Across
- 2. Are instruments or a device that detects and records seismic or earthquake waves onto paper.
- 6. Law that says that older rocks are on the bottom and younger rocks are on top.
- 7. Upper part of the mantle that is plastic-like.
- 12. A body part, feature, or behavior that helps a living thing survive and function in its environment.
- 13. Rock created by lava or magma through melting and cooling and hardening.
- 15. Extinction that was caused by an asteroid impact.
- 16. Boundary where tectonic plates go away from eachother.
- 17. Where convection currents occur.
Down
- 1. A divergent boundary in the ocean creating new ocean floor.
- 3. Solid, lower part of the mantle.
- 4. Preserved remains of traces of plants, animals, and other organisms from the remote past.
- 5. Structures are similar between organisms because they were inherited from a common ancestor.
- 8. Rock that consist of sediments formed by the processes weathering/erosion and compaction/cementation.
- 9. A graph that shows common ancestry between organisms.
- 10. Rock formed by heat and pressure applied to pre-existing rocks.
- 11. Where organisms better adapted survive and reproduce more.
- 14. Extinction caused by flood basalt eruptions in Russia.