Across
- 3. he abserved many animals
- 6. when animals are chosen to breed for disired traits
- 10. he spent this many years talking to scientist trying to figure out stuff
- 11. the change in an organism over time
- 12. the preserved remains of an animal
Down
- 1. they had a rounded beak as an adaptation
- 2. he went here to observe animals
- 4. when animals are better adapted to there environment
- 5. a well tested theory that explains a wide section of things
- 7. this animal had longer nails for an adaptation
- 8. when did the beagle set sail
- 9. a change is a species