Kids Research Express has a pretty good summary of the issue of species and speciation, which it wouldn't hurt most people to read. Sure, they repeat the mistake about Plato and typology, but that's OK. It's for kids and nonspecialists. We can fix up their errors later when they get the basics.
John, are saying that we can teach our children scientific mistakes? Are you making an argument for Framing Science?:)
Who is the target audience? The piece struck me as being written in a fairly dense style, using more vocabulary than necessary, and not reading well. Nothing wrong with making new paragraphs for new subjects.