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Earth History and Clues from Fossils loading

Fossils to reveal details about Earth history, such as the climate and environment in the region the fossil was deposited.

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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    Earth History and Clues from Fossils

    Earth History and Clues from Fossils

    by CK-12 //basic
    How scientists can learn information about the past from fossils.
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  • Video
    Clues to the End-Permian Extinction

    Clues to the End-Permian Extinction

    by CK-12 //basic
    Watch archaeologists attempt to recreate the Permian food web and other traits of the era to learn more about the Permian extinction.
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  • Real World Application
    This Smilodon is Not Smiling

    This Smilodon is Not Smiling

    by CK-12 //basic
    The La Brea Tar Pits are a fabulous Pleistocene fossil site.
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  • Real World Application
    The Petrified Forest

    The Petrified Forest

    by CK-12 //basic
    The Petrified Forest, Arizona contains fossils of nine extinct tree species and fossils created by other processes.
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  • Real World Application
    John Day Fossil Beds

    John Day Fossil Beds

    by CK-12 //basic
    The John Day Fossil Beds in eastern Oregon have a weath of fossils that span a long period of time. The relative ages are well constrained becauase a volcanic ash has been radiometrically dated.
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