Interpreting Non-Literary Sources Practice Exercises (page 2)

Updated on Aug 25, 2011

Exercise 2

Refresh Yourself with the Vacation of a Lifetime

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Read the following questions. Circle the letter of the answer you think is correct.

  1. What is the author's purpose in this text?
    1. to inform
    2. to persuade
    3. to entertain
    4. to advertise
  2. Which advertising technique does the writer use overall?
    1. fantasy
    2. bandwagon
    3. statistics
    4. testimonial
  3. What is the tone of the advertisement?
    1. friendly
    2. inviting
    3. aggressive
    4. passionate

Exercise 3

Reintroducing the Gray Wolf

After years of heated debate, gray wolves were reintroduced to Yellowstone National Park in 1995. Fourteen wolves were captured in Canada and transported to the park. By 2007, the Yellowstone wolf population had grown to more than 170 wolves. The wolves live in 11 packs, and each pack maintains a specific territory, as shown in the figure.

Putting it All Together

Gray wolves once roamed the Yellowstone area and much of the continental United States. But they were gradually displaced by human development, and hunted by farmers and ranchers for preying on livestock. By the 1920s, wolves had practically disappeared from the Yellowstone area. They migrated farther north into the deep forests of Canada, where there was less contact with humans.

The disappearance of the wolves had many consequences. Deer and elk populations—major food sources for the wolf—grew rapidly without their usual predator. These animals consumed large amounts of vegetation, which reduced plant diversity in the park. In the absence of wolves, coyote populations also grew quickly. The coyotes killed a large percentage of the park's red foxes, and completely eliminated the park's beavers.

As early as 1966, biologists asked the government to consider reintroducing wolves to Yellowstone Park. They hoped that wolves would be able to control the elk and coyote problems. Many ranchers and farmers opposed the plan because they feared that wolves would kill their livestock or pets. Other people feared that the wolves would not be well protected in Yellowstone anymore.

The government spent nearly 30 years coming up with a plan to reintroduce the wolves. They included many compromises to help people accept the wolves' presence. For instance, although the wolves are technically an endangered species, Yellowstone's wolves were classified as an "experimental" population. This allowed the government more control over the wolf packs. They also pledged to pay ranchers for livestock killed by wolves.

The U.S. Fish and Wildlife Service carefully monitors and manages the wolf packs in Yellowstone. Certain wolves wear special collars to help biologists gather information about how the wolves live, hunt, and breed. Each year the wolf population is counted. The 2007 population of the major packs is shown in the table.

Today, the debate continues over how well the gray wolf is fitting in at Yellowstone. Elk, deer, and coyote populations are down, while beavers and red foxes have made a comeback. The Yellowstone wolf project has been a valuable experiment to help biologists decide whether to reintroduce wolves to other parts of the country as well.


Read the following questions. Circle the letter of the answer you think is correct.

  1. What is the main idea of the second paragraph?
    1. Gray wolves were gradually reintroduced to Yellowstone.
    2. Canada provided a better habitat for gray wolves.
    3. Gray wolves were displaced from their original homes by humans.
    4. Gray wolves were a threat to ranchers.
  2. Why did biologists ask the government to reintroduce wolves in Yellowstone?
    1. to control the elk and coyote populations
    2. to restore the park's plant diversity
    3. to control the local livestock
    4. to protect the wolves from extinction
  3. Reread this sentence from the text:c
      For instance, although the wolves are technically an endangered species, Yellowstone's wolves were classified as an "experimental" population.
  4. In the preceding sentence, why does the writer include the word technically?

    1. to emphasize the legal definition of endangered
    2. to show that the government controls the wolves' status
    3. to explain why the wolves are endangered
    4. to highlight that the Yellowstone wolves are a special population
  5. What point of view is used in the article?
    1. first-person
    2. second-person
    3. third-person
    4. both first-person and third-person
  6. What is the organizing principle of the third paragraph?
    1. compare and contrast
    2. cause and effect
    3. chronological order
    4. order of importance
  7. In 2007, which wolf pack had the fewest members?
    1. the Hayden pack
    2. the Druid pack
    3. the Yellowstone Delta pack
    4. the Cougar pack
  8. What is the implied main idea of the article?
    1. Yellowstone's wolf program was a mistake.
    2. The government is responsible for reintroducing wolves.
    3. Wolves are an important part of our national parks.
    4. Yellowstone's wolf program has been beneficial for the wolves and the park.
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