Question 1

Biodiversity is described in terms of genetic, community, and landscape diversity.

Accepted Answer

A) True 
 B)False  True

Question 2

In which of these landscape patches are species most subject to the edge effect. Explain your answer.

Accepted Answer

The species living in the smallest patch are most subject to the edge effect. As the patches decrease in size, there is an increasing percentage of patch influenced by edge effects. Less of the area remains the typical, favorable, and effective habitat as a greater percentage of the habitat becomes slightly different from the interior of the patch.

Question 3

Identify the 5 main human influenced causes of extinction, starting with the cause with the greatest impact and moving towards the lowest impact.

Accepted Answer

Greatest impact- habitat loss
exotic species
pollution
overexploitation
Least impact - disease

Question 4

What is the main reason for the changes that are occurring in the Earth's climate?

Accepted Answer

A)  Large scale deforestation 
B)  Disruption of the waste recycling by decomposers 
C)  Over harvesting of wild species for consumptive value 
D)  Drainage of wetlands producing a disruption of water purification 
E)  An increase in soil erosion leading to siltation of rivers and estuaries 
A)  Large scale deforestation 
B)  Disruption of the waste recycling by decomposers 
C)  Over harvesting of wild species for consumptive value 
D)  Drainage of wetlands producing a disruption of water purification 
E)  An increase in soil erosion leading to siltation of rivers and estuaries

Question 5

Which of the following species is both a keystone species and a flagship species?

Accepted Answer

A)  grizzly bear 
B)  panda 
C)  beaver 
D)  dolphin 
E)  alligator 
A)  grizzly bear 
B)  panda 
C)  beaver 
D)  dolphin 
E)  alligator

Question 6

Which of the following is not a human induced cause of extinction?

Accepted Answer

A)  exotic species 
B)  habitat loss 
C)  eutrophication 
D)  ozone depletion 
E)  outcompeted by another species in the same ecosystem 
A)  exotic species 
B)  habitat loss 
C)  eutrophication 
D)  ozone depletion 
E)  outcompeted by another species in the same ecosystem

Question 7

The science of collecting, analyzing, and making readily available biological information is

Accepted Answer

A)  habitat restoration planning. 
B)  landscape preservation. 
C)  bioinformatics. 
D)  a population viability analysis. 
A)  habitat restoration planning. 
B)  landscape preservation. 
C)  bioinformatics. 
D)  a population viability analysis.

Question 8

Describe the sequence of problems associated with tropical rainforest destruction.

Accepted Answer

Settlement in the rainforests are usuall

Question 9

During habitat preservation landscape preservation is often intended for one particular organism but may benefit others.

Accepted Answer

A) True 
 B)False

Question 10

Madagascar is considered a biodiversity "hotspot" because

Accepted Answer

A)  it originated as a volcanic island. 
B)  it has lost nearly all of its native species to extinction. 
C)  it contains an unusually high concentration of species. 
D)  it has resisted habitat destruction that has caused extinctions elsewhere. 
E)  All of the choices are correct. 
A)  it originated as a volcanic island. 
B)  it has lost nearly all of its native species to extinction. 
C)  it contains an unusually high concentration of species. 
D)  it has resisted habitat destruction that has caused extinctions elsewhere. 
E)  All of the choices are correct.

Question 11

Which of the following preservation tactics would have the greatest impact on saving the largest number of species?

Accepted Answer

A)  Preserve a large tract of land that contains source populations of keystone species. 
B)  Preserve several small tracts of land that contain source populations of keystone species. 
C)  Preserve a large tract of land that contains sink populations of keystone species. 
D)  Preserve a large tract of land that contains source populations of flagship species. 
E)  Preserve multiple small tracts of land that each contain source populations of keystone species. 
A)  Preserve a large tract of land that contains source populations of keystone species. 
B)  Preserve several small tracts of land that contain source populations of keystone species. 
C)  Preserve a large tract of land that contains sink populations of keystone species. 
D)  Preserve a large tract of land that contains source populations of flagship species. 
E)  Preserve multiple small tracts of land that each contain source populations of keystone species.

Question 12

The use of wheat, corn, rice and other crops derived from wild ancestors is an example of the _______ value of biodiversity.

Accepted Answer

A)  agricultural 
B)  medicinal 
C)  consumptive use 
D)  climatic regulation 
A)  agricultural 
B)  medicinal 
C)  consumptive use 
D)  climatic regulation

Question 13

Sustainable development is a pattern of resource use that attempts to preserve the environment while meeting the needs of humans in the present and future.

