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Classification (p.447-450)

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Century Gothic Arial Times Koi design template Classification (p.447-450) Why Do We Classify? Linnaeus s System Slide 4 What is a Species? Scientific ... – PowerPoint PPT presentation

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Title: Classification (p.447-450)


1
Classification (p.447-450)
2
Why Do We Classify?
  • To group and name organisms logically
  • Why not use common names?
  • Puma
  • Cougar
  • Mountain lion
  • Panther
  • What is it?
  • Felis concolor

3
Linnaeuss System
  • Domain
  • Kingdom
  • Phylum
  • Class
  • Order
  • Family
  • Genus (genera)
  • Species
  • Eukarya
  • Animalia
  • Chordata
  • Mammalia
  • Carnivora
  • Ursidae
  • Ursus
  • Ursus arctos

4
Which level is missing?
  • Which is the most inclusive level?

Which is the least inclusive level?
5
What is a Species?
  • A group of organisms so similar they can
    interbreed successfully
  • Must be able to produce fertile offspring
  • Mule? Hinny?
  • these are hybrids
  • (when 2 species breed)

6
Scientific Names
  • Each species is assigned a two-part name its
    scientific name
  • Genus (capitalized, can be abbreviated by first
    letter)
  • Species (not capitalized)
  • Always written in italics
  • Examples
  • Ursus arctos (grizzly bear)
  • E. coli (a bacterium)
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