Geologic+Time+Overview+Activity

1. List two facts about the geologic time scale. 2. List two facts about the early earth. 3. List two facts about the Cambrian Explosion. 4. List one fact about the Vertebrates. 5. List two facts about the Silurian Period. 6. List two facts about the Carboniferous Period. 7. List two facts about the Permian extinction. 8. List two facts about the Triassic Period. 9. List two facts about the Jurassic Period. 10. List two facts about the Cretaceous Period. 11. List two facts about the dinosaur extinction. 12. List three facts about the Cenozoic Era. 13. How do you know the Cenozoic Era didn't end with a mass extinction?