Fossils
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Last updated 12:53 PM on 3/24/26
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6 Terms
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Fossil
the preserved remains or evidence of ancient living things
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Index Fossils
fossils that represent a species that existed on earth for a short length of time
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Relative Age
the age of rocks compared with rocks nearby.
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Superposition
the idea that in rock layers, the oldest rocks are at the bottom and the youngest are on the top.
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Trace Fossil
A fossil that shows an animals activity (like a footprint)
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Preserved Fossil
A fossil of an animal frozen in ice or amber
