The taxonomic hierarchy is a sequence of categories in a decreasing or increasing order of complexity and inclusiveness. The standard order from the lowest (most specific) to the highest (most inclusive) is: Species, Genus, Family, Order, Class, Phylum, Kingdom.
The given categories are: (a) Genus, (b) Class, (c) Order, (d) Phylum, (e) Family, (f) Kingdom, (g) Species.
Following the hierarchy from smallest to largest:
1. Species (g)
2. Genus (a)
3. Family (e)
4. Order (c)
5. Class (b)
6. Phylum (d)
7. Kingdom (f)
The sequence (g), (a), (e), (c), (b), (d), (f) matches option (B).
Final Answer: (B)
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