On the stories (“Yellowstone Ecosystem Needs Wolves and Willows, Elk and …Beavers) & (The cold war ) no lower then 5 dollars
(1.) Which quote contributes to Cheryl Dybas's main idea in “Yellowstone Ecosystem Needs Wolves and Willows, Elk and . . . Beavers?”
1. "Wolves and Yellowstone. In the public mind, and in nature, the two are inextricably linked."
2. "Elk and willows play a critical role in wolves' success in the Yellowstone ecosystem, willows serving as browse for elk—and elk as food for wolves."
3."Scientists had thought that the return of the wolf, leading to a cutback on elk numbers and willow-browsing, was central to restoring the Yellowstone ecosystem."
4. "A third of mainstream reaches show evidence of sediment deposition as a result of beaver dams, a process that's happened for millennia. That sediment offered willows a place to take root."
(2.) What is one characteristic that establishes the credibility of “Yellowstone Ecosystem Needs Wolves and Willows, Elk and . . . Beavers?” by Cheryl Dybas?
1. The article was published in the past year.
2. The article uses technical language that only an expert would know.
3. The article was published by the National Science Foundation.
4. The article is part of a five-article series.
(3.) What is Cheryl Dybas's purpose for writing “Yellowstone Ecosystem Needs Wolves and Willows, Elk and . . . Beavers?”
1. to outline the impact that one minor change can have on an entire ecosystem
2. to persuade the government to reintroduce beavers to the Yellowstone ecosystem
3. to entertain by telling an inspiring story of the power of research science
4. to defend an animal that has earned a bad reputation for no apparent reason
(4.) What is an appropriate question to ask while reading “The Cold War”?
1. Where are the battlegrounds of the Cold War located?
2. Why do wars happen?
3. Is the Berlin Wall still standing?
4. Why do Russians have such interesting names?
(5.) Which detail would be most helpful in supporting Cheryl Dybas's main claim in the article “Yellowstone Ecosystem Needs Wolves and Willows, Elk and …Beavers?”
1. Efforts to restore the wolf population in Yellowstone have been successful.
2. In the 1920s research studies were conducted that identified the native species of Yellowstone.
3. When there are no beavers to support willow growth, the plants are overgrazed by elk.
4. The reintroduction of the wolf is the critical element in the success of the ecosystem.