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anything living can be come a fossil

To become a fossil...

an animal or plant must die in water or near enough to fall in shortly after death. The water insulates the remains from many of the elements that contribute to decomposition.

As time passes, sediments bury the exoskeleton. The faster this happens the more likely fossilization will occur.

As the sediments continue to pile on, the lower layers become compacted by the weight of the layers on top. Over time, this pressure turns the sediments into rock.

As the continental plates move around the earth, crashing into each other, mountains are formed. Former sea floors are lifted up and become dry land. This is exactly what has happened to our trilobite. Now a fully formed fossil, our trilobite is buried under hundreds or even thousands of feet of rock!

Rain, wind, earthquakes, freeze and thaw all work toward erosion. The mountains that were built up are worn away over time.

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14y ago

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