Ecosystems and Global Cycles: Phosphorus, Nitrogen, and Carbon
9 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary difference between the global cycles of phosphorus and those of nitrogen and carbon?

  • Phosphorus has a greater atmospheric component
  • Phosphorus has a shorter biogeochemical cycle
  • Phosphorus is more readily stored in sedimentary rocks (correct)
  • Phosphorus is more susceptible to human impacts

    • What is the primary mechanism of nitrogen export from ecosystems?

  • Nitrogen fixation
  • Mineralization
  • Denitrification (correct)
  • Decomposition

    • What is the term for the process by which organic nutrients are broken down into inorganic forms?

  • Decomposition
  • Nutrient export
  • Mineralization (correct)
  • Nutrient fixation

    • What is the primary factor that affects the rates of decomposition in ecosystems?

    <p>All of the above</p> Signup and view all the answers

    What is the term for the process by which nitrogen is converted into a usable form for organisms?

    <p>Nitrogen fixation</p> Signup and view all the answers

    What is the role of the oceans in the global carbon cycle?

    <p>Carbon sink</p> Signup and view all the answers

    What is the difference between decomposition and mineralization?

    <p>Decomposition is the breakdown of organic matter, while mineralization is the conversion of organic matter into inorganic forms</p> Signup and view all the answers

    What is the term for the process by which nutrients are released from organic matter and made available to organisms?

    <p>Mineralization</p> Signup and view all the answers

    What are the terms for the nutrient forms of carbon, nitrogen, and phosphorus that are bound to organic matter?

    <p>Organic nutrients</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser