Read the draft of a paragraph from a student report on the difference between coyotes and foxes.
1While some may confuse coyotes and foxes, they are from a different genus. 2Foxes belong to Vulpes which have fewer species. 3Foxes have various coloration patterns, body shapes, and sizes. 4Dogs and wolves are also similar yet different. 5Unlike foxes, coyotes are generally uniform in appearance. 6Coyotes are much larger and more muscular than foxes.
Which sentence should be removed because it is NOT appropriate for the purpose of this paragraph?