Across
- 5. when distant species become more similar
- 8. when two species become increasingly different
- 11. studies a species DNA
- 12. a characteristic from DNA that increases an organisms chances of surivial
- 13. when two species evolve together
Down
- 1. when the environment decides what lives there
- 2. a scientist who studies birds
- 3. a diagram that shows how close organisms are evolutionarily
- 4. a scientist who studies fossils
- 6. when every member of a species is gone forever
- 7. the ship Darwin to the Galapagos
- 9. a change in DNA
- 10. islands where Darwin did his evolution studies