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Classification of living things r1

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Transcript

  • 1. The Diversity of Life
    Classification of Living Things
  • 2. What is classification?
    Classification is the grouping of things according to characteristics
    The science of classifying organisms is known as taxonomy
  • 3. Early classification systems
    Aristotle grouped animals according to the way they moved
    John Ray was the first to use the term “species”
  • 4. Binomial Nomenclature
    Developed by Linnaeus
    Two-name system
    Each organism has a first name (genus); and a second name (species)
    scientific names are usually italicized with only the genus name CAPTITALIZED
    Two different organisms cannot have the same scientific name
  • 5. Some Examples
    Pantheraleo
    Pantherapardus
    Pantheratigris
    Pseudolithoxustigris
    Archaiustigris
    Cypraeatigris
  • 6. Levels of Taxonomy
  • 7. Kings Play Cards On Fat Green Stools
  • 8. Identifying and Classifying an organism
    General characteristics allow identification of kingdom, phylum, class and perhaps order but to get more specific, special tools are used called dichotomous keys
    A dichotomous key uses a series of yes/no questions to help you identify the species you are observing
  • 9. An example (part of a dichotomous key)
    Questions
  • 10. Practice – determine the identity of each of these fish using the key in your notes
  • 11. Practice – determine the identity of each of these fish using the key in your notes
    Spotted goat fish
    Glassy sweeper
    Peacock flounder
    Band tail puffer
    Squirrel fish
    Spotted eagle ray
    Trumpet fish
    Glass eye snapper
    Moray eel
  • 12. Activity – create your own dichotomous key to identify different kinds of pasta