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Nutrient Cycles

There is limited availability of usable ions in the environment. Therefore, important elements such as carbon, oxygen and phosphorus need to be recycled. This happens in a nutrient cycle.

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What is the main difference between nitrogen fixation and nitrification in the nitrogen cycle?

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Can you name two ways in which water is introduced into water bodies in the hydrological cycle?

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Saprobiontic microorganisms will take in inorganic ions and produce organic matter. True or false?


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Only a few organisms can access nitrogen in its gaseous form. True or false?

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Fill in the blanks about the phosphorus cycle. The main source of phosphorus is _________, the process in which breaking down of rocks occurs. Phosphorus is __________ by organisms including plants and animals. Phosphorus is released back into the atmosphere by ____________. The cycle can then be repeated.

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During which cycle does evaporation occur?


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What is combustion in the carbon cycle?


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What is the main form of phosphorus in sedimentary rock deposits?

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What is nitrogen used for when taken up by the primary producer?


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What are the two main groups of microorganisms (highest classification)?

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What would happen to plants if they did not form mycorrhizae associations with fungi?


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  • Mo

What is the main difference between nitrogen fixation and nitrification in the nitrogen cycle?

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  • Immunology
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  • Mo

Can you name two ways in which water is introduced into water bodies in the hydrological cycle?

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  • Immunology
  • Cell Biology
  • Mo

Saprobiontic microorganisms will take in inorganic ions and produce organic matter. True or false?


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  • Immunology
  • Cell Biology
  • Mo

Only a few organisms can access nitrogen in its gaseous form. True or false?

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  • Immunology
  • Cell Biology
  • Mo

Fill in the blanks about the phosphorus cycle. The main source of phosphorus is _________, the process in which breaking down of rocks occurs. Phosphorus is __________ by organisms including plants and animals. Phosphorus is released back into the atmosphere by ____________. The cycle can then be repeated.

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  • Immunology
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  • Mo

During which cycle does evaporation occur?


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  • Immunology
  • Cell Biology
  • Mo

What is combustion in the carbon cycle?


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  • Immunology
  • Cell Biology
  • Mo

What is the main form of phosphorus in sedimentary rock deposits?

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  • Immunology
  • Cell Biology
  • Mo

What is nitrogen used for when taken up by the primary producer?


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  • Mo

What are the two main groups of microorganisms (highest classification)?

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What would happen to plants if they did not form mycorrhizae associations with fungi?


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    Flashcards in Nutrient Cycles 61

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    What is the main difference between nitrogen fixation and nitrification in the nitrogen cycle?

    Nitrogen fixation is the process of converting atmospheric nitrogen into ammonium ions. Nitrification is the process of converting ammonium ions into nitrite or nitrate ions.

    Can you name two ways in which water is introduced into water bodies in the hydrological cycle?

    Precipitation and ice-melt.

    Saprobiontic microorganisms will take in inorganic ions and produce organic matter. True or false?


    False.

    Only a few organisms can access nitrogen in its gaseous form. True or false?

    True.

    Fill in the blanks about the phosphorus cycle. The main source of phosphorus is _________, the process in which breaking down of rocks occurs. Phosphorus is __________ by organisms including plants and animals. Phosphorus is released back into the atmosphere by ____________. The cycle can then be repeated.

    The main source of phosphorus is weathering, the process in which breaking down of rocks occurs. Phosphorus is absorbed by organisms including plants and animals. Phosphorus is released back into the atmosphere by decomposition. The cycle can then be repeated.

    During which cycle does evaporation occur?


    Water cycle.
    Nutrient Cycles Nutrient Cycles
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    Frequently Asked Questions about Nutrient Cycles

    What is meant by a nutrient cycle?

    A nutrient cycle can be defined as the movement and exchange of organic and inorganic material back into the production of living matter.

    How does the nutrient cycle work?

    Energy and matter are transferred between living organisms and a non-living environment. There is a movement and exchange of organic and inorganic material back into the production of living matter.

    How does deforestation affect the nutrient cycle?

    Removing trees from a forest subtracts stored nutrients vital for plant growth. In addition, fewer trees mean less carbon dioxide is removed from the atmosphere. This contributes to global warming as carbon dioxide is the main greenhouse gas.

    What is nutrient cycling and why is it important?

    Nutrients are recycled within the system. There is limited availability of usable ions in the environment. Therefore, elements such as carbon, oxygen, and phosphorus need to be recycled.

    What are the main nutrient cycles in an ecosystem?

    The main nutrient cycles include the water cycle, oxygen cycle, carbon cycle, nitrogen cycle, and phosphorus cycle.

    Test your knowledge with multiple choice flashcards

    What are some advantages of using natural fertilisers?

    What is the role of fertilisers in plant fertilisation?

    What are some benefits of using artificial fertilisers?

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