What Is Extinction? - Defining Background and Mass Extinction - Quiz & Worksheet


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To state an organism is 'extinct' means

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1. Which of the following is an example of a background extinction event?

2. When an animal or plant is trapped under a rock or within lava and preserved to be dug up later, the remains are called a(n):

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About This Quiz & Worksheet

Millions of species of organisms have gone extinct throughout the years from both natural and unnatural causes. This quiz and worksheet combination will test your understanding of past examples of extinction and mass extinction.

Quiz & Worksheet Goals

This quiz will test you on the following:

  • Mass extinction events
  • Reasons for increase in extinction levels
  • Background extinction events
  • Relative terminology

Skills Practiced

Prepare to practice these skills:

  • Reading comprehension - ensure that you draw the most important information from the related evolutionary lesson
  • Information recall - access the knowledge you've gained regarding the remains of an animal or plant
  • Knowledge application - use your knowledge to answer a question about examples of mass extinction events

Additional Learning

Learn more by reviewing the accompanying lesson, What is Extinction? - Defining Background and Mass Extinction. This lesson will detail numerous topics, including:

  • Definitions of extinct, background extinction, and mass extinction
  • Examples of mass extinctions, including the event at the Cretaceous-Paleogene boundary
  • Fossil records and background extinctions
  • International Union for Conservation of Nature and the impact of humans on extinction levels