Why classify?

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• Why classify?
• Humans have developed classification systems in
  order to make sense of the abundant biological
  diversity that exists in nature.

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Taxonomy

• the identification, naming, and classification
  of species
• Taxonomists spend their time searching for
  previously unknown organisms, determining their
  relationships to known organisms, and giving them
  names

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Eight Levels of Taxonomic Classification

• Domain
• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species

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From biggest to smallest
1.Domain compare to a continent 2. Kingdom
compare to a country3. Phylum compare to a
state4. Class compare to a county5. Order
compare to a town6. Family - compare to a
neighborhood7. Genus - compare to a street8.
Species compare to house number
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Domain, Kingdom, Phylumwhat?

• An easy way to remember the classification
  levels
• Do Kansas Predators Catch Old Furry Grey
  Squirrels
• Does King Phillip Come Over For Grape
• Soda

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Eight Levels of Taxonomic Classification for
theGrizzly Bear

• Domain Eukarya
• Kingdom Animalia
• Phylum Chordata
• Class Mammalia
• Order Carnivora
• Family Ursidae
• Genus Ursus
• Species Ursus arctos

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Eight Levels of Taxonomic Classificationfor
theDog

• Domain-Eukarya
• Kingdom-Animalia
• Phylum-Chordata
• Class-Mammalia
• Order-Carnivora
• Family Canidae
• Genus-Canis
• Species- Canis familiaris
• Scientific name
• Canis familiaris

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Writing Scientific Names

• The rules for writing scientific names
• -CAPITALIZE the first letter of the genus name.
• -the species name is all lower case letters.
• -Both names must be underlined or italicized.
• Example human Homo sapiens

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Another Example

• E. coli --Sometimes the genus name is
  abbreviated.
• Escherichia coli

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• Scientific Name Rhinecanthus aculeatus
• - Hawaii Huma Huma Nuka Nuka Apuaa
• - Other Places - Picasso Triggerfish

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• Modern System of Classification
• Domain Archae unicellular (one cell) prokaryotes
  (contain no nuclei),
• harsh environments.
• Domain Bacteria common form of bacteria,
  circular shaped, most are aerobic (needs oxygen).
• Domain Eukarya
• Protista eukaryotesm(have nuclei) mostly
  unicelluar, no complex tissues or systems.

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• Fungi heterotrophic (cannot make its own food)
  eukaryotes, unicellular and multicellular(2 or
  more cells), absorb nutrients, 100,000 species.
• Plantae Eukaryotes, multi-cellular, most are
  autotrophic (make their own food) ------
  photosynthesis, 350,000 species.
• Animalia Eukaryotes, multi-cellular,
• Heterotrophic (cannot make its own food), most
  have symmetrical bodies.

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Archae(bacteria)
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Bacteria
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Protists
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Fungi
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Plants
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Animals