Cenozoic Era Extinction Event
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Questions and Answers

During which era did the Paleozoic Era take place?

  • Mesozoic Era
  • Paleozoic Era (correct)
  • Precambrian Era
  • Cenozoic Era
  • Which period is known as the 'Age of the Trilobites'?

  • Silurian
  • Devonian
  • Ordovician
  • Cambrian (correct)
  • What was one significant event during the Paleozoic Era that led to a diversification of marine life forms?

  • Formation of supercontinent Pangea (correct)
  • Mass extinction of dinosaurs
  • Evolution of mammals
  • Impact of asteroids
  • Which species became dominant towards the end of the Paleozoic Era?

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

    Why is the Cambrian Period significant in the Paleozoic Era?

    <p>Cambrian Explosion led to a diversification of marine life forms</p> Signup and view all the answers

    What major event during the Cenozoic Era is believed to have caused mass extinction?

    <p>Impact of an asteroid</p> Signup and view all the answers

    Which marine animal group is noted to have extinct before the dinosaurs existed?

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

    Which era is characterized by the presence of flowering plants as dominant land features?

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

    Which of the following first appeared during the Cenozoic Era according to the text?

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

    What caused tremendous forest fires during the impact event mentioned in the text?

    <p>Tremendous amount of dust in the atmosphere</p> Signup and view all the answers

    Which animals became dominant during the Cenozoic Era?

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

    What led to the extinction of plants and animals during the Cenozoic Era according to the text?

    <p>Climatic changes and glacier events</p> Signup and view all the answers

    What catastrophic event is hypothesized to have caused the mass extinction that ended the era?

    <p>Large asteroids or comets impacting Earth</p> Signup and view all the answers

    During which geological time period did Pangaea start to separate?

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

    What were the first animals to appear during the Mesozoic Era's Triassic Period?

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

    What became the dominant group of animals during the Mesozoic Era according to the text?

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

    Which of the following land features first appeared during the Mesozoic Era's Cretaceous Period?

    <p>Flowering plants</p> Signup and view all the answers

    How could a meteorite impact cause a mass extinction according to the text?

    <p>By blocking out sunlight with debris</p> Signup and view all the answers

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