Accepted Answer

A) True 
 B)False

Question 14

_______ is (are) associated with 85% of the cases of threatened and endangered species.

Accepted Answer

A)  Pollution 
B)  Habitat loss 
C)  Overexploitation 
D)  Disease 
E)  Exotic species 
A)  Pollution 
B)  Habitat loss 
C)  Overexploitation 
D)  Disease 
E)  Exotic species

Question 15

Which value of biodiversity in an ecosystem will benefit endangered species the most?

Accepted Answer

A)  consumptive value 
B)  medicinal value 
C)  ecotourism 
D)  agricultural value 
E)  regulation of climate 
A)  consumptive value 
B)  medicinal value 
C)  ecotourism 
D)  agricultural value 
E)  regulation of climate

Question 16

In spite of hundreds of millions of dollars spent on insecticides targeted at pest control for agricultural and medical purposes, man has been unable to drive any to extinction. On the other hand, the extinction of many species of birds, fishes, plants, and insects species have occurred as a result of

Accepted Answer

A)  hunting. 
B)  farming. 
C)  disease. 
D)  habitat destruction. 
E)  scientific collecting. 
A)  hunting. 
B)  farming. 
C)  disease. 
D)  habitat destruction. 
E)  scientific collecting.

Question 17

What is the primary goal of conservation biology?

Accepted Answer

A)  Management of the Earth's biodiversity. 
B)  Discovery of new sources of food and medicines. 
C)  Preservation of crucial habitat for the benefit of multiple species. 
D)  Balance the needs of the human population against the rest of the species on Earth. 
E)  Identify the most endangered and threatened species so efforts can be made to protect them. 
A)  Management of the Earth's biodiversity. 
B)  Discovery of new sources of food and medicines. 
C)  Preservation of crucial habitat for the benefit of multiple species. 
D)  Balance the needs of the human population against the rest of the species on Earth. 
E)  Identify the most endangered and threatened species so efforts can be made to protect them.

Question 18

Which of the following are characteristics of a keystone species?

Accepted Answer

A)  They influence the diversity of the community. 
B)  They evoke an emotional response in people. 
C)  They have a very large population. 
D)  They are always mammals. 
E)  None of these are characteristics of keystone species. 
A)  They influence the diversity of the community. 
B)  They evoke an emotional response in people. 
C)  They have a very large population. 
D)  They are always mammals. 
E)  None of these are characteristics of keystone species.

Question 19

Biodiversity is a resource of immense value. All of the following are ways in which biodiversity is directly valuable to humans EXCEPT

Accepted Answer

A)  agricultural. 
B)  medicinal. 
C)  consumptive use. 
D)  contributions to biogeochemical cycles. 
A)  agricultural. 
B)  medicinal. 
C)  consumptive use. 
D)  contributions to biogeochemical cycles.

Question 20

If all of the endangered plant and animal species in the United States were to go extinct the Earth's biodiversity would decrease by _________.

Accepted Answer

A)  approximately .007% 
B)  approximately 2.3% 
C)  approximately 10% 
D)  approximately 3.4% 
E)  approximately 16.2% 
A)  approximately .007% 
B)  approximately 2.3% 
C)  approximately 10% 
D)  approximately 3.4% 
E)  approximately 16.2%

Exam 47: Conservation of Biodiversity

Biodiversity is described in terms of genetic, community, and landscape diversity.

In which of these landscape patches are species most subject to the edge effect. Explain your answer.

Identify the 5 main human influenced causes of extinction, starting with the cause with the greatest impact and moving towards the lowest impact.

What is the main reason for the changes that are occurring in the Earth's climate?

Which of the following species is both a keystone species and a flagship species?

Which of the following is not a human induced cause of extinction?

The science of collecting, analyzing, and making readily available biological information is

Describe the sequence of problems associated with tropical rainforest destruction.

During habitat preservation landscape preservation is often intended for one particular organism but may benefit others.

Madagascar is considered a biodiversity "hotspot" because

Which of the following preservation tactics would have the greatest impact on saving the largest number of species?

The use of wheat, corn, rice and other crops derived from wild ancestors is an example of the _______ value of biodiversity.

Sustainable development is a pattern of resource use that attempts to preserve the environment while meeting the needs of humans in the present and future.

_______ is (are) associated with 85% of the cases of threatened and endangered species.

Which value of biodiversity in an ecosystem will benefit endangered species the most?

What is the primary goal of conservation biology?

Which of the following are characteristics of a keystone species?

Biodiversity is a resource of immense value. All of the following are ways in which biodiversity is directly valuable to humans EXCEPT

If all of the endangered plant and animal species in the United States were to go extinct the Earth's biodiversity would decrease by _________.

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy, Systematics, and Phylogeny

Viruses, Bacteria, and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structureand Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

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