ClassificationClassification

ALBIO9700/2012JK

The Five Kingdom The Five Kingdom ClassificationClassification

• Early classifications suggested that Early classifications suggested that organisms could best be organised into organisms could best be organised into 2 kingdoms – those having no cell walls, 2 kingdoms – those having no cell walls, whilst being motile and heterotrophic whilst being motile and heterotrophic (animals) and the rest (plants)(animals) and the rest (plants)

• Three-domain classification – Three-domain classification – prokaryotes divided into 2 domains prokaryotes divided into 2 domains (bacteria and archaea) with eukaryotes (bacteria and archaea) with eukaryotes as a thirdas a third

• Five kingdom classification – divides the Five kingdom classification – divides the living world into 5 kingdomsliving world into 5 kingdoms

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SummarySummary

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Linnaeus1735

2 kingdom

s

Haeckel1866

3 kingdom

s

Chatton1937

2 empire

s

Copeland1956

4 kingdom

s

Whittaker1969

5 kingdom

s

Woese et al.1977

6 kingdoms

Woese et al.1990

3 domains

(not treated)

Protista Prokaryota

Monera Monera Eubacteria Bacteria

Archaebacteria

Archaea

Eukaryota Protista Protista Protista Eukarya

Vegetabilia Plantae Fungi Fungi

Plantae Plantae Plantae

Animalia Animalia Animalia Animalia Animalia

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ALBIO9700/2006JK