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TAXONOMY

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TAXONOMY Taxonomy Field of biology that identifies and classifies organisms Linnaeus Classification: hierarchy of taxa (group) ranked from the broadest, most general ... – PowerPoint PPT presentation

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Title: TAXONOMY


1
TAXONOMY
2
Taxonomy
  • Field of biology that identifies and classifies
    organisms
  • Linnaeus Classification hierarchy of taxa
    (group) ranked from the broadest, most general
    groups to the smallest, most specific groups

3
Taxa Foldable
  • Divine King Philip Came Over For Good Spaghetti
  • D Domain
  • K Kingdom
  • P Phylum
  • C Class
  • O Order
  • F Family
  • G Genus
  • S Species
  • Plants are divided into Divisions instead of
    phyla

4
Binomial Nomenclature
  • Two-name naming
  • An organisms scientific name consists of the
    genus name and the species name
  • The genus is capitalized and the species is not
  • The species must be in italics or underlined
  • i.e. Felis sylvestris or Felis sylvestris
  • The genus can be abbreviated to a single letter
  • F. sylvestris

5
Cladogram
  • Diagram used to show the evolutionary
    relationships between organisms
  • Derived characteristics are used as milestones of
    evolution to better organize different species

6
Example of a Cladogram
7
Dichotomous Key
  • Used to find the scientific name of an organism
    by using the organisms traits
  • Can also be used in the reverse, to identify the
    traits of an unknown organism

8
Example of a Dichotomous Key
  • CHORDATA KEY
  •  
  • 1a Fins present or lack appendages marine or
    freshwater habitat . . . . . Go To 2
  • 1b Fins absent may have legs, wings, or
    flippers . . . . . . . . . . . . . . . . . .Go To
    3
  •  
  • 2a Leathery skin fins present has jaws
    cartilaginous skeleton. . . . . . .
    Chondrichthyes
  • 2b Scaly skin has jaws bony skeleton. . . . .
    . . . . . . . . . . . . . . . . . . . . .
    Osteichthyes
  •  
  • 3a No scales, feathers or hair. . . . . . . . .
    . . . . . . . . . . . . . . . . . . . . . . . . .
    Amphibia
  • 3b Has either scales, feathers or hair . . . .
    . . . . . . . . . . . . . . . . . . . . . . . .Go
    To 4
  •  
  • 4a Has scales . . . . . . . . . . . . . . . . .
    . . . . . . . . . . . . . . . . . . . . . . . . .
    . . . .Reptilia
  • 4b Does not have scales . . . . . . . . . . . .
    . . . . . . . . . . . . . . . . . . . . . . . . .
    Go To 5
  •  
  • 5a Has feathers . . . . . . . . . . . . . . . .
    . . . . . . . . . . . . . . . . . . . . . . . . .
    . . . Aves
  • 5b Has hair . . . . . . . . . . . . . . . . . .
    . . . . . . . . . . . . . . . . . . . . . . . . .
    . . . . Mammalia
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