The Nitrogen Cycle
3 years ago
koppscience
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10 QuestionsShow answers
  • Question 1
    30 seconds
    Q. How animals get the nitrogen they need
    answer choices
    from the air they breathe
    from the water they drink
    from the food they eat
    from the Sun
  • Question 2
    30 seconds
    Q. Organisms that need nitrogen to survive
    answer choices
    only plants
    only animals
    only bacteria
    all living organisms
  • Question 3
    30 seconds
    Q. Organisms that play a role in the nitrogen cycle
    answer choices
    only plants
    only animals
    only bacteria
    plants, animals, & bacteria
  • Question 4
    30 seconds
    Q. Bacteria fix nitrogen on plant roots. Plant roots provide sugar to bacteria. This is an example of
    answer choices
    mutualism
    parasitism
    commensalism
    competition
  • Question 5
    30 seconds
    Q. All plants have nitrogen fixing nodules on their roots.
    answer choices
    True
    False
  • Question 6
    30 seconds
    Q. Nitrogen rich fertilizers and manure can cause water pollution.
    answer choices
    True
    False
  • Question 7
    30 seconds
    Q. How nitrogen is "fixed" into useable form for plants
    answer choices
    only through action of bacteria
    only through lightning
    through action of bacteria & lightning
    through photosynthesis
  • Question 8
    30 seconds
    Q. Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere
    answer choices
    bacteria
    plants
    animals
    producers
  • Question 9
    30 seconds
    Q. How plants get the nitrogen they need
    answer choices
    from the air
    from the soil or water in which they live
    from the Sun
    from broken down rocks
  • Question 10
    30 seconds
    Q. Gas that makes up almost 80% of Earth's atmosphere
    answer choices
    oxygen
    carbon dioxide
    nitrogen
    hydrogen
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