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Linnaeus
1735[14]
2 kingdoms
Haeckel
1866[15]
3 kingdoms
Chatton
1925[16][17]
2 empires
Prokaryota
(not
treated)
Copeland
1938[18][19]
4 kingdoms
Monera
Whittaker
1969[20]
5 kingdoms
Woese et
al.
1977[21][22]
6 kingdoms
Woese et
al.
1990[23]
3 domains
Eubacteria
Bacteria
Monera
Bacteria
Archaebact
eria
Protista
CavalierSmith
2004[13]
6 kingdoms
Archaea
Protozoa
Protoctista
Protista
Protista
Chromista
Eukaryota
Vegetabilia
Animalia
Plantae
Plantae
Plantae
Eukarya
Plantae
Protoctista
Fungi
Fungi
Fungi
Animalia
Animalia
Animalia
Animalia
Plantae
Animalia
The 5 kingdom system
When applied to all five known eukaryote*
kingdoms of life on Earth, the approach
predicted:
~7.77 million species of animals (of which
953,434 have been described and cataloged)
~298,000 species of plants (of which 215,644
have been described and cataloged)
~611,000 species of fungi (moulds,
mushrooms) (of which 43,271 have been http://www.sciencedaily.com/releases/2011/0
described and cataloged)
8/110823180459.htm
~36,400 species of protozoa (single-cell
organisms with animal-like behavior, eg.
movement, of which 8,118 have been
described and cataloged)
~27,500 species of chromista (including, eg.
brown algae, diatoms, water moulds, of which
13,033 have been described and cataloged)
Total: 8.74 million eukaryote species on Earth.
How many species of bacteria are there?? No one knows.
There are typically 40 million bacterial cells in a
gram of soil and a million bacterial cells in a
millilitre of fresh water; in all, there are
approximately five nonillion (5×1030) bacteria
on Earth,[3] forming a biomass that exceeds
that of all plants and animals.[4]
One survey found 20,000 species of bacteria in
a liter of seawater.
How many species of archaebacteria are there?
About 300,000 and growing
Plant phyla
http://botit.botany.wisc.edu/courses/systemati
cs/Phyla/Phylum_directory.html