The Great Oxidation Event and Marine Ecosystems Quiz
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Questions and Answers

What is the primary method for measuring primary productivity?

  • Using the Redfield ratio to measure different elements
  • Using radio-labeled carbon to track carbon dioxide conversion to organic carbon
  • Tracking the amount of oxygen produced (correct)
  • Measuring the biomass of phytoplankton

    • Which group of organisms is responsible for the accumulation of oxygen in the atmosphere during the Great Oxidation Event?

  • Dinoflagellates
  • Archaea
  • Zooplankton
  • Cyanobacteria (correct)

    • What are the common members of phytoplankton?

  • Diatoms
  • Coccolithophorids
  • Green algae
  • All of the above (correct)

    • How can harmful algal blooms be characterized?

    <p>Toxin production, high biomass, and nuisance blooms</p> Signup and view all the answers

    What are the components of marine ecosystems' spatial division?

    <p>Planktonic environment and benthic environment</p> Signup and view all the answers

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