Eras Of Earth's History Quiz

7 Questions | Total Attempts: 172

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Earth Quizzes & Trivia

Do you know the eras of earth’s history? Would you be interested in this quiz? As it pertains to this quiz, you need to be aware of what the term mass extinctions mean, what occurred at the beginning of the Paleozoic era, the correct order of the eras happening Precambrian Time, and what is the Eoarchean era. This quiz will teach you about the eras of the earth’s history. Good luck.


Questions and Answers
  • 1. 
    A _______________ is where a large number of species die off at the same time.
    • A. 

      Half-life

    • B. 

      Isotopic analysis

    • C. 

      Uniformitarianism

    • D. 

      Mass extinction

  • 2. 
    At the beginning of the Paleozoic Era was the _______________ explosion, in which a large variety of organisms developed and evolved.
    • A. 

      Ordovician

    • B. 

      Silurian

    • C. 

      Cambrian

    • D. 

      Cretaceous

  • 3. 
    During the ______________ Period, there were huge insects, due in part to the large amount of oxygen in the atmosphere.
    • A. 

      Silurian

    • B. 

      Carboniferous

    • C. 

      Triassic

    • D. 

      Tertiary

  • 4. 
    What is the correct order of the Eras occurring after Precambrian Time?
    • A. 

      Paleozoic, Mesozoic, Cenozoic

    • B. 

      Cenozoic, Paleozoic, Mesozoic

    • C. 

      Paleozoic, Cenozoic, Mesozoic

    • D. 

      Cenozoic, Mesozoic, Paleozoic

  • 5. 
    The _______________ Era is referred to as the "Age of Reptiles," because _______________ were the dominant life form.
    • A. 

      Paleozoic; mammals

    • B. 

      Mesozoic; dinosaurs

    • C. 

      Precambrian; jellyfish

    • D. 

      Cenozoic; bacteria

  • 6. 
    The ________________ Era is referred to as the "Age of Mammals," since mammals like humans, are the dominant life form.
    • A. 

      Mesozoic

    • B. 

      Paleozoic

    • C. 

      Cenozoic

    • D. 

      Precambrian

  • 7. 
    The Eoarchean era is the first era of the Proterozoic Eon.
    • A. 

      True

    • B. 

      Flase

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