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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 |