<meta http-equiv="refresh" content="1; url=/nojavascript/">
Dismiss
Skip Navigation

Reptiles loading

Reptiles are land-dwelling tetrapods that have scales and lay amniotic eggs.
loading
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.
  • Real World Application
    I Gecko

    I Gecko

    by CK-12 //advanced

    Learn about geckos from toe to tail and how scientists and engineers practice biomimetics to innovate.

Please wait...
Please wait...

Original text