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12 Cards in this Set
- Front
- Back
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carbon film |
parts of plant or animal turn to carbon and form a dark image |
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cast |
a filled-in copy of the shape of an organism |
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dinosaurs |
an extinct group of land-dwelling, cold-blooded reptiles |
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evolve |
to develop gradually |
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excavation |
removing a fossil from the rock around it |
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extinction |
when the last of a certain plant or animal dies |
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fossil |
any part or trace of a living organism naturally preserved after it dies |
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mold |
a decomposed organism that leaves an imprint of itself in rock |
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paleontology |
the scientific study of fossils |
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petrified fossils |
preserved parts of an animal or plant that are slowly replaced by minerals |
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trace fossils |
fossils formed from something an organism leaves behind |
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permafrost |
permanently frozen soil |
