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Classifying Organisms

Dive into the world of organism classification in this insightful chapter. Learn how scientists group similar organisms based on similarities using taxonomy, Linnaeus' binomial nomenclature, and taxonomic keys. Explore the evolution of species and how new information impacts classification.

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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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