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1B: Nutrient Cycles Review

  •  English    20     Public
    Carbon, Nitrogen, Phosphorus, and Water Cycles
  •   Study   Slideshow
  • The nitrogenous breakdown products of amino acids are converted into ammonia
    Ammonification
  •  25
  • bacteria convert ammonia and nitrate into nitrogen and nitrous oxide N2 & N2O Nitrogen is returned to the atmosphere to start the cycle over again.
    Denitrification
  •  25
  • the conversion of the ammonia to nitrates
    Nitrification
  •  25
  • Nitrogen can be changed to nitrates
    Nitrogen fixation
  •  25
  • Plants are assembled by the uptake of nitrates
    Assimilation
  •  25
  • Carbon dioxide is taken up by plants and converted to glucose
    Photosynthesis
  •  20
  • Animals eat plants for food, taking up the organic carbon (carbohydrates). Plants and animals break down these organic molecules and release energy, water and carbon dioxide.
    Cellular Respiration
  •  20
  • Burning of wood and fossil fuels by factory and auto emissions transfers carbon to the atmosphere as carbon dioxide.
    Combustion
  •  20
  • What process of the water cycle is completed when water molecules change from a liquid to a gas?
    Evaporation
  •  15
  • What process of the water cycle occurs when clouds form?
    Condensation
  •  15
  • What process of the water cycle occurs when water molecules leave the leaves of plants?
    Transpiration
  •  15
  • What process of the water cycle occurs when water molecules fall from the clouds?
    Precipitation
  •  15
  • This step of the water cycle is completed when water molecules soak into the ground.
    Infiltration
  •  15
  • Step of the water cycle where water remains on the surface of the earth and moves with the terrain.
    Runoff
  •  15
  • There is no _____________ state of phosphorus.
    gaseous
  •  20
  • Phosphorus is commonly the limiting factor for plant growth because it forms ____________ compounds most of the time.
    insoluble
  •  20