Differences Between Endangered Species and Threatened Species


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question 1 of 3

An organism that used to exist and no longer does is called _____.

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1. The majority of species extinctions are caused by _____.

2. If an animal, such as duck, has no immediate threat to the survival of its species, it is listed as _____.

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About This Quiz & Worksheet

Loss of habitat has lead to the endangerment and extinction of many species. Learn about some of these animals, and the categories that exist to classify them, with this worksheet and quiz. You will also read about causes for extinction of species and consequences.

Quiz & Worksheet Goals

In these assessments you'll be tested on these categories:

  • Least concern
  • Near threatened
  • Threatened
  • Endangered
  • Critically endangered
  • Extinct
  • Extinct in the Wild

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on threatened and endangered species
  • Making connections - understand how the loss of one species affects other animals
  • Critical thinking - discuss the importance of conservation and the consequences of poaching
  • Distinguishing differences - identify different categories used to label species by the International Union for Conservation of Nature (IUCN)

Additional Learning

To learn more about threatened and endangered species, review the accompanying lesson. This lesson covers the following objectives:

  • Define the categories used to label animals as threatened or endangered
  • Identify causes for species extinction
  • Discuss the need for a balanced ecosystem
  • Understand why conservation is important
  • Learn about the IUCN
  • Define the Endangered Species Act