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Scientists look at fossils found in layers of earth. From this, they can create a timeline of the environment and lifeforms from a particular place.
Scientists look at fossils found in layers of earth. From this, they can create a timeline of the environment and lifeforms from a particular place.
This fossil record contains trilobites, marine animals which were common from the Cambrian era to Permian era.
Image was purchased from Deposit Photos.
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