Editor
Which one of the following sequences shows the correct hierarchy of classification, going from the smaller to the bigger group?
Difficulty: Hard
A: 

Kingdom, Phylum, Order, Class, Family, Genus, Species

B: 

Kingdom, Phylum, Class, Order, Family, Genus, Species 

C: 

Genus, Species, Kingdom, Phylum, Order, Class, Family 

D: 

Species, Genus, Family, Class, Order, Phylum, Kingdom 

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