Exam 9: Sustaining Biodiversity - the Ecosystem Approach
Exam 1: Environmental Problems - Their Causes - and Sustainability95 Questions
Exam 2: Science - Matter - and Energy97 Questions
Exam 3: Ecosystems - What Are They and How Do They Work100 Questions
Exam 4: Biodiversity and Evolution100 Questions
Exam 5: Biodiversity - Species Interactions - and Population Control98 Questions
Exam 6: The Human Population and Urbanization102 Questions
Exam 7: Climate and Biodiversity101 Questions
Exam 8: Sustaining Biodiversity - the Species Approach99 Questions
Exam 9: Sustaining Biodiversity - the Ecosystem Approach100 Questions
Exam 10: Food - Soil - and Pest Management100 Questions
Exam 11: Water Resources and Water Pollution99 Questions
Exam 12: Geology and Nonrenewable Minerals100 Questions
Exam 13: Energy98 Questions
Exam 14: Environmental Hazards and Human Health100 Questions
Exam 15: Air Pollution Climate Change and Ozone Depletion96 Questions
Exam 16: Solid and Hazardous Waste100 Questions
Exam 17: Environmental Economics Politics and Worldviews99 Questions
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Sustainable management and harvesting of forests are certified by the ____.
Free
(Multiple Choice)
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Correct Answer:
C
Which type of fires usually burn only undergrowth and leaf litter on the forest floor?
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(Multiple Choice)
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Correct Answer:
E
The wolf reintroduction was based partly on its importance as a(n)____.
Free
(Multiple Choice)
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Correct Answer:
D
A tree plantation,also called a tree farm or commercial forest,is a managed forest containing only one or two species of trees that are all of the same age.
(True/False)
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A(n)____________________ ____________________is a stand of trees resulting from secondary ecological succession.
(Short Answer)
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Removing dams and allowing rivers to flow freely can help restore biodiversity.
(True/False)
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A(n)____ is an extremely hot fire that leaps from treetop to treetop,burning whole trees.
(Multiple Choice)
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You are the forest manager in a large tract of forest surrounding a lake resort town of 15,000 residents in the Adirondacks.Each year,over 200,000 vacationers visit and stay in this town for short periods of time.The forest around this resort and lake has become infested with a bark beetle that has caused the death of about 20-35% of the trees.Dead trees can be seen on the hills above the resort.
The residents of this town are concerned about destructive crown fires that may threaten their lives or property.They have petitioned you as the forest manager to have the dead trees removed.They prefer to have this done by the quickest means possible.
What information can you provide to the residents about sustainable forestry? How can tree removal be accomplished in a manner that is in line with sustainable forestry?
(Essay)
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The process of repairing damage caused by humans to various ecosystems is called ____________________.
(Short Answer)
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According to your textbook,one of the biggest problems for U.S.national and state parks today is ____.
(Multiple Choice)
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____________________ operate illegally in many parks in less-developed countries,killing animals to obtain and sell items such as rhino horns,elephant tusks,and furs.
(Short Answer)
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Areas where poverty levels are high and where a large part of the economy depends on various ecosystem services that are being degraded severely enough to threaten humans and other species can be described as ____.
(Multiple Choice)
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Strip cutting of timber is a method of harvesting that ____.
(Multiple Choice)
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Surface fires free valuable plant nutrients tied up in slowly decomposing litter and undergrowth.
(True/False)
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Areas especially rich in highly endangered species that are found nowhere else can be described as ____________________.
(Short Answer)
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____________________ are unfenced grasslands in temperate and tropical climates that supply vegetation for grazing and browsing animals.
(Short Answer)
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In 1995 and 1996,federal wildlife officials reintroduced ____________________ to Yellowstone National Park.
(Short Answer)
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