Geological Extinctions Quiz
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Questions and Answers

What is the cause of the Late Devonian Extinction?

  • Climate change
  • Seafloor Anoxia (correct)
  • Altered Ocean Convection
  • Eutrophication
  • Which event is associated with the extinction of Gephuroceratidae and Beloceratidae?

  • Triassic-Jurassic Extinction
  • Late Devonian Extinction (correct)
  • Hirnantian Glaciation
  • Ordovician-Silurian Extinction
  • What factor dramatically affected the evolution of fishes and other aquatic organisms during a certain time period?

  • CO2 levels
  • High atmospheric oxygen content (correct)
  • Lethal mutations in aquatic organisms
  • Abundance of toxic metals
  • Which extinction event is also known as the End-Ordovician Extinction?

    <p>Late Devonian Extinction</p> Signup and view all the answers

    What did Mercury spikes suggest as a driver of the Ordovician-Silurian mass extinction?

    <p>Volcanic activity</p> Signup and view all the answers

    What was a significant feature associated with the Frasnes Event around the Middle-Upper Devonian boundary?

    <p>&quot;Phased 2nd order global crisis&quot;</p> Signup and view all the answers

    What percentage loss was observed during the Permian-Triassic Extinction event?

    <p>85%</p> Signup and view all the answers

    During which extinction event did the most catastrophic extinction pulse occur in the Late Devonian Period?

    <p>Late Devonian Extinction</p> Signup and view all the answers

    What event indirectly caused ocean anoxia leading to the extinction of Gephuroceratidae and Beloceratidae?

    <p>Seafloor Anoxia</p> Signup and view all the answers

    What was the characteristic feature associated with Hirnantian Glaciation during the End-Ordovician Extinction?

    <p>Abundance of toxic metals</p> Signup and view all the answers

    Which factor contributed to making the climate colder during a certain period of time according to Van De Schootbrugge and Gollner, 2013?

    <p>Oxygen (O2)</p> Signup and view all the answers

    What is the cause of major pulses dramatically affecting the evolution of fishes and other aquatic organisms between 374 - 359 MYA?

    <p>Volcanic activity</p> Signup and view all the answers

    Which ancient creatures went extinct during the Frasnes Event around the Middle-Upper Devonian boundary?

    <p>(Corals, sponges, and Conodonts)</p> Signup and view all the answers

    What is suggested as a volcanic driver of the Ordovician-Silurian mass extinction according to Gong et al. (2017)?

    <p>(Mercury spikes)</p> Signup and view all the answers

    'Lethal mutations in aquatic organisms' were associated with which event?

    <p>(Late Devonian Extinction)</p> Signup and view all the answers

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