What human-defined layer of taxonomy recognizes the Standard, Miniature, and Toy varieties of the Poodle?

Answer

The cultural taxonomy layer defined by kennel clubs.

While the Poodle maintains a consistent biological classification as *Canis lupus familiaris* across all sizes, a secondary, human-defined system exists specifically for organizational and competitive purposes. This cultural taxonomy layer is managed by kennel clubs, such as the AKC, which formally recognize the Standard, Miniature, and Toy varieties as distinct classes within the single breed structure. This structure is driven by aesthetic preference and utility rather than strict biological requirements like reproductive isolation.

What human-defined layer of taxonomy recognizes the Standard, Miniature, and Toy varieties of the Poodle?
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