Question 1

Why are tropical rain forests considered so important to global ecology?

Accepted Answer

A)  they contribute greatly to the world's carbon and oxygen cycles 
B)  they retard soil erosion 
C)  they contain much of the world's biodiversity 
D)  they mitigate floods and droughts 
E)  All of these choices are correct 
A)  they contribute greatly to the world's carbon and oxygen cycles 
B)  they retard soil erosion 
C)  they contain much of the world's biodiversity 
D)  they mitigate floods and droughts 
E)  All of these choices are correct

Question 2

Which of the following is NOT one of the top 5 countries with the greatest tree harvests?

Accepted Answer

A)  United States 
B)  Canada 
C)  China 
D)  Germany 
E)  Brazil 
A)  United States 
B)  Canada 
C)  China 
D)  Germany 
E)  Brazil

Question 3

Timber companies prefer to harvest trees by:

Accepted Answer

A)  clearcutting. 
B)  seed tree cutting. 
C)  selective cutting. 
D)  even-age harvesting. 
E)  shelterwood cutting. 
A)  clearcutting. 
B)  seed tree cutting. 
C)  selective cutting. 
D)  even-age harvesting. 
E)  shelterwood cutting.

Question 4

Public rangelands in the United States:

Accepted Answer

A)  have been on the decline since the early 1900s. 
B)  are maintained exclusively by fees collected from private livestock operators. 
C)  do not currently support large populations of free-ranging grazers. 
D)  make up approximately 50% of the total land area in the United States. 
E)  can be used for grazing private livestock for a fee if you have a permit. 
A)  have been on the decline since the early 1900s. 
B)  are maintained exclusively by fees collected from private livestock operators. 
C)  do not currently support large populations of free-ranging grazers. 
D)  make up approximately 50% of the total land area in the United States. 
E)  can be used for grazing private livestock for a fee if you have a permit.

Question 5

Forests:

Accepted Answer

A)  fix large amounts of oxygen, removing it from the atmosphere. 
B)  promote soil erosion. 
C)  maintain watersheds. 
D)  provide habitat for few animal species. 
E)  release large amounts of carbon monoxide into the atmosphere. 
A)  fix large amounts of oxygen, removing it from the atmosphere. 
B)  promote soil erosion. 
C)  maintain watersheds. 
D)  provide habitat for few animal species. 
E)  release large amounts of carbon monoxide into the atmosphere.

Question 6

An ecological simplification in which only one type of plant is cultivated over a large area is called a:

Accepted Answer

A)  wildlife corridor 
B)  natural regulation 
C)  wise-use move 
D)  monoculture 
E)  single species standard 
A)  wildlife corridor 
B)  natural regulation 
C)  wise-use move 
D)  monoculture 
E)  single species standard

Question 7

Which of the following statements is TRUE?

Accepted Answer

A)  There is at least one wildlife refuge is each of the 50 states. 
B)  Hunting is not allowed in wildlife refuges. 
C)  The National Wildlife Refuge system has made it a priority to expand the limited ecosystems currently represented 
D)  Wildlife refuges are managed by the Bureau of Land Management (BLM) 
E)  The primary mission of the National Wildlife Refuge system is to provide public recreation areas for wildlife observation, photography and environmental education. 
A)  There is at least one wildlife refuge is each of the 50 states. 
B)  Hunting is not allowed in wildlife refuges. 
C)  The National Wildlife Refuge system has made it a priority to expand the limited ecosystems currently represented 
D)  Wildlife refuges are managed by the Bureau of Land Management (BLM) 
E)  The primary mission of the National Wildlife Refuge system is to provide public recreation areas for wildlife observation, photography and environmental education.

Question 8

Which of the following is a direct cause of deforestation?

Accepted Answer

A)  Insects 
B)  Indigenous people 
C)  Decrease of agriculture 
D)  Diseases 
E)  Both insects and diseases are direct causes of deforestation 
A)  Insects 
B)  Indigenous people 
C)  Decrease of agriculture 
D)  Diseases 
E)  Both insects and diseases are direct causes of deforestation

Question 9

Which of the following is not a threat to national parks?

