Across
- 5. what group of dinosaurs includes birds
- 6. what grows larger as the result of a beak
- 8. what is a benefit of hatching faster
- 9. what was used for genetic experimentation
- 10. what word describes a beak
Down
- 1. what is a change in the code of an organism called
- 2. what is the relationship between the code for teeth and beaks
- 3. what area of science helped identify the cause of changes in an organism
- 4. what fused to form a beak
- 7. what replaced teeth in birds
