Term
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Definition
| a scientist who studies fossils to see what life was like millions of years ago |
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Term
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Definition
| the same type of fossil found in the same rock layers all over the world |
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Term
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Definition
| organisms that lived for a short period of time 400 million years ago and have left index fossils that are valuable for geologists to use to date rock layers. |
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Term
| plant and animal fossils- |
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Definition
| plants and animals that were buried quickly by volcanic ash, sand, or sediments on the bottoms of oceans, lakes, rivers and their shape has been preserved, not the actual plant or animal |
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Term
| dating rocks with fossils |
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Definition
| scientists can use index fossils to determine the ages of rocks |
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