ABS 270 Week 15 Final Exam
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<strong>ABS</strong> <strong>270</strong> <strong>Week</strong> <strong>15</strong> <strong>Final</strong> <strong>Exam</strong><br />
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<strong>ABS</strong> <strong>270</strong> <strong>Week</strong> <strong>15</strong> <strong>Final</strong> <strong>Exam</strong><br />
1. Question : Which of these statements is most accurate about the amount of<br />
rangelands<br />
2. Question : What is the most important single environmental factor in<br />
determining the productivity of rangelands?<br />
3. Question : If you were traveling from west to east across the Great Plains in the<br />
United States what would be the correct sequence of grassland types that you would<br />
encounter?<br />
4. Question : Rangelands can be described as<br />
5. Question : In the rangeland succession model what are some of the factors that<br />
keep rangelands from progressing toward climax?<br />
6. Question : What happens to roots after grazing of the above ground vegetation?<br />
7. Question : Most (over 50%) of the commercial timberland in the United States is<br />
owned by which of these groups?<br />
8. Question : The U.S. Forest Service was established in 1905, to sustain the forests<br />
for future use. Who was the president of the US who was responsible for the establishment<br />
of the National Forests.<br />
9. Question : Who was the first Chief of the Forest Service<br />
10. Question : The largest contiguous ponderosa Pine Forest is located in:<br />
11. Question : Typically Ponderosa Pine trees live to be about:<br />
12. Question : In their natural (pre European Settlement) conditions Ponderosa pine<br />
forests were generally:<br />
13. Question : What factor is most responsible for increasing mortality of trees by<br />
catastrophic fire?<br />
14. Question : A colorless gas produced by motor vehicles and some industrial<br />
processes is most likely:
<strong>15</strong>. Question : While walking down a mountain pass, you see a factory town at a<br />
distance in the valley below. You can see that most of the pollution from the smokestacks<br />
appears capped as if by an invisible lid, so that it cannot spread out of the valley to the air<br />
above. What is the name of such a phenomenon?<br />
16. Question : Which of the following are major atmospheric pollutants?<br />
17. Question : Which of the following is a gaseous pollutant and a mojor conponent<br />
of photochemical smog--the brownish haze that shrouds many urban areas during the hot,<br />
sunny days of summer<br />
18. Question : What is not a form of natural air pollution?<br />
19. Question : A pollutant that is produced by chemical reactions between<br />
hydrocarbons and nitrogen oxides and its reactions are powered by sunlight is usually:<br />
20. Question : The following condition(s) exacerbate air pollution problems:<br />
21. Question : Scientists estimate that ___________people die each year at least<br />
partially due to air pollution.<br />
22. Question : Which of the following are major human caused atmospheric<br />
pollutants:<br />
23. Question : Which of the following pollutants refers to small solid particles and<br />
liquid droplets suspended n the air?<br />
24. Question : Gaseous pollutants that form whenever sulfur-containing fuels, such<br />
as coal and oil, are burned are called:<br />
25. Question : Hydrocarbons are organic compouds that are composed of hydrogen<br />
and carbon. Which of the following are hydrocarbon pollutants?<br />
26. Question : Which of the following is a major pollutant that caused death by<br />
asphyxiation because it combines with hemoglobin in the red blood cells, blocking their<br />
ability to transport oxygen?<br />
27. Question : A __________is formed when a warm, high-pressure air mass stalls<br />
over an area and sinks toward the ground, at times as low as 600 meters above the ground,<br />
forming a huge warm air lid.<br />
28. Question : Today foresters in many countries use _________ to improve the<br />
quality of timber, livestock forage and wildlife habitat. This is a management strategy that<br />
is being adopted to sustain Forest Ecosystems.
29. Question : Areas of the world that are a source of forage such as grasses and<br />
shrubs for free-ranging native domestic animals and referred to as:<br />
30. Question : Which of the following would you consider not to be a rangland?<br />
31. Question : Which of the following is best defined as a community of plants,<br />
animals, and microorgaisms that are linked by energy and nutrient flows and that interact<br />
with each other and with physical environment<br />
32. Question : Which of the following is not a terrestrial biome?<br />
33. Question : Which of the following best describes the harmonious use of the range<br />
for more than one purpose: livestock, wildlife, water, recreation, etc?<br />
34. Question : The focal point of range management has been, and continues to<br />
be__________.<br />
35. Question : What is the biggest threat to southwestern Ponderosa Pine Forests in<br />
Arizona?<br />
36. Question : What kind of tree is ole Grizzly?<br />
37. Question : A tree harvest method which leaves enough trees as a temporary<br />
shelter wood over story to provide 40% crown cover is called a:<br />
38. Question : In the US about _____________% of the land area is classified as<br />
Forest Land?<br />
39. Question : A method of harvesting timber which helped timber companies to<br />
efficiently harvest and create even aged (monoculture) stands was: