Statement is Incorrect: In taxonomic hierarchy, as we go from species to kingdom, the number of similar characters decreases. Therefore, an Order (a higher rank) actually contains fewer similar characters compared to a Family or Genus (lower ranks).

Statement is Incorrect: Three pairs (six total) of jointed legs is a defining characteristic of the class Insecta (Phylum Arthropoda), not Chordates. Chordates are defined by features like a notochord, dorsal hollow nerve cord, and pharyngeal gill slits.

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