Across
- 2. ___ Explosion is when many forms of life first originated
- 6. Stereotype of pyramids
- 10. One of the many fish species that both fossils and live fish today
- 11. Existed before dinosaurs
- 12. ___.6 Billion years ago was when the earth formed
Down
- 1. Name of the protoplanet that theoretically formed the moon
- 3. First real town
- 4. The reason ancient egypt died out
- 5. Location of last wooly mammoth death
- 7. When trilobites existed
- 8. Also existed before dinosaurs
- 9. The era of dinosaurs