Across
- 4. landmasses joined together as a single supercontinent
- 5. a high flat land also called a mesa in spanish
- 6. organisms that feed on dead plant and animal materials
- 7. amount or level of saltiness
- 9. first bird and link between birds and dinosaurs
- 14. of the sea
- 16. colder, rainy, higher
- 19. bones and teeth of preserved animals
- 20. the theory that the continents drift through earth's oceans
- 21. someone who studies the weather
- 22. soil and other matter that has settled at the bottom of a liquid
- 23. from the ocean
- 25. oldest layer in the grand canyon
- 26. location where archaeopteryx fossils were found
Down
- 1. 277 miles long
- 2. 150 million years ago
- 3. layers
- 8. rust
- 10. german meteorologist developed hypothesis of continental drift
- 11. pieces of land connect two larger landmasses
- 12. warmer, dryer, lower
- 13. living things, like people, plants or animals.
- 15. shallow bodies of water
- 17. the widely accepted theory that Earth's crust is divided into sections called plates
- 18. more than 750 different species of plants and animals have been identified here
- 24. movement of rock and soil by natural means such as wind and rain