Article updated: 5/1/2012 2:58 PM

Scientists still uncovering the mysteries of the dinosaurs

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Triceratops, a plant-eating dinosaur that ranged in size from 30 inches to 30 feet, is on display at the Field Museum's "Evolving Planet" exhibit. Most Triceratops fossils were discovered in the Western United States and Canada, A real fossil of a Triceratops skull can be found next to the full body replica.

Courtesy of Greg Neise/The Field Museum

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Katherine Crawford's fifth-graders at West Oak Middle School in Mundelein asked, "What kind of habitats did dinosaurs live in?" Our Hope Babowice finds out for them.