Linnaeus's Classes and Taxonomy
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Questions and Answers

Who first introduced the class as a distinct rank of biological classification?

  • Charles Darwin
  • Joseph Pitton de Tournefort (correct)
  • Carl Linnaeus
  • Gregor Mendel
  • Which taxonomic rank is class placed between?

  • Phylum and order (correct)
  • Genus and species
  • Family and genus
  • Order and family
  • What is the historical conception of a class in biological classification?

  • Arranging based on metabolic processes
  • Grouping based on geographical distribution
  • Embracing taxa combining a distinct grade of organization and a distinct type of construction (correct)
  • Categorizing based on reproductive strategies
  • In which publication did Carl Linnaeus first divide all three of his kingdoms of Nature into classes?

    <p>Systema Naturae (1735)</p> Signup and view all the answers

    How is the composition of each class ultimately determined?

    <p>By the subjective judgment of taxonomists</p> Signup and view all the answers

    What is the rank immediately above class in biological classification?

    <p>Phylum</p> Signup and view all the answers

    What were Linnaeus's classes and orders of plants intended to represent?

    <p>Artificial keys based on flower arrangement</p> Signup and view all the answers

    What is the main reason why classes are now rarely discussed in botany?

    <p>They have been replaced by informal clades</p> Signup and view all the answers

    What was considered the highest level of the taxonomic hierarchy until George Cuvier's embranchements were introduced?

    <p>Classes</p> Signup and view all the answers

    What is the significance of George Cuvier's embranchements in the taxonomic hierarchy?

    <p>Introduced a higher level than classes</p> Signup and view all the answers

    What has been the approach to formal ranks in modern taxonomy?

    <p>Reduced formal ranks to a lower level</p> Signup and view all the answers

    What has been the preferred treatment of ranks higher than orders in modern taxonomy?

    <p>Treated as informal clades</p> Signup and view all the answers

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