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11 Cards in this Set
- Front
- Back
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Fossil |
persevered remains or traces of living things. |
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sedimentary rock |
the type of rock that is made of hardened sediment. |
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Mold |
a hollow area in sediment in the shape of an organism or part of an organism |
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Cast |
a solid copy of the shape of and organism |
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Petrified fossil |
fossils in which minerals replaced or part of an organism. |
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Carbon film |
an extremely thin coating of carbon on rock. |
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Trace fossils |
provide evidence of the activities of ancient organisms. |
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Paleontologists |
collect fossils from sediment tray rocks all over the world. |
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Scientific theory |
a well tested concept that of evaluation.
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Evolution |
the gradual change in living things over long periods of times. |
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Extinct |
if it no longer exists and will never again live on earth. |
