Question 1

Preliminary studies indicate that biodiversity maximizes resource acquisition and retention within an ecosystem.

Accepted Answer

A) True 
 B)False  True

Question 2

Why is there great value in preserving biodiversity hotspots?

Accepted Answer

A) These spots have a large diversity of species in them. 
B) Preserved hotspots have a direct value to humans. 
C) Hotspots have an indirect value to humans. 
D) Biodiversity hotspots are a source of new medicines. 
E) All of these are values in preserving biodiversity hotspots. 
A) These spots have a large diversity of species in them. 
B) Preserved hotspots have a direct value to humans. 
C) Hotspots have an indirect value to humans. 
D) Biodiversity hotspots are a source of new medicines. 
E) All of these are values in preserving biodiversity hotspots. E

Question 3

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

Accepted Answer

A) True 
 B)False  True

Question 4

Conservation biology is a field that relies on multiple other disciplines to support it.

Accepted Answer

A) True 
 B)False

Question 5

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 6

Bacteria are the group in which there is the least amount of known and the fewest species recognized.

Accepted Answer

A) True 
 B)False

Question 7

Animals that are revered by humans due to their appearance or emotional ties are

Accepted Answer

A) flagship species. 
B) keystone species. 
C) endangered species. 
D) threatened species. 
A) flagship species. 
B) keystone species. 
C) endangered species. 
D) threatened species.

Question 8

Scientists estimate that at least 50-60% of all species now living will most likely become extinct in the next 20-50 years unless planned,coordinated action takes place.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following statements applies to an ecosystem with a high level of biodiversity?

Accepted Answer

A) The ecosystem will have a higher rate of photosynthesis than a comparable ecosystem with a low level of biodiversity. 
B) Resource partitioning will occur easier in an ecosystem that has a high level of biodiversity. 
C) The food web will be more complex and will have a greater number of connections within it. 
D) Areas of high biodiversity are economically more valuable than areas with limited biodiversity. 
E) All of these apply to an ecosystem with a high level of biodiversity. 
A) The ecosystem will have a higher rate of photosynthesis than a comparable ecosystem with a low level of biodiversity. 
B) Resource partitioning will occur easier in an ecosystem that has a high level of biodiversity. 
C) The food web will be more complex and will have a greater number of connections within it. 
D) Areas of high biodiversity are economically more valuable than areas with limited biodiversity. 
E) All of these apply to an ecosystem with a high level of biodiversity.

Question 10

Introduction of alien or exotic species into new ecosystems occurs by

Accepted Answer

A) colonization when new settlers arrive in an area. 
B) accidental transport by ship or plane without anyone's knowledge. 
C) agricultural and horticultural activities. 
D) All of the choices are correct. 
A) colonization when new settlers arrive in an area. 
B) accidental transport by ship or plane without anyone's knowledge. 
C) agricultural and horticultural activities. 
D) All of the choices are correct.

Question 11

Rosy periwinkle,the nine-banded armadillo,and some species of fungus and bacteria have _________ value to man.

Accepted Answer

A) agricultural 
B) medicinal 
C) consumptive use 
D) indirect 
E) no 
A) agricultural 
B) medicinal 
C) consumptive use 
D) indirect 
E) no

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Conservation biology supports all of the following ethical principles EXCEPT

Accepted Answer

A) biodiversity is desirable for the biosphere and humans. 
B) all animals have the same rights or legal status as humans. 
C) biodiversity has value in and of itself regardless of any practical human benefits. 
D) extinctions due to human actions are undesirable. 
E) the complex interactions of ecosystems support biodiversity and are desirable. 
A) biodiversity is desirable for the biosphere and humans. 
B) all animals have the same rights or legal status as humans. 
C) biodiversity has value in and of itself regardless of any practical human benefits. 
D) extinctions due to human actions are undesirable. 
E) the complex interactions of ecosystems support biodiversity and are desirable.

Question 14

Which of the following statements concerning the indirect values of biodiversity is NOT correct?

