Classifying Organisms

Published on Oct 13, 2016

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PRESENTATION OUTLINE

Classifying Organisms

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  • Aristotle
  • Carolus Linnaeaus
  • Robert Whitaker
  • systematics
Photo by jasonvance

Systematics

  • Domain
  • Kingdom
  • Phyla
  • Class
  • Order
  • Family
  • Genus
  • Species
Photo by jinchinlin

Domain Bacteria

  • Kingdom: Bacteria
  • unicellular
  • prokaryotes (no nucleus
Photo by EMSL

Domain Archaea

  • Kingdom: Archaea
  • unicellular
  • prokaryotes (no nucleus)
  • extreme environments
Photo by nojhan

Domain Eukarya

  • Kingdoms: Protista, Fungi, Plantae, Animalia
  • eukaryotes (nucleus in cells)

Kingdom Protista

  • mostly unicellular
  • "odds & ends" group

Kingdom Fungi

  • mostly multicellular
  • heterotrophs
  • absorb food
Photo by Ari Helminen

Kingdom Plantae

  • multicellular
  • autotrophs
Photo by likeaduck

Kingdom Animalia

  • multicellular
  • heterotrophs

Binomial Nomenclature

unique 2 word name for each species
Photo by Steve took it

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  • First word - genus (capitalized)
  • second word - species (not capitalized)
  • Latin; writen in italics
Photo by quinn.anya

Makes communication more precise and easier for scientists around the world.

Dichotomous Key
- uses pairs of questions/statements to identify organisms

Photo by purplbutrfly

Cladograms
branched diagram showing relationships & common ancestry between species

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