Across
- 2. loss scaly skin prevents
- 4. dry, scaly skin . . . occasionally
- 8. and birds dinosaurs are the ancestors of
- 10. reptiles are believed to have evolved from
- 13. it rely on behavior to help control body temp
- 14. land reptiles live
- 15. dinosaurs disappeared at the end of the . . . . .period
- 16. lungs most reptiles breath using
- 17. Reptiles have
Down
- 1. what is the animal on the first page
- 3. with the arrival of the dinosaurs came a great . . .of reptiles took place
- 5. Jurassic dinosaurs came during the . . . and . . .periods
- 6. What group became dominate about 215 mill years ago
- 7. scaly skin does not
- 9. how many dinosaurs are on page 7
- 11. A reptile is part of the class
- 12. scales can be rough or