Across
- 3. Preserved remains or traces of animals, plants and other organisms.
- 5. by using relative and absolute dating scientists are able to put together the Earth's geologic history.
- 8. the process by which all substances of plants and animals decay.
- 9. An animal's footprint, feces, trail, or burrow becomes fossilized.
- 10. resin excreted from certain plants which protect them for insects and seals injuries.
- 11. An animal can get trapped and preserved in it.
Down
- 1. Indicate to geologists the boundaries in geological time.
- 2. People that study fossils.
- 4. small pieces of rock.
- 6. a living thing pressed into a rock, decomposes,then leaves an impression.
- 7. History of life documented by fossils and tells us when organisms lived
- 8. The fossil formed from the mold.