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The History of Life
Index Fossil
Index fossil definition: A fossil from an organism that existed for a short time, it is used to determine the age of other fossils.
Related Terms
Anthropoid
Bipedal
Cambrian Explosion
Endosymbiotic Theory
Epoch
Era
Geologic Time Scale
Half-life
Mass Extinction
Paleontologist
Period
Plate Tectonics
Primate
Radiometric Dating
Relative Dating
Spontaneous Generation
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