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Classification

Learn how Carolus Linnaeus organized all living creatures into kingdoms, phyla, classes, orders, families, genera, and species with scientific names. Understand the importance of binomial nomenclature. Discover why common names can be misleading and confusing.

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Classification

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  1. Classification

  2. Classification • System to organize all living creatures • plants • animals • microbes • etc.

  3. Carolus Linnaeus • The Linnean system • proposed in 1700s • each species has a 2 part name • genus • species Homo sapiens

  4. Latin binomial • 2 part scientific name • Genus — larger group to which organism belongs • always capitalized • species — specific name for that organism • always lowercase • example: Linnaeus named humans Homo sapiens • means “wise man”— perhaps in a show of hope & optimism

  5. Genus groupings • Classify organisms into broader groups • Species that are closely related are grouped into the same genus • Leopard Pantherapardus • African lion Pantheraleo • Tiger Pantheratigris

  6. Classification • Kingdom • Phylum • Class • Order • Family • Genus • species

  7. Orders & families

  8. Why not use common names? • Misleading • starfish • dragonfly • Confusing • blue jay, blue coat, corn thief • dog, perro, chien I swim,but I’m stilla bird!

  9. Why not use common names? • But they all have only one scientific name! Pisaster ochraceus Pyrrhosoma nymphula Cyanocitta cristata

  10. AnyQuestions?

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