Question 1

Which of the following is consistent with forest fragmentation research?

Accepted Answer

A)  Productivity is the same in both fragmented forests and forest interiors. 
B)  Edge communities consistently have low species diversity. 
C)  Forest-interior species show declines in small patch communities. 
D)  New-edge species that migrate in do not seem to compete with forest species and often increase biodiversity in fragmented forests. 
E)  Species diversity is always lower in fragmented forests when compared to forest interiors in the same region. 
A)  Productivity is the same in both fragmented forests and forest interiors. 
B)  Edge communities consistently have low species diversity. 
C)  Forest-interior species show declines in small patch communities. 
D)  New-edge species that migrate in do not seem to compete with forest species and often increase biodiversity in fragmented forests. 
E)  Species diversity is always lower in fragmented forests when compared to forest interiors in the same region.

Question 2

Which of the following refers to the reflecting and absorption of infrared radiation by atmospheric methane, carbon dioxide, and water?

Accepted Answer

A)  depletion of ozone layer 
B)  acid precipitation 
C)  biological magnification 
D)  greenhouse effect 
E)  eutrophication 
A)  depletion of ozone layer 
B)  acid precipitation 
C)  biological magnification 
D)  greenhouse effect 
E)  eutrophication

Question 3

What is a critical load?

Accepted Answer

A)  the amount of nutrient augmentation necessary to bring a depleted habitat back to its former level 
B)  the level of a given toxin in an ecosystem that is lethal to 50% of the species present 
C)  the maximum abundance level of a particular species, beyond which additional numbers will degrade a habitat 
D)  the amount of added nutrient that can be absorbed by plants without damaging ecosystem integrity 
E)  the number of predators an ecosystem can support that effectively culls prey populations to healthy levels 
A)  the amount of nutrient augmentation necessary to bring a depleted habitat back to its former level 
B)  the level of a given toxin in an ecosystem that is lethal to 50% of the species present 
C)  the maximum abundance level of a particular species, beyond which additional numbers will degrade a habitat 
D)  the amount of added nutrient that can be absorbed by plants without damaging ecosystem integrity 
E)  the number of predators an ecosystem can support that effectively culls prey populations to healthy levels

Question 4

Which of the following ecological locations has the greatest species diversity?

Accepted Answer

A)  tundra 
B)  deciduous forests 
C)  tropical rain forest 
D)  grasslands 
E)  islands 
A)  tundra 
B)  deciduous forests 
C)  tropical rain forest 
D)  grasslands 
E)  islands

Question 5

Which of the following is a type of research in which a conservation biologist would be involved?

Accepted Answer

A)  reestablishing whooping cranes in their former breeding grounds in North Dakota 
B)  studying species diversity and interaction in the Florida Everglades, past and present 
C)  studying the population ecology of grizzly bears in Yellowstone National Park 
D)  determining the effects of hunting white-tailed deer in Vermont 
E)  All of the options are correct. 
A)  reestablishing whooping cranes in their former breeding grounds in North Dakota 
B)  studying species diversity and interaction in the Florida Everglades, past and present 
C)  studying the population ecology of grizzly bears in Yellowstone National Park 
D)  determining the effects of hunting white-tailed deer in Vermont 
E)  All of the options are correct.

Question 6

According to the small-population approach, what would be the best strategy for saving a population from extirpation?

Accepted Answer

A)  determining the minimum viable population size by taking into account the effective population size 
B)  establishing a nature reserve to protect its habitat 
C)  introducing individuals from other populations to increase genetic variation 
D)  determining and remedying the cause of its decline 
E)  reducing the population size of its predators and competitors 
A)  determining the minimum viable population size by taking into account the effective population size 
B)  establishing a nature reserve to protect its habitat 
C)  introducing individuals from other populations to increase genetic variation 
D)  determining and remedying the cause of its decline 
E)  reducing the population size of its predators and competitors

Question 7

The long-term problem with red-cockaded woodpecker habitat intervention in the southeastern United States is

Accepted Answer

A)  the only habitat that can support their recovery is large tracts of mature oak forest. 
B)  the mature pine forests in which they live cannot ever be subjected to forest fire. 
C)  all of the appropriate red-cockaded woodpecker habitat has already been logged or converted to agricultural land. 
D)  the social organization of the red-cockaded woodpecker precludes the dispersal of reproductive individuals. 
E)  what habitat remains for the red-cockaded woodpecker does not contain trees suitable for nest-cavity construction. 
A)  the only habitat that can support their recovery is large tracts of mature oak forest. 
B)  the mature pine forests in which they live cannot ever be subjected to forest fire. 
C)  all of the appropriate red-cockaded woodpecker habitat has already been logged or converted to agricultural land. 
D)  the social organization of the red-cockaded woodpecker precludes the dispersal of reproductive individuals. 
E)  what habitat remains for the red-cockaded woodpecker does not contain trees suitable for nest-cavity construction.

