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The History of Life on Earth: Timeline and Characteristics of Major Eras

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Which answer choice correctly orders the three major eons of Earth's history, from the oldest to the most recent?

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1. What type of event separates the Paleozoic, Mesozoic, and Cenozoic eras from one another in the Phanerozoic eon?

2. The Archean and Proterozoic eons are grouped together as the:

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About This Quiz & Worksheet

This quiz and accompanying worksheet will help you assess your understanding of the characteristics of major eras of life on Earth. You will be quizzed on the basic concepts related to the different time periods.

Quiz & Worksheet Goals

Use this printable worksheet and quiz to review:

  • The chronological order of the three major eons
  • What type of event divides the eras in the Phanerozoic eon
  • The term that refers to the grouping of the Archean and Proterozoic eons
  • Time period distinguished by the largest increase in number and diversity of species
  • Method utilized for finding the age of fossils and rocks

Skills Practiced

  • Information recall - access the knowledge you've gained regarding the time period marked by the highest increase in species, the method for assessing the age of a rock or fossil, and the event that delineates eras in the Phanerozoic eon
  • Making connections - use your understanding of the concepts Archean and Proterozoic eons to identify how they are paired together
  • Reading comprehension - ensure that you understand the essential information from the related lesson on the characteristics of major eras of life on Earth

Additional Learning

To learn more about the time periods on Earth, review the accompanying lesson titled The History of Life on Earth: Timeline and Characteristics of Major Eras. This lesson covers the following objectives:

  • Learn about the use of radioactive dating and the fossil record
  • Examine the timeline of the major eons and eras on Earth
  • Define mass extinction
  • Understand the differences between the major eons on Earth
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