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8 Cards in this Set
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- Back
- 3rd side (hint)
Carbonized Fossil |
Forms when organisms or parts are pressed between layers of soft mud or clay that hardens squeezing almost all the decaying organism away leaving the carbon imprint in the rock |
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Cast Fossil |
Formed when a mold is filled with sand or mud that hardens into the shape of the organism |
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Fossil |
The preserved remains or traces of an organism that lived in the past |
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Fossil Record |
Gives important information about past life and environments on earth extinction of life forms as well as how and when new life forms appeared is part of this |
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Mold Fossil |
Forms when sediments bury an organism change into rock organism decays leaving a cavity in the shape of the organism |
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Petrified Fossil (Permineralized Fossil) |
Forms when minerals soak into buried remains replacing the remains and changing them into rock |
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Preserved Fossil |
Forms when entire organism or parts of organisms are prevented from decaying by being trapped in rock ice tar or amber |
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Trace Fossil |
Forms when the mud or sand hardens into stone where a footprint trail or burrow of an organism was left behind |
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