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Types of Fossils
1. Mold - a depressed image 2. Cast - a filled in mold 3. Trace - a sign left that there was activity 4. True Form - whole plant or animal 5. Mineral Replacement - bones have been replaced by minerals. |
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Types of Fossils
1. Mold - a depressed image 2. Cast - a filled in mold 3. Trace - a sign left that there was activity 4. True Form - whole plant or animal 5. Mineral Replacement - bones have been replaced by minerals. |