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Eight Major Taxonomic Ranks (Hierarchy of Biological Classification). Life. Domain. Kingdom. Phylum. Class. Order. Family. Genus. Species. The Three Domain System of Life (The Tree of Life). Domain - The highest taxonomic rank of organisms. Introduced by Carl Woese in 1990.
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Eight Major Taxonomic Ranks (Hierarchy of Biological Classification) Life Domain Kingdom Phylum Class Order Family Genus Species
The Three Domain System of Life (The Tree of Life) Domain - The highest taxonomic rank of organisms. Introduced by Carl Woese in 1990. Domain Prokaryote Eukaryote
Prokaryotes are organisms whose cells lack a nucleus while eukaryotes contain a nucleus.
The Three Domain System of Life (The Tree of Life) Domain Prokaryote Eukaryote Archaea Bacteria Eukarya
The Six Kingdoms Animalia Archaea Fungi Bacteria Protista Plantae Archaea Bacteria Eukarya Prokaryote Eukaryote
Single-Celled Multi-Celled Both Archaea Animalia Bacteria Fungi Protista Plantae Archaea Bacteria Eukarya Prokaryote Eukaryote
Asexual Reproduction Sexual Reproduction Both Archaea Animalia Bacteria Fungi Protista Plantae Archaea Bacteria Eukarya Prokaryote Eukaryote
Heterotrophic Autotrophic Archaea Animalia Bacteria Fungi Protista Plantae Archaea Bacteria Eukarya Prokaryote Eukaryote
Archaea Domain The organisms in this domain have no cell nucleus nor any other membrane-bound organelles within their cells. Crenarchaeota Euryarchaeota Korarchaeota Nanoarchaeota Thaumarchaeota
Bacteria Domain Spherical Shaped Rod Shaped Other Bacteria are usually smaller than plant or animal cells.