Geologic Time Scale and Major Eras Exercise

Geologic Time Scale and Major Eras

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Geologic Time Scale and Major Eras

Examine how the geologic time scale divides Earth's history into major eras based on rock and fossil records.

Questions

  1. MultiChoice

    What is the Geologic Time Scale?

  2. MultiChoice

    What major events typically mark the boundaries between major geological eras?

  3. MultiChoice

    Which geological era is famous as the Age of Reptiles and Dinosaurs?

  4. MultiChoice

    In which geological era do humans and modern mammals live today?

  5. MultiChoice

    What is the largest, broadest division of geological time?

  6. MultiChoice

    Which era is characterized by early marine invertebrates, fish, and the first land plants?

  7. MultiChoice

    Approximately how old is Planet Earth according to scientific geological evidence?

  8. MultiChoice

    Which major time span covers roughly 88 percent of Earth's total geological history?

  9. MultiChoice

    Which era began immediately following the mass extinction of non-avian dinosaurs?

  10. MultiChoice

    How were many geological periods (like the Devonian or Jurassic) originally named?

  11. MultiChoice

    What event brought a dramatic end to the Paleozoic Era?

  12. MultiChoice

    Which sequence lists geological time divisions in order from LARGEST to SMALLEST?