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Classifying Organisms

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  1. Classifying Organisms 6th grade blue book chapter 10 section2

  2. Why do scientists classify • Scientists have identified one million organisms on earth • Similar organisms are put into groups • Biologists group organisms based on similarities, this is called classification. • This study is called taxonomy

  3. Linnaeus • Gave organisms a two part name called binomial nomenclature, meaning two names. • First word give the genus giving the family, based on how closely related. • Second word describes a distinctive feature and it is the species.

  4. Scientific name • Only the first letter of the first name is capitalized. • Complete name is written in Italics • This makes it easy for scientists to communicate.

  5. classification • Domain • Kingdom • Phylum • Class • Order • Family • Genus • Species

  6. Taxonomic Keys • Used to identify organisms • Series of questions

  7. Evolution and classification • Darwin hypothesized that organisms go through evolution. • Species that are thought to have evolved from one another are closer related.

  8. New information • Scientists will find information that can change how organisms are classified.

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