Using Population Graphs to Predict Ecosystem Changes


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question 1 of 3

Using the population graph of elk below, choose the best reason for the decrease in the elk population at two years

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1. Using the graph below, explain why the deer population decreases after the wolf population increases

2. Using the graph below, explain what would happen to both populations if the predator population dramatically decreased

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About This Quiz & Worksheet

Thanks to the quiz and worksheet, you can see what you know about using population graphs to predict ecosystem changes. Examples of population graphs are on the quiz, and the questions will ask you to interpret them.

Quiz & Worksheet Goals

You will be tested over the following topics:

  • The effects of a predator population dramatically decreasing
  • Exponential growth
  • Population density
  • Examples of population graphs

Skills Practiced

  • Information recall - retrieve the details you picked up about the meaning of exponential growth
  • Reading comprehension - ensure that you draw the most important information from the lesson on population graphs and ecosystem changes
  • Knowledge application - use your knowledge to answer questions about examples of population graphs

Additional Learning

If you are interested in learning more about these graphs, use the lesson titled Using Population Graphs to Predict Ecosystem Changes. Thanks to this lesson, you can:

  • Determine what an ecosystem is
  • Examine the relationship between predator and prey
  • Define carrying capacity