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Science Unit 7
Rocks and Fossils
| Question | Answer |
|---|---|
| aquatic fossil | the remains or traces of an organism that lived in water long ago |
| extinct | describes a kind of thing that is no longer found on Earth |
| fossil | the remains or traces of an organism that lived long ago |
| relative age | the age of one thing compared to another |
| terrestrial fossil | the remains or traces of an organism that lived on land long ago |