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Taxonomy Ch. 18.1 (p.337-339)

Taxonomy Ch. 18.1 (p.337-339). Taxonomy = grouping organisms according to their characteristics and evolution •People like to classify things; these classifications can change •Current system usually uses 7 levels (more if sub-groups are used). Taxonomy Ch. 18.1 (p.337-339).

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Taxonomy Ch. 18.1 (p.337-339)

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  1. TaxonomyCh. 18.1 (p.337-339) Taxonomy= grouping organisms according to their characteristics and evolution •People like to classify things; these classifications can change •Current system usually uses 7 levels (more if sub-groups are used)

  2. TaxonomyCh. 18.1 (p.337-339) Hierarchical= arrange from high to low; least specific to most specific •Kingdom > Phylum > Class > Order > Family > Genus > Species Try it: List hierarchy for a wolf

  3. TaxonomyCh. 18.1 (p.337-339) Hierarchical= arrange from high to low; least specific to most specific •Kingdom > Phylum > Class > Order > Family > Genus > Species Try it: List hierarchy for a wolf Animalia> Chordata > Mammalia > Carnivora > Canidae (canines) > Canis > lupus Canis lupus

  4. TaxonomyCh. 18.1 (p.337-339) Kingdom= broad grouping, Linnaeus originally had just 2 kingdoms: plants & animals •Now 6 kingdoms: archaebacteria, eubacteria, protista, fungi, plantae, animalia • Phylogeny = evolutionary history of an organism; • Classification is based on evolutionary relationships

  5. TaxonomyCh. 18.1 (p.337-339)

  6. TaxonomyCh. 18.1 (p.337-339) Binomial nomenclature = 2 name system (Genus and species •Always capitalize Genus, always lowercase species (Homo sapiens) •Italicize if typing: Homo sapiens underline if writing: Homosapiens

  7. TaxonomyCh. 18.1 (p.337-339)

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