Question 8

What term did E. O. Wilson coin for our innate appreciation of wild environments and living organisms?

Accepted Answer

A)  bioremediation 
B)  bioethics 
C)  biophilia 
D)  biophobia 
E)  landscape ecology 
A)  bioremediation 
B)  bioethics 
C)  biophilia 
D)  biophobia 
E)  landscape ecology

Question 9

What is the biggest problem with selecting a site for a preserve?

Accepted Answer

A)  There is always a conflict about use of land set aside for preservation. 
B)  Making a proper selection is difficult because the current environmental conditions of almost any site may change in the future because of climate change or other factors. 
C)  Keystone species are difficult to identify in potential preserve sites. 
D)  Only lands that are not useful to human activities are available for preserves. 
E)  Most of the best sites are inaccessible by land transportation, so making roads to them is often prohibitively expensive. 
A)  There is always a conflict about use of land set aside for preservation. 
B)  Making a proper selection is difficult because the current environmental conditions of almost any site may change in the future because of climate change or other factors. 
C)  Keystone species are difficult to identify in potential preserve sites. 
D)  Only lands that are not useful to human activities are available for preserves. 
E)  Most of the best sites are inaccessible by land transportation, so making roads to them is often prohibitively expensive.

Question 10

How is habitat fragmentation related to biodiversity loss?

Accepted Answer

A)  Less carbon dioxide is absorbed by plants in fragmented habitats. 
B)  In fragmented habitats, more soil erosion takes place. 
C)  Populations of organisms in fragments are smaller, and thus more susceptible to extinction. 
D)  Animals are forced out of smaller habitat fragments. 
E)  Fragments generate silt that negatively affects sensitive river and stream organisms. 
A)  Less carbon dioxide is absorbed by plants in fragmented habitats. 
B)  In fragmented habitats, more soil erosion takes place. 
C)  Populations of organisms in fragments are smaller, and thus more susceptible to extinction. 
D)  Animals are forced out of smaller habitat fragments. 
E)  Fragments generate silt that negatively affects sensitive river and stream organisms.

Exam 43: Global Ecology and Conservation Biology

Which of the following is consistent with forest fragmentation research?

Which of the following refers to the reflecting and absorption of infrared radiation by atmospheric methane, carbon dioxide, and water?

What is a critical load?

Which of the following ecological locations has the greatest species diversity?

Which of the following is a type of research in which a conservation biologist would be involved?

According to the small-population approach, what would be the best strategy for saving a population from extirpation?

The long-term problem with red-cockaded woodpecker habitat intervention in the southeastern United States is

What term did E. O. Wilson coin for our innate appreciation of wild environments and living organisms?

What is the biggest problem with selecting a site for a preserve?

How is habitat fragmentation related to biodiversity loss?

Introduction: Evolution and the Foundations of Biology

The Chemical Context of Life

Carbon and the Molecular Diversity of Life

A Tour of the Cell

Membrane Transport and Cell Signaling

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

Gene Expression: From Gene to Protein

Regulation of Gene Expression

Development, Stem Cells, and Cancer

Viruses

Genomes and Their Evolution

Descent With Modification

Phylogeny

The Evolution of Populations

The Origin of Species

Broad Patterns of Evolution

Early Life and the Diversification of Prokaryotes

The Origin and Diversification of Eukaryotes

The Colonization of Land by Plants and Fungi

The Rise of Animal Diversity

Plant Structure and Growth

Resource Acquisition, Nutrition, and Transport in Vascular Plants

Reproduction and Domestication of Flowering Plants

Plant Responses to Internal and External Signals

Homeostasis and Endocrine Signaling

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Reproduction and Development

Neurons, Synapses, and Signaling

Nervous and Sensory Systems

Motor Mechanisms and Behavior

Population Ecology and the Distribution of Organisms

Species Interactions

Ecosystems and Energy

Filters