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Classifying LifeClassifying Life There are over 2 million known speciesThere are over 2 million known speciesof organisms...
Kingdom ArchaebacteriaKingdom Archaebacteria Bacteria live in harsh or extremeBacteria live in harsh or extremeenvironmen...
 Most other bacteriaMost other bacteria Live everywhereLive everywhere Some cause diseaseSome cause disease Some are h...
 Most “diverse” kingdomMost “diverse” kingdom AquaticAquatic EukaryoticEukaryotic Mostly unicellular (algae are the ex...
 EukaryoticEukaryotic Multicellular (except yeast)Multicellular (except yeast) Mostly terrestrialMostly terrestrial He...
 Eukaryotic and multicellularEukaryotic and multicellular Cell walls made ofCell walls made of cellulosecellulose Autot...
 Multicellular and eukaryotic Heterotrophic Digest food internally No cell walls
 What do the following words have in common?What do the following words have in common? chien, inu, perro.chien, inu, pe...
 In science, each species is given a “scientificIn science, each species is given a “scientificname.”name.” Ex.)Ex.) Can...
 Genus name (first word) - always capitalizedGenus name (first word) - always capitalized Species name (second word) - n...
 Some organisms have theSome organisms have thesame genus name.same genus name. Ex.)Ex.) Felis domesticusFelis domesticu...
Classifying life
Classifying life
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Classifying life

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Transcript of "Classifying life"

  1. 1. Classifying LifeClassifying Life There are over 2 million known speciesThere are over 2 million known speciesof organisms.of organisms. All life is classified into 6 majorAll life is classified into 6 majorkingdoms.kingdoms.
  2. 2. Kingdom ArchaebacteriaKingdom Archaebacteria Bacteria live in harsh or extremeBacteria live in harsh or extremeenvironmentsenvironments UnicellularUnicellular ProkaryoticProkaryotic Heterotrophic orHeterotrophic orAutotrophicAutotrophic Cell walls withoutCell walls withoutpeptidoglycanpeptidoglycan
  3. 3.  Most other bacteriaMost other bacteria Live everywhereLive everywhere Some cause diseaseSome cause disease Some are helpfulSome are helpful UnicellularUnicellular ProkaryoticProkaryotic Heterotrophic orHeterotrophic orAutotrophicAutotrophic Cell walls withCell walls withpeptidoglycanpeptidoglycan
  4. 4.  Most “diverse” kingdomMost “diverse” kingdom AquaticAquatic EukaryoticEukaryotic Mostly unicellular (algae are the exception)Mostly unicellular (algae are the exception) Heterotrophic or autotrophicHeterotrophic or autotrophic Ex.) Paramecium, amoeba, euglenaEx.) Paramecium, amoeba, euglena
  5. 5.  EukaryoticEukaryotic Multicellular (except yeast)Multicellular (except yeast) Mostly terrestrialMostly terrestrial Heterotrophic - Obtain food throughHeterotrophic - Obtain food throughabsorptionabsorption Cell walls made of chitinCell walls made of chitin
  6. 6.  Eukaryotic and multicellularEukaryotic and multicellular Cell walls made ofCell walls made of cellulosecellulose AutotrophicAutotrophic ChloroplastsChloroplasts
  7. 7.  Multicellular and eukaryotic Heterotrophic Digest food internally No cell walls
  8. 8.  What do the following words have in common?What do the following words have in common? chien, inu, perro.chien, inu, perro.
  9. 9.  In science, each species is given a “scientificIn science, each species is given a “scientificname.”name.” Ex.)Ex.) Canis familiarisCanis familiaris (scientific name for dog).(scientific name for dog). UniversalUniversal Latin.Latin. System of naming called “binomial nomenclature”System of naming called “binomial nomenclature” Carolus LinnaeusCarolus Linnaeus
  10. 10.  Genus name (first word) - always capitalizedGenus name (first word) - always capitalized Species name (second word) - never capitalizedSpecies name (second word) - never capitalized italics or underlineditalics or underlined Ex.)Ex.) Homo sapienHomo sapien oror Homo sapienHomo sapien
  11. 11.  Some organisms have theSome organisms have thesame genus name.same genus name. Ex.)Ex.) Felis domesticusFelis domesticusFelis leoFelis leoFelis tigrisFelis tigrisSame genusSame genusDifferent species.Different species.What is a species?What is a species?

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