Across
- 3. boat Darwin sailed on
- 7. well-tested explanation for experimental results
- 8. big turtles Darwin studied
- 10. how something evolves
Down
- 1. a organism that have same traits and can reproduce
- 2. a scientific guess
- 4. getting used to what you are doing or your environment
- 5. birds Darwin studied the most
- 6. father of modern evolution
- 9. artifact of something that lived long ago