Question 1

What might be an outcome of clear-cutting?

Accepted Answer

A)  wind-resistant trees in adjacent stands 
B)  reduced biodiversity 
C)  less soil erosion 
D)  a smaller harvest 
A)  wind-resistant trees in adjacent stands 
B)  reduced biodiversity 
C)  less soil erosion 
D)  a smaller harvest

Question 2

What is the most destructive type of fire in a forest?

Accepted Answer

A)  crown fire 
B)  prescribed fire 
C)  surface fire 
D)  ground fire 
A)  crown fire 
B)  prescribed fire 
C)  surface fire 
D)  ground fire

Question 3

TREES
  
-Which letter in the diagram corresponds to the method that has the maximum economic return in the shortest amount of time?

Accepted Answer

The answer of TREES
  
-Which letter in the diagram...

Question 4

What is the greatest threat to the world's national parks?

Accepted Answer

A)  human activities in nearby areas 
B)  lack of funding 
C)  uncontrolled populations of prey because of the decline in predators 
D)  pollution 
A)  human activities in nearby areas 
B)  lack of funding 
C)  uncontrolled populations of prey because of the decline in predators 
D)  pollution

Question 5

What is a characteristic of a forested watershed?

Accepted Answer

A)  very limited ability to absorb pollutants 
B)  ability to slow water runoff 
C)  very limited ability to moderate climate 
D)  ability to speed water runoff 
A)  very limited ability to absorb pollutants 
B)  ability to slow water runoff 
C)  very limited ability to moderate climate 
D)  ability to speed water runoff

Question 6

Tropical deforestation is a major concern throughout the world; reversing tropical deforestation would protect biodiversity,slow global warming,and help to make the important ecological and economic services of these forests sustainable.

Accepted Answer

A) True 
 B)False

Question 7

Which term refers to the removal of all trees from a given area in a single cutting to establish a new,even-aged stand?

Accepted Answer

A)  selection cutting 
B)  shelter wood cutting 
C)  seed-tree cutting 
D)  clear-cutting 
A)  selection cutting 
B)  shelter wood cutting 
C)  seed-tree cutting 
D)  clear-cutting

Question 8

TREES
  
-Which letter in the diagram corresponds to the method in which an appropriate number of individual trees are left standing across an area to provide seed for the production of the next crop of trees?

Accepted Answer

The answer of TREES
  
-Which letter in the diagram...

Question 9

Second-growth forests are the largest of the three major forest types because of the ecological success of governmental and environmental mandates.

Accepted Answer

A) True 
 B)False

Question 10

Climate change and loss of biodiversity are indirect effects of an increase in the ____________________ population.

Accepted Answer

The answer of Climate change and loss of biodiversity are...

Question 11

Which of the following statements is NOT true regarding tropical need trees?

Accepted Answer

A)  These trees are valuable but they are difficult to cultivate and grow slowly. 
B)  The leaves and seeds of neem trees can be used to make natural pesticides. 
C)  Neem-seed oil acts as a strong spermicide and may be developed as a birth control agent. 
D)  Extracts from neem trees can be used to fight bacterial, viral and fungal infections. 
A)  These trees are valuable but they are difficult to cultivate and grow slowly. 
B)  The leaves and seeds of neem trees can be used to make natural pesticides. 
C)  Neem-seed oil acts as a strong spermicide and may be developed as a birth control agent. 
D)  Extracts from neem trees can be used to fight bacterial, viral and fungal infections.

Question 12

What results from burning tropical forests?

Accepted Answer

A)  increased biodiversity 
B)  more greenhouse gases added to the atmosphere 
C)  large areas of regenerated forests 
D)  increased ecological integrity 
A)  increased biodiversity 
B)  more greenhouse gases added to the atmosphere 
C)  large areas of regenerated forests 
D)  increased ecological integrity

Question 13

What would a conservation biologist say is the smartest ecological and economic way to protect trees from insects and disease?

Accepted Answer

A)  Use antibiotics for only the infected trees. 
B)  Develop disease-resistant tree species. 
C)  Maintain the biological diversity of the forest. 
D)  Clear-cut and burn all infected areas. 
A)  Use antibiotics for only the infected trees. 
B)  Develop disease-resistant tree species. 
C)  Maintain the biological diversity of the forest. 
D)  Clear-cut and burn all infected areas.

Question 14

Human activity has contributed significantly to the premature extinction of some species.

