Concept and use of a classification system.

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  • Use of a classification system.
    • Organisms can be classified into the group they share.
    • Species.
      • Species are a group of organisms that can reproduce to produce fertile offspring.
    • Binomial system.
      • The binomial system is an international agreed system in which the scientific name of an organism is made up of two parts showing the genus and species.
    • The aim of classification systems.
      • The aim of classification system is to reflect evolutionary relationships.
    • Classification is traditionally based on studies of morphology and anatomy.
    • Accurate means of classification.
      • The sequences of bases in DNA and amino acids in proteins.
    • Organisms which share a more recent ancestor are more closely related because they have base sequences in DNA that are more similar than those that share only a distant ancestor.

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