Accepted Answer

A)  ecosystem services 
B)  vandalism 
C)  collecting plants, minerals, and fossils 
D)  declining wildlife populations 
E)  proliferating wildlife populations 
A)  ecosystem services 
B)  vandalism 
C)  collecting plants, minerals, and fossils 
D)  declining wildlife populations 
E)  proliferating wildlife populations

Question 10

Which of the following statements regarding trees and climate change is true?

Accepted Answer

A)  The oxygen produced by trees helps to moderate climate change. 
B)  When trees act as carbon "sinks," they accelerate climate change. 
C)  There is much more carbon stored in trees than there is in the atmosphere. 
D)  The process of photosynthesis removes greenhouse gases from the atmosphere. 
E)  Trees take greenhouse gases and turn them into CO2, an important compound for many living organisms. 
A)  The oxygen produced by trees helps to moderate climate change. 
B)  When trees act as carbon "sinks," they accelerate climate change. 
C)  There is much more carbon stored in trees than there is in the atmosphere. 
D)  The process of photosynthesis removes greenhouse gases from the atmosphere. 
E)  Trees take greenhouse gases and turn them into CO2, an important compound for many living organisms.

Question 11

Approximately 55 percent of the land in the United States is owned by:

Accepted Answer

A)  the federal government, as national parks. 
B)  Native Americans. 
C)  citizens, corporations, and non-profit organizations. 
D)  state and local governments. 
E)  the federal government, as national forests and rangelands. 
A)  the federal government, as national parks. 
B)  Native Americans. 
C)  citizens, corporations, and non-profit organizations. 
D)  state and local governments. 
E)  the federal government, as national forests and rangelands.

Question 12

Boreal forests:

Accepted Answer

A)  comprise the world's largest biome. 
B)  are currently the primary source of the world's industrial wood and wood fiber. 
C)  are harvested primarily by clearcut logging. 
D)  are comprised of evergreen trees, such as spruce, fir, cedar, and hemlock. 
E)  All of these statements are correct 
A)  comprise the world's largest biome. 
B)  are currently the primary source of the world's industrial wood and wood fiber. 
C)  are harvested primarily by clearcut logging. 
D)  are comprised of evergreen trees, such as spruce, fir, cedar, and hemlock. 
E)  All of these statements are correct

Question 13

The countries of Indonesia and the Philippines have which of the following in common?

Accepted Answer

A)  desertification 
B)  drought 
C)  rare cold fronts during winter 
D)  high rates of deforestation 
E)  extensive dry tropical forests 
A)  desertification 
B)  drought 
C)  rare cold fronts during winter 
D)  high rates of deforestation 
E)  extensive dry tropical forests

Question 14

Tropical rain forests and boreal forests are both undergoing deforestation. Compare and contrast the causes of deforestation in these two different biomes.

Accepted Answer

In tropical rain forests, deforestation

Question 15

The National Wildlife Refuge System was established by which President of the United States?

Accepted Answer

A)  Abraham Lincoln 
B)  Woodrow Wilson 
C)  Harry Truman 
D)  Herbert Hoover 
E)  Theodore Roosevelt 
A)  Abraham Lincoln 
B)  Woodrow Wilson 
C)  Harry Truman 
D)  Herbert Hoover 
E)  Theodore Roosevelt

Question 16

The controversy involving the decline of white pine trees (source of a major part of the grizzly bears' diet) is based on:

Accepted Answer

A)  the popularity of the grizzly bears compared to their destruction of the local forest community. 
B)  the fact that global warming and ozone depletion are responsible for the trees' decline. 
C)  the exotic nature of the fungus that is killing the trees. 
D)  the provision of the Wilderness Act that intentional ecological management will be avoided. 
E)  None of these statements is true 
A)  the popularity of the grizzly bears compared to their destruction of the local forest community. 
B)  the fact that global warming and ozone depletion are responsible for the trees' decline. 
C)  the exotic nature of the fungus that is killing the trees. 
D)  the provision of the Wilderness Act that intentional ecological management will be avoided. 
E)  None of these statements is true

Question 17

Subsistence agriculture:

Accepted Answer

A)  has little or no impact on deforestation since it is a small-scale approach. 
B)  is where a family produces just enough food to feed itself. 
C)  is only used by 1 to 2 million farmers today since it is an outdated farming practice. 
D)  does not use the slash-and-burn agriculture method. 
E)  is a typical land use practice in highly developed countries. 
A)  has little or no impact on deforestation since it is a small-scale approach. 
B)  is where a family produces just enough food to feed itself. 
C)  is only used by 1 to 2 million farmers today since it is an outdated farming practice. 
D)  does not use the slash-and-burn agriculture method. 
E)  is a typical land use practice in highly developed countries.

