Geological Time Scale: Mesozoic and Cenozoic Eras
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Questions and Answers

Which era saw the first mass extinction event in Earth's history?

  • Precambrian Era
  • Paleozoic Era (correct)
  • Mesozoic Era
  • Cenozoic Era

    • Which period was the last mass extinction event?

  • Triassic Period
  • Cretaceous Period (correct)
  • Permian Period
  • Jurassic Period

    • Which mass extinction event is considered the largest in Earth's history?

  • Late Devonian extinction
  • Cretaceous-Paleogene extinction
  • Permian-Triassic extinction (correct)
  • Ordovician-Silurian extinction

    • How many mass extinction events has the Earth experienced?

    <p>6</p> Signup and view all the answers

    Which era is characterized by the dominance of dinosaurs and other reptiles?

    <p>Mesozoic Era</p> Signup and view all the answers

    Which period of the Cenozoic Era saw the rise of mammals and the extinction of dinosaurs?

    <p>Cretaceous Period</p> Signup and view all the answers

    Which eon is the longest in Earth's history?

    <p>Proterozoic Eon</p> Signup and view all the answers

    Which period of the Mesozoic Era is known as the 'Age of Reptiles'?

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

    Which Cenozoic Epoch is characterized by the rise of modern mammals and the extinction of large dinosaurs?

    <p>Paleocene Epoch</p> Signup and view all the answers

    Which period of the Paleozoic Era is known as the 'Age of Fishes'?

    <p>Devonian Period</p> Signup and view all the answers

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