Classification of living things r1

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Classification of living things r1

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

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