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Growth of Human Populations loading

Human population is growing at a more than exponential rate, which is the result of advances in agriculture, industry, and medicine.

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
    Aquaponics at Austin Elementary

    Aquaponics at Austin Elementary

    by Austin ES STEM //basic

    Aquaponics is a more sustainable way of growing food. Fish produce waste that fertilizes plants, which clean the water. All this happens indoors so the system uses little water and no harmful chemicals.

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