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Amphibian Reproduction and Development loading

Amphibians usually reproduce sexually and often lay large numbers of eggs.

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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.
  • Video
    Tadpoles to Frogs

    Tadpoles to Frogs

    by Charles Yu //at grade
    Tadpoles to Frogs. An educational video that shows the life cycle of a tadpole (pollywog) to a frog. Hosted by two young boys, Ethan Spencer and Justin Spencer. Courtesy of KDSpencerVideo
    MEMORY METER
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  • Real World Application
    The Croak of a Different Frog

    The Croak of a Different Frog

    by Paul Bell //at grade
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  • Real World Application
    A Great Leap To Speciation?

    A Great Leap To Speciation?

    by Laurie Ruffenach //at grade
    Covers methods of evolution other than natural selection, effects of invasive species and ecosystems. Looks at changes in the cane toad population since their invasion of Australia.
    MEMORY METER
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