Question 1

Which of the following organisms has the greatest anthropocentric value?

Accepted Answer

A)  salmon
B)  termites
C)  mosquitoes
D)  lichens

Question 2

The structure and maintenance of all ecosystems results from the

Accepted Answer

A)  bacteria,fungi and sols in that ecosystem.
B)  types of plants in that ecosystem.
C)  types of animals in that ecosystem.
D)  the totality of organisms in that ecosystem.

Question 3

The search is on as the evidence from ethnobotany reveals the genetic potential of wild plants to produce chemicals of medical significance.The scientists exploring the medicinal use of plants by indigenous peoples throughout the world are engaged in

Accepted Answer

A)  bioengineering.
B)  transnational corporations.
C)  bioprospecting.
D)  creating seed banks.

Question 4

The philosophy of the Endangered Species Act primarily reflects

Accepted Answer

A)  anthropocentric values.
B)  instrumental values.
C)  intrinsic values.
D)  economic interests.

Question 5

Some drugs that are currently used with great success to treat cancer and viral infections

Accepted Answer

A)  are derived from wild plants.
B)  represent the intrinsic value of wild species.
C)  are derived from cultivars that combine together traits of several other plants.
D)  were discovered as mutations in the development of new cultivars of wheat.

Question 6

One challenge to the protection of endangered animal species from overexploitation for commercial purposes,such as rhinoceros horns,is that as a species becomes increasingly rare,

Accepted Answer

A)  the laws protecting that species tend to become even more restrictive.
B)  the price of illegal animal products increases.
C)  it is more difficult for poachers to capture the animal.
D)  fewer poachers may search for the endangered animal.

Question 7

The removal of the Bald Eagle from the Endangered Species List best illustrates good

Accepted Answer

A)  ecological restoration
B)  management of biodiversity hot spots
C)  private financial investment in conservation programs.
D)  stewardship reflected in wise environmental policies.

Question 8

The best way to sustainably manage natural environments is to

Accepted Answer

A)  maintain the interactions between the members of the ecosystem.
B)  stop hunting animals and harvesting the fruits of the plants in the ecosystem.
C)  minimize the impact of natural disasters,such as fires and storms.
D)  carefully limit the growth of the major carnivores and herbivores in the ecosystem.

Question 9

Recent events indicate that when permission for exemption from the CITES agreement is granted to allow the sale of legally collected ivory,

Accepted Answer

A)  there is no longer a market for elephant ivory.
B)  the elephant population increases.
C)  the sale of poached ivory decreases.
D)  the sale of poached ivory increases.

Question 10

The ability of scientists to understand the natural relationships between organisms and their environments depends upon the

Accepted Answer

A)  institutional value of the organisms in the ecosystem.
B)  development of bioengineered organisms.
C)  instrumental value of the natural resources in the region.
D)  availability and preservation of undisturbed regions in the world.

Question 11

Which of the following represents a habitat intrusion in the United States that kills at least 5 million individual birds annually?

Accepted Answer

A)  offshore oil exploration and drilling platforms
B)  telecommunications towers
C)  construction and repair of highways
D)  barges and ships on lakes,rivers,and oceans

Question 12

Which of the following concepts are most closely associated to each other?

Accepted Answer

A)  biological wealth and introduced species
B)  biological wealth and biodiversity
C)  anthropocentric values and extinction
D)  intrinsic value and anthropocentric value

Question 13

In general,biodiversity is

Accepted Answer

A)  fairly evenly spread among all of the major groups of animals and plants.
B)  accurately quantified for most ecosystems.
C)  75% plant species and 25% animal species.
D)  declining in the United States and around the world.

Question 14

The greatest biodiversity would be in an ecosystem with the same number of species as other ecosystems but which has

Accepted Answer

A)  no dominant species.
B)  a single dominant species.
C)  more consumers species than producer species.
D)  several dominant species in intense competition with each other.

