Question 1

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 2

Agricultural lands frequently require nutrient augmentation because

Accepted Answer

A)  nitrogen-fixing bacteria are not as plentiful in agricultural soils because of the use of pesticides. 
B)  the nutrients that become the biomass of plants are not cycled back to the soil on lands where they are harvested. 
C)  land that is available for agriculture tends to be nutrient-poor. 
D)  grains raised for feeding livestock must be fortified, and thus require additional nutrients. 
E)  cultivation of agricultural land inhibits the decomposition of organic matter. 
A)  nitrogen-fixing bacteria are not as plentiful in agricultural soils because of the use of pesticides. 
B)  the nutrients that become the biomass of plants are not cycled back to the soil on lands where they are harvested. 
C)  land that is available for agriculture tends to be nutrient-poor. 
D)  grains raised for feeding livestock must be fortified, and thus require additional nutrients. 
E)  cultivation of agricultural land inhibits the decomposition of organic matter.

Question 3

To better comprehend the magnitude of current extinctions, it will be necessary to

Accepted Answer

A)  monitor atmospheric carbon dioxide levels more closely. 
B)  differentiate between plant extinction and animal extinction numbers. 
C)  focus on identifying more species of mammals and birds. 
D)  identify more of the yet unknown species of organisms on Earth. 
E)  use the average extinction rates of vertebrates as a baseline. 
A)  monitor atmospheric carbon dioxide levels more closely. 
B)  differentiate between plant extinction and animal extinction numbers. 
C)  focus on identifying more species of mammals and birds. 
D)  identify more of the yet unknown species of organisms on Earth. 
E)  use the average extinction rates of vertebrates as a baseline.

Question 4

Estimates of current rates of extinction

Accepted Answer

A)  indicate that we have reached a state of stable equilibrium in which speciation rates equal extinction rates. 
B)  suggest that one-half of all animal and plant species may be gone by the year 2100. 
C)  indicate that rates may be greater than the mass extinctions at the close of the Cretaceous period. 
D)  indicate that only 1% of all of the species that have ever lived on Earth are still alive. 
E)  suggest that rates of extinction have decreased globally. 
A)  indicate that we have reached a state of stable equilibrium in which speciation rates equal extinction rates. 
B)  suggest that one-half of all animal and plant species may be gone by the year 2100. 
C)  indicate that rates may be greater than the mass extinctions at the close of the Cretaceous period. 
D)  indicate that only 1% of all of the species that have ever lived on Earth are still alive. 
E)  suggest that rates of extinction have decreased globally.

Question 5

Which of the following is a consequence of biological magnification?

Accepted Answer

A)  Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. 
B)  Populations of top-level predators are generally smaller than populations of primary consumers. 
C)  The biomass of producers in an ecosystem is generally higher than the biomass of primary consumers. 
D)  Only a small portion of the energy captured by producers is transferred to consumers. 
E)  The amount of biomass in the producer level of an ecosystem decreases if the producer turnover time increases. 
A)  Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. 
B)  Populations of top-level predators are generally smaller than populations of primary consumers. 
C)  The biomass of producers in an ecosystem is generally higher than the biomass of primary consumers. 
D)  Only a small portion of the energy captured by producers is transferred to consumers. 
E)  The amount of biomass in the producer level of an ecosystem decreases if the producer turnover time increases.

Question 6

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

Accepted Answer

A)  the only habitat that can support their recovery is large tracts of mature southern pine 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 southern pine 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 7

According to the small-population approach, what would be the best strategy for saving a population that is in an extinction vortex?

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

Exam 56: Conservation Biology and Global Change

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

Agricultural lands frequently require nutrient augmentation because

To better comprehend the magnitude of current extinctions, it will be necessary to

Estimates of current rates of extinction

Which of the following is a consequence of biological magnification?

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

According to the small-population approach, what would be the best strategy for saving a population that is in an extinction vortex?

Introduction: Themes in the Study of Life

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Regulation of Gene Expression

Viruses

Biotechnology

Genomes and Their Evolution

Descent with Modification: A Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity II: The Evolution of Seed Plants

Fungi

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Plant Structure, Growth, and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signaling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behavior

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

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