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Classification of Living Things - ClassJump

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					Classification of Living Things
        Diversity of Life
         What is Classification?

   Grouping of things according to
    characteristics

   Taxonomy- science of classifying
    organisms and assigning each
    organism a universally accepted
    name
     Early Classification Systems
 Aristotle developed first method of
  classification.
 Classified things into 2 major
  groups: Plants and Animals.
 Aristotle grouped animals according
  to the way they moved
 Early system is problematic because
  the names were very long and
  described physical characteristics
    7 Classification Groups of Living
                 Things 1

 Kingdom             King
 Phylum              Phillip

 Class               Came

 Order               Over

 Family              For

 Genus               Great

 Species             Spaghetti
Linnaeus’s Classification System
     Grizzly bear   Black bear Giant   Red fox     Abert Coral Sea star
                               panda              squirrel snake

                               KINGDOM Animalia



                                PHYLUM Chordata



                                 CLASS Mammalia



                                 ORDER Carnivora



                                  FAMILY Ursidae



                                   GENUS Ursus



                               SPECIES Ursus arctos
          Classification Cont

          Bottlenose    Human     Loblolly
           Dolphin                Pine Tree
Kingdom   Animalia     Animalia   Plantae
Phylum    Chordata     Chordata   Pinophyta
Class     Mammalia     Mammalia   Pinopsida
Order     Cetacea      Primates   Pinales
Family    Delphinidae Hominidae Pinaceae
Genus     Tursiops     Homo       Pinus
Species   truncatus    sapiens    taeda
       Binomial Nomenclature
 Developed by Carolus Linnaeus
 Two-name system

 Names are in Latin

 Each organism has a genus and a
  species name
 First name is genus; second name
  is species
          Scientific Name
    Combination of genus and species
     name of an organism
    Scientific names are always
    1. Italicized or underlined
    2. Genus name is Capitalized
    3. Species name is lower-case


   Example: Tursiops truncatus
    and Homo sapian
      Dichotomous Keys
 Dichotomous   Key: a tool used
 to identify unfamiliar organisms
 A series of paired statements that
  describe physical characteristics
  of different organisms
Sample
Dichotomous Key
Sample Dichotomous Key
Sample Dichotomous Key Answers

 I     Betula (birch)
 II    Aesculus (buckeye)
 III   Carya (pecan)
 IV    Liquidambar (sweet gum)
V      Cercis (redbud)
 VI    Magnolia (magnolia)
 VII   Robinia (locust)

				
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posted:1/21/2012
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