Evolution and Geologicic time
Across
- 2. tectonics caused when continents collided or
- 4. clues to how organisms lived in different times
- 7. their environment to survive
- 9. plate tectonics caused collision and
- 10. major divisions of Earth's history
- 11. major division may be divided into these
- 12. Cenozoic Era is divided by these
- 14. major changes in Earth's environments, either
Down
- 1. out or:
- 3. what happened to species that couldn't adapt
- 5. of these
- 6. group of organisms that normally produce among
- 8. different surroundings for organisms
- 13. selection organisms' w/traits that are suited