Question 1

What is a population viability analysis (PVA), and what predictions does it allow population biologists to make?

Accepted Answer

A PVA is a collection of information abo

Question 2

Sea otter populations were reduced by overhunting, allowing an overgrowth of one of their prey animals, the ____, which subsequently consumed and decimated ____.populations.

Accepted Answer

A)  crabs; shrimp 
B)  abalone; algae 
C)  sea urchin; kelp 
D)  harbor seals; fish 
E)  crab; kelp 
A)  crabs; shrimp 
B)  abalone; algae 
C)  sea urchin; kelp 
D)  harbor seals; fish 
E)  crab; kelp

Question 3

What is the significance of genetic variation?

Accepted Answer

A)  It influences population interactions. 
B)  It interacts within the biosphere. 
C)  It is the raw material for sexual reproduction. 
D)  It is the most fundamental level of species classification. 
E)  It is the raw material for adaptation, speciation, and evolution. 
A)  It influences population interactions. 
B)  It interacts within the biosphere. 
C)  It is the raw material for sexual reproduction. 
D)  It is the most fundamental level of species classification. 
E)  It is the raw material for adaptation, speciation, and evolution.

Question 4

Match between columns
                        Premises: Conservation of Pine Bush habitat near Albany, NY
An electric company building a hydroelectric dam pays people upstream not to deforest the watershed.
The Nature Conservancy buys up ecologically important tracts of land.
U.S. National Forest land may be leased by ranchers for grazing.
Replanting of trees in habitat corridors between forest fragments.

Accepted Answer

The Answer of mixed-use conservation and conservation through restoration and is...

Question 5

Match between columns
                        Premises: airborne pollutants from combustion of fossil fuels
excessive tapping of groundwater for irrigation, landscaping, and household use
use of drugs on domestic cattle poisoned native bird species
overexploitation
decline of native species due to competition by newly introduced species

Accepted Answer

The Answer of death of vultures and increase in populations is...

Question 6

Why have so few primates gone extinct compared to other species, such as mussels or birds?

Accepted Answer

A)  Primates have large brains. 
B)  Primates are not killed for food or other human uses. 
C)  Primates live in stable environments. 
D)  Primates are among the most closely monitored and protected species. 
E)  Primates are highly mobile. 
A)  Primates have large brains. 
B)  Primates are not killed for food or other human uses. 
C)  Primates live in stable environments. 
D)  Primates are among the most closely monitored and protected species. 
E)  Primates are highly mobile.

Question 7

The success of Chitwan National Park in Nepal is attributed primarily to ____.

Accepted Answer

A)  ecotourism 
B)  exclusion of local residents 
C)  ecosystem valuation 
D)  benefits provided to local residents 
E)  income derived through hunting 
A)  ecotourism 
B)  exclusion of local residents 
C)  ecosystem valuation 
D)  benefits provided to local residents 
E)  income derived through hunting

Question 8

The ____ and ____ of rivers are key determinants of their physical habitats.

Accepted Answer

A)  flow rate; volume 
B)  size; shape 
C)  flow rate; temperature 
D)  location; volume 
E)  biodiversity; species richness 
A)  flow rate; volume 
B)  size; shape 
C)  flow rate; temperature 
D)  location; volume 
E)  biodiversity; species richness

Question 9

More than 40% of the 595 sites of imminent extinction are ____.

Accepted Answer

A)  completely protected 
B)  already developed 
C)  unprotected 
D)  of large size 
E)  of small size 
A)  completely protected 
B)  already developed 
C)  unprotected 
D)  of large size 
E)  of small size

Question 10

Fungi and soil microorganisms provide ____ to ecosystems.

Accepted Answer

A)  provisioning services 
B)  regulating services 
C)  carbon sequestration 
D)  hybridization 
E)  support services 
A)  provisioning services 
B)  regulating services 
C)  carbon sequestration 
D)  hybridization 
E)  support services

Question 11

Worldwide declines in the population size of frogs have recently been linked to ____.

Accepted Answer

A)  overharvesting 
B)  a fungus 
C)  dams 
D)  decreases in global temperatures 
E)  increases in precipitation 
A)  overharvesting 
B)  a fungus 
C)  dams 
D)  decreases in global temperatures 
E)  increases in precipitation

Question 12

Which airborne pollutant contributes to global warming?

