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On what basis did Linnaeus primarily classify organisms?

Answer and explanation

Correct answer: External morphological characters

Correct answer: A, external morphological characters. Linnaeus worked before modern genetics and molecular biology developed, so he mainly used observable external structures to classify organisms. In plants, features such as the number and arrangement of stamens were important in his artificial classification system. Option A is correct because it refers to visible form and structure. Option B is incorrect because DNA-based classification became possible much later. Option C was not Linnaeus's primary basis and is not a general basis of his system. Option D can help in some modern classifications, but it was not the main criterion of Linnaeus's plant classification. A useful warning is that Linnaeus is associated with binomial nomenclature and an artificial, morphology-based system, not molecular classification.

Related tags

LinnaeusTaxonomyMorphologyClassification HistoryBinomial NomenclatureTaxonomy Binomial NomenclatureThe Living WorldBiology

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