<meta http-equiv="refresh" content="1; url=/nojavascript/"> Timeline of Evolution | CK-12 Foundation
Skip Navigation

Timeline of Evolution

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.
  • Link
    Timeline of Evolution

    Timeline of Evolution

    by CK-12 //basic

    A timeline of Earth's history, starting with the formation of Earth and ending in the present day.

Please wait...
Please wait...

Original text