Air Composition and Energy Transfer in Ecosystems
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Questions and Answers

What is the approximate percentage of carbon dioxide in the Earth's atmosphere?

  • 21%
  • 1%
  • 0.04% (correct)
  • 78%

    • According to the second law of thermodynamics, what is the natural tendency of a closed system?

  • To progress from a more ordered state to a more disordered state (correct)
  • To maintain a constant level of order
  • To create energy from nothing
  • To become completely isolated from its surroundings

    • What is the most abundant gas in the Earth's atmosphere?

  • Carbon dioxide
  • Argon
  • Oxygen
  • Nitrogen (correct)

    • What is the primary purpose of the energy transfer in ecosystems?

    <p>To sustain the living organisms</p> Signup and view all the answers

    According to the first law of thermodynamics, what can happen to energy in a system?

    <p>Energy can only be transformed from one form to another</p> Signup and view all the answers

    What is the primary consequence of energy flow in a food chain?

    <p>Most of the energy is lost as heat in each transfer between trophic levels.</p> Signup and view all the answers

    Which ecosystem is typically the most productive in terms of energy flow?

    <p>Upwelling ecosystems with 3 trophic levels and a productivity of 500.</p> Signup and view all the answers

    What is the primary goal of the European Green Deal?

    <p>To set the European Union on a path to achieve climate neutrality by 2050.</p> Signup and view all the answers

    What is the primary objective of ecosystem-based management?

    <p>To integrate biological, social, and economic factors into a comprehensive strategy for protecting the sustainability, diversity, and productivity of natural resources.</p> Signup and view all the answers

    What is the primary driver of land use change in the land use-ecosystem services nexus?

    <p>Changes in landscape properties or social values that influence land-use decisions.</p> Signup and view all the answers

    Which of the following is a consequence of poor land management?

    <p>Drought, soil erosion, and desertification.</p> Signup and view all the answers

    What is the primary goal of the European Climate Pact?

    <p>To engage citizens and stakeholders in the European Union's climate action.</p> Signup and view all the answers

    What is the primary concept behind the "nexus thinking" approach?

    <p>Considering the interconnectedness between different systems, such as air, land, and sea.</p> Signup and view all the answers

    What is the primary goal of the European Green Deal's "Farm to Fork" strategy?

    <p>To create a fair, healthy, and environmentally friendly food system.</p> Signup and view all the answers

    What is the primary concept behind the "just transition" aspect of the European Green Deal?

    <p>To ensure that no one is left behind in the transition to a green economy.</p> Signup and view all the answers

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