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As we go higher from species to kingdom in the taxonomic hierarchy, what happens to the number of common characters?

Answer and explanation

Correct answer: Common characters decrease

Correct answer: B, common characters decrease. Species is a narrow taxonomic category, so its members are relatively similar and share many characteristics. When we move upward through genus, family, order, class, phylum or division, and finally kingdom, each category includes a wider variety of organisms. Because the group becomes broader, its members share fewer detailed features, although they retain some broad similarities. A is the opposite of the taxonomic trend. C is wrong because the number of shared characters changes as categories become broader. D is wrong because there is no normal rise-then-fall pattern in this hierarchy. Memory cue: lower category means fewer kinds of organisms but more common characters; higher category means more kinds but fewer common characters.

Related tags

Taxonomic HierarchyCommon CharactersClassificationTaxonomyBinomial NomenclatureTaxonomy Binomial NomenclatureThe Living WorldBiology

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