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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