Accepted Answer

A) Trees take up carbon dioxide and release oxygen when they photosynthesize. 
B) Forests act as a sponge to soak up water and release it during drier periods. 
C) If biodiversity cannot maintain the biogeochemical cycles,then technology will have to artificially create those cycles. 
D) Diverse organisms are critical in breaking down wastes and immobilizing pollutants. 
E) All of the choices are correct.None of these statements are incorrect. 
A) Trees take up carbon dioxide and release oxygen when they photosynthesize. 
B) Forests act as a sponge to soak up water and release it during drier periods. 
C) If biodiversity cannot maintain the biogeochemical cycles,then technology will have to artificially create those cycles. 
D) Diverse organisms are critical in breaking down wastes and immobilizing pollutants. 
E) All of the choices are correct.None of these statements are incorrect.

Question 15

When the factors causing habitat decline are identified and a procedure is developed to remedy this,it is

Accepted Answer

A) the edge effect. 
B) a habitat restoration plan. 
C) a population viability analysis. 
D) a gap analysis. 
E) landscape dynamics. 
A) the edge effect. 
B) a habitat restoration plan. 
C) a population viability analysis. 
D) a gap analysis. 
E) landscape dynamics.

Question 16

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 17

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 18

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 19

The situation with major oceanic fishing areas is

Accepted Answer

A) good,since the oceans are so large,they are the one remaining natural ecosystem that is not susceptible to extinction. 
B) generally positive,with only one or two of the 15 major oceanic fishing areas over-exploited. 
C) generally negative,with 11 of the 15 major oceanic fishing areas overexploited. 
D) positive for the bottom dwellers that are protected but negative for the schools of swimming fish. 
E) negative for the bottom dwellers that are over-fished by trawling but positive for the schools of swimming fish that can easily get away. 
A) good,since the oceans are so large,they are the one remaining natural ecosystem that is not susceptible to extinction. 
B) generally positive,with only one or two of the 15 major oceanic fishing areas over-exploited. 
C) generally negative,with 11 of the 15 major oceanic fishing areas overexploited. 
D) positive for the bottom dwellers that are protected but negative for the schools of swimming fish. 
E) negative for the bottom dwellers that are over-fished by trawling but positive for the schools of swimming fish that can easily get away.

Question 20

Which of the following statements about extinction is TRUE?

Accepted Answer

A) Overexploitation by hunting and fishing is the major threat to tropical animals and plants. 
B) Without human activity,all species would survive and there would be no extinctions. 
C) Endangered wild species often become extinct due to different combinations of factors. 
D) Commercial hunting and fishing are careful not to deplete animal reserves. 
E) Introduction of new exotic species helps preserve biodiversity and slow extinction. 
A) Overexploitation by hunting and fishing is the major threat to tropical animals and plants. 
B) Without human activity,all species would survive and there would be no extinctions. 
C) Endangered wild species often become extinct due to different combinations of factors. 
D) Commercial hunting and fishing are careful not to deplete animal reserves. 
E) Introduction of new exotic species helps preserve biodiversity and slow extinction.

Exam 47: Conservation of Biodiversity

Preliminary studies indicate that biodiversity maximizes resource acquisition and retention within an ecosystem.

Why is there great value in preserving biodiversity hotspots?

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

Conservation biology is a field that relies on multiple other disciplines to support it.

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

Bacteria are the group in which there is the least amount of known and the fewest species recognized.

Animals that are revered by humans due to their appearance or emotional ties are

Scientists estimate that at least 50-60% of all species now living will most likely become extinct in the next 20-50 years unless planned,coordinated action takes place.

Which of the following statements applies to an ecosystem with a high level of biodiversity?

Introduction of alien or exotic species into new ecosystems occurs by

Rosy periwinkle,the nine-banded armadillo,and some species of fungus and bacteria have _________ value to man.

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

Conservation biology supports all of the following ethical principles EXCEPT

Which of the following statements concerning the indirect values of biodiversity is NOT correct?

When the factors causing habitat decline are identified and a procedure is developed to remedy this,it is

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

Madagascar is considered a biodiversity "hotspot" because

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

The situation with major oceanic fishing areas is

Which of the following statements about extinction is TRUE?

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: Structure and 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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