Geological Time Test

25 Questions

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Geologic Time Scale Quizzes & Trivia

This exam is to test your knowledge of geologic time.


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Questions and Answers
  • 1. 
    • A. 

      Seafloor spreading

    • B. 

      Geologic Time Scale

    • C. 

      Prehistoric dinosaurs

  • 2. 
    ________________ are the longest subdivision of GTS.
    • A. 

      Eons

    • B. 

      Eras

    • C. 

      Periods

  • 3. 
    _______________ is change of animals over time.
    • A. 

      Natural selection

    • B. 

      Organic evolution

    • C. 

      Periodic table

  • 4. 
    __________ is a group of organisms which have the ability to reproduce with members of their group.
    • A. 

      Period

    • B. 

      Epoch

    • C. 

      Species

  • 5. 
    The theory that organisms with characteristics best suited for that environment will survive there is known as _______________.
    • A. 

      Organic evolution

    • B. 

      Natural selection

    • C. 

      Solar system

  • 6. 
    What is the longest part of Earth’s history. Trace fossils appeared.
    • A. 

      Precambrian Time

    • B. 

      Paleozoic Era

    • C. 

      Mesozoic Era

    • D. 

      Cenozoic Era

  • 7. 
    • A. 

      Precambrian Time

    • B. 

      Paleozoic Era

    • C. 

      Mesozoic Era

  • 8. 
    Cyanobacteria does not produce oxygen.
    • A. 

      True

    • B. 

      False

  • 9. 
    The era of middle life; a time of many changes on Earth.                                        
    • A. 

      Paleozoic

    • B. 

      Mesozoic

    • C. 

      Cenozoic

  • 10. 
                                       Dinosaurs and birds are said to have evolved during The Mesozoic Eera.                                        
    • A. 

      True

    • B. 

      False

  • 11. 
    The movie "Jurassic Park" got its title from which era?
    • A. 

      Paleozoic Era

    • B. 

      Mesozoic Era

    • C. 

      Cenozoic Era

  • 12. 
                                        What time period am I describing. Rocks dating back in this time were  RARE because of erosion; hence hardly no fossil records. Rocks were buried and changed by extreme heat and pressure. Fossils could not withstand the conditions. 
  • 13. 
    • A. 

      Mesozoic Era

    • B. 

      Cyanobacteria

    • C. 

      Epochs

  • 14. 
    Which era am I describing.   The era of ancient life. It is divided into 3 periods, Early, Middle, and late. The age of the invertebrates was in this era.
  • 15. 
    At the end of which era did the largest mass extinction occur, wiping out 95% of marine life and 70% of life on land?
    • A. 

      Precambrian

    • B. 

      Paleozoic

    • C. 

      Mesozoic

  • 16. 
    End of this (these) era(s) was believed to be caused by a meteorite, comet or asteroid colliding with Earth, causing a huge cloud of dust and smoke to rise into the atmosphere, blocking out the sun. Check all that applies.
    • A. 

      Paleozoic Era

    • B. 

      Mesozoic Era

    • C. 

      Cenozoic Era

  • 17. 
  • 18. 
    • A. 

      1st homo sapien appeared

    • B. 

      Dinosaurs roamed the land.

    • C. 

      The Pleistocene Ice Age began

    • D. 

      1st fish evolved

  • 19. 
    The Geologic time scale is subdivided into 4 groups. List them beginning with the largest.
    • A. 

      Eons, periods, epochs, eras

    • B. 

      Eras, eon, periods, epochs

    • C. 

      Epochs, periods, eras, eons

    • D. 

      Eons, eras, periods, epochs

  • 20. 
    • A. 

      Precambrian Time, Mesozoic, Cenozoic, Paleozoic

    • B. 

      Paleozoic, Mesozoic, Precambrian, Cenozoic

    • C. 

      Precambrian Time, Paleozoic, Mesozoic, Cenozoic

    • D. 

      Cenozoic, Mesozoic, Paleozoic, Precambrian Time

  • 21. 
    Approximately how old is the earth?
    • A. 

      5 BYA

    • B. 

      4.6 MYA

    • C. 

      4.6 BYA

    • D. 

      3.5 MYA

  • 22. 
    The Cenozoic era is called the age of mammals because
    • A. 

      A. mammals first evolved at this time.

    • B. 

      B. fish were very successful during this time.

    • C. 

      C. many dinosaurs became extinct during this time.

  • 23. 
    Describe what is meant by the Cambrian explosion. it is the explosion of [Blank]
  • 24. 
    The geologic time scale was developed using
    • A. 

      A. climate data.

    • B. 

      B. glacial grooves.

    • C. 

      C. changes in fossils.

    • D. 

      D. meteorite fragments.