Geologic Time
Across
- 2. The study of strata to determine the age and history of the land
- 4. Genetic information inside the cells that have instructions for how to make the body
- 9. Similar structures in the body that relates species have inherited from a common ancestor
- 10. The purpose of something or the particular kind of work that it does
- 11. The shapes and arrangement of bones into a pattern of organization
- 14. Broken down pieces of rock that are moved from one place and deposited in another
- 15. Rocks made of loose eroded particles that harden over time
Down
- 1. A law that states a layer of rock is younger than the layer below it and older than the layer above it
- 3. how a species develops early on in its life
- 5. A fossil that was widespread and existed over a short period of time
- 6. An ancestor that multiple species share
- 7. the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans.
- 8. A diagram that shows how scientists think different organisms are related
- 12. the naturally preserved remains or impressions of organisms that lived on the land long ago
- 13. Layers of rock