1. What are the advantages of studying dinosaurs? What are the challenges facing paleontologists? Is it worth it to study dinosaurs? Why or why not?
2. What personality traits does Nizar have that helped him to find Spinosaurus? Do you
have any of these traits? How do you use them?
3. Nizar uses new technology, combined with fossils and old documents, to understand
Spinosaurus. Name another way that new technology can be used to help people
understand something old?

Buck did not cry out. he did not check himself, but drove in upon spitz, shoulder to shoulder, so hard that he missed the throat. they rolled over and over in the powdery snow. spitz gained his feet almost as though he had not been overthrown, slashing buck down the shoulder and leaping clear. twice his teeth clipped together, like the steel jaws of a trap, as he backed away for better footing, with lean and lifting lips that writhed and snarled. read this passage. explain what the conflict shows about buck and spitz.