Question 15

The main instrumental value of biological diversity is the

Accepted Answer

A)  ability of organisms to adapt to fluctuations in their natural environments.
B)  ability of natural ecosystems to respond to natural disasters.
C)  joy that humans gain from their beauty in nature.
D)  the potential for new types of domesticated animals and plants.

Question 16

Passed in 1900,the most significant legislation to protect wildlife from illegal killing or sale is the

Accepted Answer

A)  Endangered Species Act.
B)  Lacey Act.
C)  Threatened and Endangered Species Recovery Act.
D)  Wildlife Protection Act.

Question 17

Which of the following represents the greatest conservation of the genetic bank?

Accepted Answer

A)  the human genome center,analyzing the components of the human genome
B)  the MSB and Svalbard seed banks storing seeds of thousands of plants from around the world
C)  the field of proteomics,investigating the many ways the proteins function in organisms
D)  all of the varieties of corn,wheat,and rice currently serving as crops

Question 18

The Endangered Species Act

Accepted Answer

A)  has been subject to political pressures and now operates on year-to-year budget extensions.
B)  protects only those species that are of great economic significance.
C)  must take into consideration the economic impact of the species listed.
D)  expired in 1992 and has since been replaced by increased hunting and fishing regulations.

Question 19

Compared to the long-term historical average rate of extinction,extinction rates today are

Accepted Answer

A)  lower.
B)  about the same.
C)  higher.
D)  changing from higher to lower rates in the past century.

Question 20

A taxonomist would be most helpful in determining

Accepted Answer

A)  naming and classifying the number of insect species in a particular part of a rain forest.
B)  the best way to manage a population of endangered birds.
C)  how to increase the diversity of species in a national park.
D)  the amount of fish that can be harvested annually to maintain sustainable populations.

Exam 6: Wild Species and Biodiversity

Which of the following represents the greatest conservation of the genetic bank?

Correct AnswerverifiedShow Answer

Which of the following concepts are most closely associated to each other?

Correct AnswerverifiedShow Answer

Passed in 1900,the most significant legislation to protect wildlife from illegal killing or sale is the

Correct AnswerverifiedShow Answer

The search is on as the evidence from ethnobotany reveals the genetic potential of wild plants to produce chemicals of medical significance.The scientists exploring the medicinal use of plants by indigenous peoples throughout the world are engaged in

Correct AnswerverifiedShow Answer

One challenge to the protection of endangered animal species from overexploitation for commercial purposes,such as rhinoceros horns,is that as a species becomes increasingly rare,

Correct AnswerverifiedShow Answer

The philosophy of the Endangered Species Act primarily reflects

Correct AnswerverifiedShow Answer

Some drugs that are currently used with great success to treat cancer and viral infections

Correct AnswerverifiedShow Answer

The greatest biodiversity would be in an ecosystem with the same number of species as other ecosystems but which has

Correct AnswerverifiedShow Answer

Compared to the long-term historical average rate of extinction,extinction rates today are

Correct AnswerverifiedShow Answer

The removal of the Bald Eagle from the Endangered Species List best illustrates good

Correct AnswerverifiedShow Answer

Recent events indicate that when permission for exemption from the CITES agreement is granted to allow the sale of legally collected ivory,

Correct AnswerverifiedShow Answer

The Endangered Species Act

Correct AnswerverifiedShow Answer

The ability of scientists to understand the natural relationships between organisms and their environments depends upon the

Correct AnswerverifiedShow Answer

The best way to sustainably manage natural environments is to

Correct AnswerverifiedShow Answer

A taxonomist would be most helpful in determining

Correct AnswerverifiedShow Answer

In general,biodiversity is

Correct AnswerverifiedShow Answer

Which of the following represents a habitat intrusion in the United States that kills at least 5 million individual birds annually?

Correct AnswerverifiedShow Answer

Which of the following organisms has the greatest anthropocentric value?

Correct AnswerverifiedShow Answer

The main instrumental value of biological diversity is the

Correct AnswerverifiedShow Answer

The structure and maintenance of all ecosystems results from the

Correct AnswerverifiedShow Answer

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