The Five Kingdoms

The five kingdom proposal was introduced by Robert Whittaker in 1968 as a way to categorise all organisms.

Living organisms are divided into five kingdoms:

Prokaryotae

Mainly small eukaryotic organisms.
Many live in aquatic environments.
This is usually the kingdom where organisms which aren't animals, plants or fungi go.
Examples: Algae, slime moulds and the malaria causing Plasmodium.

Eukaryotic
Multicellular
Cell wall made of chitin.
The members of this kingdom don't posses photosynthetic pigments and are therefore heterotropic.
Examples: Mushroom, Mold, Puffball

Eukaryotic
Multicellular
Cell wall made of cellulose.
Members of the plantae group contain photosynthetic pigment and gain their energy through it and are therefore autotropic.

Eukaryotic
Multicellular
Heterotropic
The members of this kingdom can be split into two groups, vertebrates and invertebrates. The diagram below shows the different subsections of the animalia

The vertebrate subsection of the animalia kingdom can be split again into five different sections:

Kingdom	Number of Cells	Type of Cells	How they gain their energy?	Do they move?	Examples
Prokaryotae	Unicellular	Prokaryotic	Some Heterotrophic, Some Autotrophic	Some	Bacteria, Cyanobacteria
Protoctista	Mainly Unicellular	Eukaryotic	Some Heterotrophic, Some Autotrophic	Some	Amoeba
Fungi	Multicellular	Eukaryotic	Heterotrophic	Mainly not	Mushroom, Mold, Puffball
Plantae	Multicellular	Eukaryotic	Autotrophic	No	Trees, Flowering Plants
Animalia	Multicellular	Eukaryotic	Heterotrophic	Yes	Bird, Human, Cow

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