Across
- 4. broken down pieces of rock that are moved from one place and settled in another
- 6. genetic information inside the cells that tell us what makes up a body
- 8. shows how organisms are related
- 12. layers of rock
- 13. structures in the body that related species got from a common ancestor
- 14. the shapes and arrangement of the bones in an organized pattern
- 15. study of strata to determine the history of something
Down
- 1. a species that passed down DNA and traits to many different species
- 2. fossils that help determine the age of rocks
- 3. rocks made of loose, eroded particles than harden over time
- 5. imprints of what an organism looks like, that is fossilized in rock
- 7. says that a layer of rock is younger than the layer under it
- 9. the purpose of something and how something works
- 10. fossils that show the link between past and present organisms, they have traits from both species
- 11. naturally preserved remains or impressions of organisms