System

• The domain is a more inclusive category than any
  otherlarger than a kingdom.
• Domain Bacteria corresponds to the Kingdom
  Eubacteria
• Domain Archaea corresponds to the Kingdom
  Archaebacteria
• Domain Eukarya composed of the Kingdoms
  Plantae, Animalia, Fungi and Protista

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Domain/Kingdoms
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Domain Bacteria

• Members of the domain Bacteria are unicellular
  prokaryotes.
• Their cells have thick, rigid cell walls that
  surround a cell membrane.
• Their cell walls contain peptidoglycan.

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Domain Bacteria
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Domain Archaea

• Members of the domain Archaea are unicellular
  prokaryotes.
• They live in extreme environments
• Their cell walls lack peptidoglycan.

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Domain Archaea
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Domain Eukarya

• The domain Eukarya consists of organisms that
  have a nucleus.
• This domain is organized into four kingdoms
• Protista
• Fungi
• Plantae
• Animalia

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Domain Eukarya
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Protista
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Fungi
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Plantae
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Animalia