6. Researchers think that the Diplodocus, the longest land animal known, suffered from a painful disease that often affects humans as they grow older. What was it ?
 

7. Why was the Stegosaurus, or 'roofed lizard' so called ?
 

8. What was remarkable about the brain of the Stegosaurus ?

9. Was the Brachiosaurus the fastest or slowest of the dinosaurs ?

10. Why was the Iguanodon able to use its forefeet as weapons ?

11. What did the Spinosaurs have on its back, which may have played a part in heat regulation ?

12. Which was the largest carnivore ever known on earth ?

13. What does the name Triceratops mean ?

14. Which London park contains models of dinosaurs created by Benjamin Waterhouse Hawkins in the last century ?

15. Dinosaurs divide into two main classes: Saurischia and Ornithischia. The Saurischia were lizard-hipped, much like other reptiles. What were the Ornithischia ?

16. How did dinosaurs produce their young ?

17. In 1960 Irwin Allen directed The Lost World, in which a party of scientists encountered living dinosaurs. Which author wrote the book on which the film was based ?

18. The Chinese call fossilized dinosaur teeth 'dragon's teeth'. What are they used for ?

19. What ability did the duck-billed dinosaurs share with modern-day hamsters ?

20. The name Deinonychus reflects the ability of this fierce flesh-eater to overcome its prey with a large, sickle-like claw on its inner toe. What does the name mean ?

21. What are the scientists who study dinosaur fossils called ?

22. The first skeleton of the Archaeopteryx or 'ancient wing' was found in Germany in 1861. What is its claim to fame ?

23. In the film Jurassic Park , how were the dinosaurs supposed to have been created ?

24. Dinosaurs lived in the Mesozoic Era, which is divided into three periods. Two of them are the Jurassic and Cretaceous. What is the third ?

25. How long ago did dinosaurs die out ?