Question 18

Which of the following statements about Tongass National Forest is false?

Accepted Answer

A)  A single large Sitka spruce from Tongass may yield as much as 10,000 board feet of high-quality lumber. 
B)  Tongass is the largest forest in the National Forest System. 
C)  Tongass is a prime logging area because it was clearcut in the early 1900s and has now regrown. 
D)  The modified Tongass Land Management Plan calls for reduced road density to protect wildlife habitat. 
E)  The 1999 modified Tongass Land Management Plan increased timber harvest rotations to 200 years. 
A)  A single large Sitka spruce from Tongass may yield as much as 10,000 board feet of high-quality lumber. 
B)  Tongass is the largest forest in the National Forest System. 
C)  Tongass is a prime logging area because it was clearcut in the early 1900s and has now regrown. 
D)  The modified Tongass Land Management Plan calls for reduced road density to protect wildlife habitat. 
E)  The 1999 modified Tongass Land Management Plan increased timber harvest rotations to 200 years.

Question 19

Cities make up what percentage of the world's total land area?

Accepted Answer

A)  9% 
B)  17% 
C)  3% 
D)  12% 
E)  7% 
A)  9% 
B)  17% 
C)  3% 
D)  12% 
E)  7%

Question 20

According to the Defenders of Wildlife, the top three most endangered ecosystems in the U.S. include:

Accepted Answer

A)  Northwestern grassland, Heartland savanna, and California native grassland 
B)  South Florida landscape, Southern Appalachian spruce-fir forest, and longleaf pine forests and savannas. 
C)  Alaskan tundra, Hawaii's rainforest, and coastal wetlands 
D)  Bogs, Arizona's deserts, and Rocky Mountain evergreen forests 
E)  Freshwater lakes, prairie lands, and volcanic landscapes 
A)  Northwestern grassland, Heartland savanna, and California native grassland 
B)  South Florida landscape, Southern Appalachian spruce-fir forest, and longleaf pine forests and savannas. 
C)  Alaskan tundra, Hawaii's rainforest, and coastal wetlands 
D)  Bogs, Arizona's deserts, and Rocky Mountain evergreen forests 
E)  Freshwater lakes, prairie lands, and volcanic landscapes

Exam 17: Land Resources

Why are tropical rain forests considered so important to global ecology?

Which of the following is NOT one of the top 5 countries with the greatest tree harvests?

Timber companies prefer to harvest trees by:

Public rangelands in the United States:

Forests:

An ecological simplification in which only one type of plant is cultivated over a large area is called a:

Which of the following statements is TRUE?

Which of the following is a direct cause of deforestation?

Which of the following is not a threat to national parks?

Which of the following statements regarding trees and climate change is true?

Approximately 55 percent of the land in the United States is owned by:

Boreal forests:

The countries of Indonesia and the Philippines have which of the following in common?

Tropical rain forests and boreal forests are both undergoing deforestation. Compare and contrast the causes of deforestation in these two different biomes.

The National Wildlife Refuge System was established by which President of the United States?

The controversy involving the decline of white pine trees (source of a major part of the grizzly bears' diet) is based on:

Subsistence agriculture:

Which of the following statements about Tongass National Forest is false?

Cities make up what percentage of the world's total land area?

According to the Defenders of Wildlife, the top three most endangered ecosystems in the U.S. include:

Introducing Environmental Science and Sustainability

Environmental Laws Economic and Ethics

Ecosystems and Energy

Ecosystems and the Physical Environment

Ecosystems and Living Organisms

Major Ecosystems of the World

Human Health and Environmental Toxicology

The Human Population

The Urban World

Energy Consumption

Fossil Fuels

Renewable Energy and Nuclear Power

Water: a Limited Resource

Soil Resources

Mineral Resources

Biological Resources

Food Resources

Air Pollution

Global Climate Change

Water Pollution

Pest Management

Solid and Hazardous Waste

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