Accepted Answer

A)  carbon dioxide 
B)  ozone 
C)  mercury 
D)  sulfur dioxide 
E)  carbonic acid 
A)  carbon dioxide 
B)  ozone 
C)  mercury 
D)  sulfur dioxide 
E)  carbonic acid

Question 13

Which molecule dissolves in water vapor and falls as acid precipitation?

Accepted Answer

A)  sulfuric acid 
B)  ozone 
C)  mercury 
D)  sulfur dioxide 
E)  carbonic acid 
A)  sulfuric acid 
B)  ozone 
C)  mercury 
D)  sulfur dioxide 
E)  carbonic acid

Question 14

Why has Atlantic cod evolved to mature at a younger age and smaller size?

Accepted Answer

A)  DNA damage from radiation released accidentally from nuclear power plants 
B)  unknown causes 
C)  food competition from other predatory fish 
D)  intraspecies competition 
E)  overexploitation by fishing 
A)  DNA damage from radiation released accidentally from nuclear power plants 
B)  unknown causes 
C)  food competition from other predatory fish 
D)  intraspecies competition 
E)  overexploitation by fishing

Question 15

The introduction of Kudzu was inadvertent.

Accepted Answer

A) True 
 B)False

Question 16

Which event accounts for 20% of the greenhouse gases recorded annually?

Accepted Answer

A)  deforestation of dry tropical forests 
B)  deforestation of moist tropical forests 
C)  burning of fossil fuels 
D)  burning of coal 
E)  urbanization 
A)  deforestation of dry tropical forests 
B)  deforestation of moist tropical forests 
C)  burning of fossil fuels 
D)  burning of coal 
E)  urbanization

Question 17

Summarize the human social elements necessary to address when designing a conservation plan.

Accepted Answer

To be successful, a conservation plan mu

Question 18

How does reduced river connectivity affect aquatic species?

Accepted Answer

A)  It helps nonnative species establish in certain ecosystems. 
B)  It prevents species from migrating freely. 
C)  It reduces water temperature. 
D)  It increases river volume. 
E)  It assists species in long migrations. 
A)  It helps nonnative species establish in certain ecosystems. 
B)  It prevents species from migrating freely. 
C)  It reduces water temperature. 
D)  It increases river volume. 
E)  It assists species in long migrations.

Question 19

Which area of the United States experiences rainfall with the lowest pH?

Accepted Answer

A)  southwest 
B)  southeast 
C)  northeast 
D)  Midwest 
E)  northwest 
A)  southwest 
B)  southeast 
C)  northeast 
D)  Midwest 
E)  northwest

Question 20

Biodiversity hotspots are defined as areas where biodiversity is both ____ and ____.

Accepted Answer

A)  concentrated; endangered 
B)  researched; protected 
C)  low; increasing 
D)  overexploited; studied 
E)  low; declining 
A)  concentrated; endangered 
B)  researched; protected 
C)  low; increasing 
D)  overexploited; studied 
E)  low; declining

Exam 55: Biodiversity and Conservation Biology

What is a population viability analysis (PVA), and what predictions does it allow population biologists to make?

Sea otter populations were reduced by overhunting, allowing an overgrowth of one of their prey animals, the ____, which subsequently consumed and decimated ____.populations.

What is the significance of genetic variation?

Why have so few primates gone extinct compared to other species, such as mussels or birds?

The success of Chitwan National Park in Nepal is attributed primarily to ____.

The ____ and ____ of rivers are key determinants of their physical habitats.

More than 40% of the 595 sites of imminent extinction are ____.

Fungi and soil microorganisms provide ____ to ecosystems.

Worldwide declines in the population size of frogs have recently been linked to ____.

Which airborne pollutant contributes to global warming?

Which molecule dissolves in water vapor and falls as acid precipitation?

Why has Atlantic cod evolved to mature at a younger age and smaller size?

The introduction of Kudzu was inadvertent.

Which event accounts for 20% of the greenhouse gases recorded annually?

Summarize the human social elements necessary to address when designing a conservation plan.

How does reduced river connectivity affect aquatic species?

Which area of the United States experiences rainfall with the lowest pH?

Biodiversity hotspots are defined as areas where biodiversity is both ____ and ____.

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Animal Behavior

Filters

Sea otter populations were reduced by overhunting, allowing an overgrowth of one of their prey animals, the , which subsequently consumed and decimated .populations.

The and of rivers are key determinants of their physical habitats.

Biodiversity hotspots are defined as areas where biodiversity is both and .