OpenSAT

Question #N744

The passage describes the discovery of a new dinosaur species, *Dreadnoughtus schrani*, and its significance to paleontology. The author writes, "Dreadnoughtus schrani is the most complete giant dinosaur ever found, a remarkable discovery that sheds light on the evolution of these enormous creatures." The author continues, "The discovery of *Dreadnoughtus schrani* is important because it provides evidence that giant dinosaurs could grow to sizes previously thought impossible."

According to the passage, what is the most significant contribution of the discovery of *Dreadnoughtus schrani* to paleontology?

A. It allows scientists to understand the evolution of giant dinosaurs in more detail.

B. It proves that giant dinosaurs could reach sizes previously thought impossible.

C. It provides evidence that giant dinosaurs were more common than previously thought.

D. It suggests that giant dinosaurs were more agile than previously thought.

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Correct Answer is: B

The passage specifically states that the discovery of *Dreadnoughtus schrani* provides evidence that giant dinosaurs could grow to sizes previously thought impossible. This is the most significant contribution of the discovery because it challenges a long-held belief about the limitations of dinosaur size.