Accepted Answer

A) True 
 B)False

Question 15

What is NOT characteristic of second-growth forest?

Accepted Answer

A)  It may develop after a farming area has been abandoned. 
B)  It may develop after fire. 
C)  It may develop as a tree plantation after clear-cutting. 
D)  It may develop as a regenerated forest after hundreds of years of no disturbance. 
A)  It may develop after a farming area has been abandoned. 
B)  It may develop after fire. 
C)  It may develop as a tree plantation after clear-cutting. 
D)  It may develop as a regenerated forest after hundreds of years of no disturbance.

Question 16

Which statement characterizes tropical rain forests?

Accepted Answer

A)  Tropical forests cover about 20% of the Earth's land area 
B)  Tropical forests cover about 6% of the Earth's land area. 
C)  Less than half of the world's species of terrestrial plants and animals live in tropical rain forests. 
D)  Tropical forests contain very few species of plants. 
A)  Tropical forests cover about 20% of the Earth's land area 
B)  Tropical forests cover about 6% of the Earth's land area. 
C)  Less than half of the world's species of terrestrial plants and animals live in tropical rain forests. 
D)  Tropical forests contain very few species of plants.

Question 17

The establishment of public lands by governments helps lessen the impacts that humans have on the Earth's ecosystems.

Accepted Answer

A) True 
 B)False

Question 18

What might be an outcome of large-scale clear-cutting?

Accepted Answer

A)  increased biodiversity 
B)  decreased water pollution 
C)  flood prevention 
D)  habitat fragmentation 
A)  increased biodiversity 
B)  decreased water pollution 
C)  flood prevention 
D)  habitat fragmentation

Question 19

What is the largest forest region in Canada?

Accepted Answer

A)  the boreal forest 
B)  the subalpine forest 
C)  the aspen parkland 
D)  the taiga forest 
A)  the boreal forest 
B)  the subalpine forest 
C)  the aspen parkland 
D)  the taiga forest

Question 20

Why are wilderness areas needed?

Accepted Answer

A)  to preserve biological diversity 
B)  for the high number of recreational users 
C)  to improve sustainable timber production 
D)  to improve sustainable organic agriculture 
A)  to preserve biological diversity 
B)  for the high number of recreational users 
C)  to improve sustainable timber production 
D)  to improve sustainable organic agriculture

Exam 11: Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

What might be an outcome of clear-cutting?

What is the most destructive type of fire in a forest?

TREES -Which letter in the diagram corresponds to the method that has the maximum economic return in the shortest amount of time?

What is the greatest threat to the world's national parks?

What is a characteristic of a forested watershed?

Tropical deforestation is a major concern throughout the world; reversing tropical deforestation would protect biodiversity,slow global warming,and help to make the important ecological and economic services of these forests sustainable.

Which term refers to the removal of all trees from a given area in a single cutting to establish a new,even-aged stand?

TREES -Which letter in the diagram corresponds to the method in which an appropriate number of individual trees are left standing across an area to provide seed for the production of the next crop of trees?

Second-growth forests are the largest of the three major forest types because of the ecological success of governmental and environmental mandates.

Climate change and loss of biodiversity are indirect effects of an increase in the ____________________ population.

Which of the following statements is NOT true regarding tropical need trees?

What results from burning tropical forests?

What would a conservation biologist say is the smartest ecological and economic way to protect trees from insects and disease?

Human activity has contributed significantly to the premature extinction of some species.

What is NOT characteristic of second-growth forest?

Which statement characterizes tropical rain forests?

The establishment of public lands by governments helps lessen the impacts that humans have on the Earth's ecosystems.

What might be an outcome of large-scale clear-cutting?

What is the largest forest region in Canada?

Why are wilderness areas needed?

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

Science, systems, matter, and Energy

Ecosystems: What Are They, and How Do They Work

Evolution and Biodiversity

Climate and Terrestrial Biodiversity

Aquatic Biodiversity

Community Ecology

Population Ecology

Applying Population Ecology: the Human Population

Sustaining Biodiversity: the Species Approach

Sustaining Aquatic Biodiversity

Food and Soil Resources

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Risk,toxicology,and Human Health

Air Pollution

Climate Change and Ozone Loss

Water Pollution

Pest Management

Solid and Hazardous Waste

Sustainable Cities

Economics, environment, and Sustainability

Politics, environment, and Sustainability

Environmental World-views, ethics, and Sustainability

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