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Cenozoic Era - The Age of Mammals loading

Global environmental changes drove changes among hoofed animals and primates.

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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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    Ice Age Bay Area

    Ice Age Bay Area

    by CK-12 //basic
    Learn about the environment of the Bay Area during the Ice Age.
    This indicates how strong in your memory this concept is
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