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Chemical C ycles

Chemical C ycles. Mrs. Frizzle Video. The Water Cycle. How and in what form does carbon enter and leave the cycle? How do the roles of autotrophs and heterotrophs differ? What are the human impacts on the cycle?. Carbon Cycle Video. Carbon Cycle. Carbon Cycle. The Carbon Cycle.

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Chemical C ycles

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  1. Chemical Cycles

  2. Mrs. Frizzle Video

  3. The Water Cycle • How and in what form does carbon enter and leave the cycle? • How do the roles of autotrophs and heterotrophs differ? • What are the human impacts on the cycle?

  4. Carbon Cycle Video

  5. Carbon Cycle

  6. Carbon Cycle

  7. The Carbon Cycle • How and in what form does carbon enter and leave the cycle? • How do the roles of autotrophs and heterotrophs differ? • What are the human impacts on the cycle?

  8. Carbon cycle game

  9. Nitrogen Cycle Video

  10. Nitrogen Cycle

  11. Nitrogen fixation: Bacteria in root nodules of legumes An example of mutualism Fig 3-19

  12. The Nitrogen Cycle • How and in what form(s) does nitrogen enter and leave the cycle? • How do the roles of autotrophs and heterotrophs differ? • What are the human impacts on the cycle?

  13. Phosphorus Cycle

  14. A bloom of Cyanobacteria

  15. Microcystis Anabaena Cyanobacteria

  16. The End

  17. The four spheres of Earth’s environment. Biosphere interacting with abiotic factors Fig 3-1

  18. What limits production? Low N & P Low rain

  19. Law of the Minimum/Law of limiting factors - Liebig's Law Justus von Liebig "father of the fertilizer industry” law of the minimum If one crop nutrient is missing or deficient, plant growth will be poor, even if the other elements are abundant. like a barrel with unequal boards One nutrient becomes the limiting factor

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