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Classification CP Biology.  The Branch of Biology that names and groups organisms according to their characteristics and evolutionary history.  Why.

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Presentation on theme: "Classification CP Biology.  The Branch of Biology that names and groups organisms according to their characteristics and evolutionary history.  Why."— Presentation transcript:

1 Classification CP Biology

2  The Branch of Biology that names and groups organisms according to their characteristics and evolutionary history.  Why do we need to classify and why must the same system consistently be used by everyone? Taxonomy

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4  Aristotle: Greek philosopher classified living things as either PLANTS or ANIMALS over 2,000 years ago.  Was a good system until rapid scientific exploration led to many organisms being discovered…. Needed to be more specific.  Also, used common names which varied from each location. I.E. bear or bear (koala bear) Early Systems of Classification

5  Developed by Carlos Linnaeus ( ).  Used seven levels of organization:  Kingdom, Phylum, Class, Order, Family, Genus, Species  The organization starts out large (Kingdom contains all animals) and becomes more specific as you go down {Genus Species, Homo sapiens (only Humans)} Linnaeus’s System

6  System of naming organisms  Used to remove confusion over local names (bear and bear (koala bear).  Uses Latin names  Uses Genus and Species names to name organisms  Genus is capitalized.  Species is lower case.  You have to either UNDERLINE or ITALICIZE the Genus Species Binomial Nomenclature

7  The species word is the exact species identifier.  Usually a descriptive word. Ex.  Homo sapiens: Homo (man, human being)  sapiens (wise)…wise man Common name: Human Genus: Homo Species: sapiens Scientific Name: Homo sapiens or Homo sapiens Homo erectus: _________________ Genus Species

8  Domain  Kingdom  Phylum  Subphylum  Class  Order  Family  Genus  Species The Taxonomic Hierarchy  Eukarya  Animalia  Chordata  Vertebrata  Mammalia  Primata  Hominidae  Homo  sapiens


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