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Classification groups (taxon)
(From largest to smallest)
Dude,
Kids
Prefer
Candy
Over
Fried
Green
Spinach
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
3 Domains:
• Bacteria—Bacteria that live everywhere,
cell walls contain peptidoglycan.
Prokaryote.
• Archaea—Bacteria that live in extreme
environments, cell walls have no
peptidoclycan. Prokaryote.
• Eukarya—Have a nucleus, include fungus,
animals, plants, and protists. Eukaryote.
Kingdom Eubacteria
(Domain Bacteria)
Kingdom Archaebacteria
(Domain Archaea)
Protist Kingdom (Domain Eukarya)
Fungus Kingdom (Domain Eukarya)
Plant Kingdom (Domain Eukarya)
Animal Kingdom (Domain Eukarya)
Phylum
• Each kingdom is divided into several phyla
(singular phylum)
• Examples in the animal kingdom are
– Arthropoda (joint legged animals)
– Chordata (animals with a notochord (central nerve
cord))
– Mollusca (soft bodied animals)
3 Phyla of animals
Chordates
Mollusks
Arthropods
Class
• Each phylum is divided into Classes.
– Mammals, Avies, Reptiles, Amphibians, are
examples of classes in the phylum Chordata.
Orders
These are Orders in
the Class Mammalia
Family
Family Felidae (felines)
Family Ursidae
(bear family)
Family Canidae (canines)
Genus
Members of the genus Canis
Members of the genus Vulpes
Species
• Species name is two names: binomial
nomenclature.
• First name (genus) is capitalized, second name
(specific name) is lower case. Whole name is
italicized.
• Examples: Canis latranz (coyote)
Canis lupus (wolf)
• Some species are further divided into subspecies. Example: Canis lupus rufus (red wolf)
Canis lupus familiaris (dog)
Species
Turdus migratorius
Odocoileus hemionus
Lynx canadensis
Lynx rufus