Classification

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Classification

• Pages 200-207

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A. What is Classification?

• Classification is the arrangement of organisms
  into orderly groups based on their similarities.
  Why Classify?
• Classifying makes it easier for biologist to find
  the answers to questions like
• How many species are there?
• What are the characteristics of each?
• What are the relationships between species?

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B. What are the Levels of Classification?

• 1.The levels of classification go from very
  general to very specific. They are
• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species

How could we remember the order they go in?
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C. What is the Basis for classification?

• Carolus Linnaeus founded taxonomy the science of
  indentifying, classifying and naming organisms.
  What do you think it is based on?
• Taxonomy is based on evolutionary relationships.
• a. Did they have a common ancestor?
• b. How closely related are they?

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D. How do we name Organisms?

• Scientists use a scientific name for each
  organism based on the Latin and Greek Languages.
• It is a 2 name naming system or binomial
  nomenclature.
• These names are the same no matter where you go
  and it includes the Genus and species names.

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E. How can you figure out an organism's type?

• By using a dichotomous key or field guide.
• To use the key you answer yes or no questions and
  it leads you to the correct species.