Question 1

-The photograph reveals the border of two countries.Compared to the country on the left,the country on the right is more likely to have

Accepted Answer

A) higher rates of human population growth. 
B) higher rates of poverty. 
C) greater political and economic stability. 
D) greater reliance upon natural ecosystems for trade. 
A) higher rates of human population growth. 
B) higher rates of poverty. 
C) greater political and economic stability. 
D) greater reliance upon natural ecosystems for trade. C

Question 2

Over the past 12,000 years,the greatest loss of biological wealth has resulted from the

Accepted Answer

A) conversion of natural ecosystems to modern agriculture. 
B) movement of human products down rivers and across oceans. 
C) extraction of oil and mineral from reserves buried deeply underground. 
D) use of deep aquifers,lakes,and rivers as sources of freshwater. 
A) conversion of natural ecosystems to modern agriculture. 
B) movement of human products down rivers and across oceans. 
C) extraction of oil and mineral from reserves buried deeply underground. 
D) use of deep aquifers,lakes,and rivers as sources of freshwater. A

Question 3

Which of the following would most likely have the greatest impact on a large ecosystem?

Accepted Answer

A) loss of a keystone species from the ecosystem 
B) construction of a two-lane gravel road through the middle of the ecosystem 
C) construction of a lodge and trails to permit better access for ecotourists 
D) allow the ecosystem to burn on a natural cycle 
A) loss of a keystone species from the ecosystem 
B) construction of a two-lane gravel road through the middle of the ecosystem 
C) construction of a lodge and trails to permit better access for ecotourists 
D) allow the ecosystem to burn on a natural cycle A

Question 4

The Convention on Biological Diversity is an international treaty

Accepted Answer

A) ratified by the United States to globally limit the loss of biodiversity. 
B) ratified by the United States to limit the international trade of endangered species. 
C) that aims to conserve biological diversity worldwide but has not been ratified in the United States. 
D) that would purchase all endangered species habitats in the world but has not been ratified in the United States. 
A) ratified by the United States to globally limit the loss of biodiversity. 
B) ratified by the United States to limit the international trade of endangered species. 
C) that aims to conserve biological diversity worldwide but has not been ratified in the United States. 
D) that would purchase all endangered species habitats in the world but has not been ratified in the United States.

Question 5

The loss of biodiversity most severely affects

Accepted Answer

A) developed nations of the world. 
B) the wealthiest people in the world. 
C) the poorest people in developing nations. 
D) the production of food in the developed world. 
A) developed nations of the world. 
B) the wealthiest people in the world. 
C) the poorest people in developing nations. 
D) the production of food in the developed world.

Question 6

The species most vulnerable to extinction are those that are

Accepted Answer

A) endemic and limited to a single population. 
B) endemic and widespread in several large regions. 
C) genetically diverse and found in many regions. 
D) widespread but are not dominant in an ecosystem. 
A) endemic and limited to a single population. 
B) endemic and widespread in several large regions. 
C) genetically diverse and found in many regions. 
D) widespread but are not dominant in an ecosystem.

Question 7

The primary habitat of the river dolphin is

Accepted Answer

A) uninhabited by humans. 
B) subject to periodic fires and drought. 
C) also inhabited by many other fresh water dolphin species. 
D) the Sundarbans,the world's largest mangrove forest. 
A) uninhabited by humans. 
B) subject to periodic fires and drought. 
C) also inhabited by many other fresh water dolphin species. 
D) the Sundarbans,the world's largest mangrove forest.

Question 8

According to the Global Biodiversity Outlook in 2010,groups showing highest extinction risk are

Accepted Answer

A) cycads and conifers 
B) birds,amphibians and freshwater fish 
C) corals and freshwater crabs 
D) invasive species in general 
A) cycads and conifers 
B) birds,amphibians and freshwater fish 
C) corals and freshwater crabs 
D) invasive species in general

Question 9

Which of the following is placing stress on the endangered Ganges River dolphin?

Accepted Answer

A) local people killing them for food 
B) pollution and competition for fish from fishermen 
C) invasive marine dolphins 
D) poaching for the pet trade 
A) local people killing them for food 
B) pollution and competition for fish from fishermen 
C) invasive marine dolphins 
D) poaching for the pet trade

Question 10

-The Great Sunflower Project

Accepted Answer

A) has the goal of restoring native sunflowers to areas in the Midwest where they are now extinct. 
B) invites local citizens to observe and document pollinators which are in decline. 
C) is attempting to preserve flower species by inserting into them genes from other species. 
D) is the basis of a large organic agriculture project involving flowers with edible seeds. 
A) has the goal of restoring native sunflowers to areas in the Midwest where they are now extinct. 
B) invites local citizens to observe and document pollinators which are in decline. 
C) is attempting to preserve flower species by inserting into them genes from other species. 
D) is the basis of a large organic agriculture project involving flowers with edible seeds.

Question 11

Wild plants often have greater resistance to parasites than domesticated plants because the wild plants experience

Accepted Answer

A) natural selection,while domesticated plants experience artificial selection. 
B) natural selection,while domesticated plants do not experience any selection. 
C) artificial selection,while domesticated plants experience natural selection. 
D) artificial selection,while domesticated plants do not experience any selection. 
A) natural selection,while domesticated plants experience artificial selection. 
B) natural selection,while domesticated plants do not experience any selection. 
C) artificial selection,while domesticated plants experience natural selection. 
D) artificial selection,while domesticated plants do not experience any selection.

Question 12

The world's wild species represent a warehouse of genetic diversity of instrumental value commonly called

Accepted Answer

A) the genetic bank. 
B) the agricultural genome project. 
C) a genome center. 
D) a chromosome concentration. 
A) the genetic bank. 
B) the agricultural genome project. 
C) a genome center. 
D) a chromosome concentration.

Question 13

If the red fire ant were accidentally introduced into California and spread widely throughout the state,we would expect

Accepted Answer

A) insect agricultural pests to decrease 
B) a decline in biodiversity. 
C) an increase in song bird populations 
D) that another species could be introduced that would control the population of ants. 
A) insect agricultural pests to decrease 
B) a decline in biodiversity. 
C) an increase in song bird populations 
D) that another species could be introduced that would control the population of ants.

Question 14

Which of the following ecosystems might be considered as a bank of biodiversity?

Accepted Answer

A) boreal forests 
B) tropical forests 
C) large lakes,such as the Great Lakes in North America 
D) Antarctica 
A) boreal forests 
B) tropical forests 
C) large lakes,such as the Great Lakes in North America 
D) Antarctica

Question 15

When cultivars require adaptations not currently in their genetics,plant breeders

Accepted Answer

A) may treat the seeds with chemicals that cause mutations,to try to generate new forms. 
B) often introduce traits found in wild varieties of the plant. 
C) may try to introduce genetic traits found in pests of the crops. 
D) use fertilizers to change the chemistry of the crops. 
A) may treat the seeds with chemicals that cause mutations,to try to generate new forms. 
B) often introduce traits found in wild varieties of the plant. 
C) may try to introduce genetic traits found in pests of the crops. 
D) use fertilizers to change the chemistry of the crops.

Question 16

The river dolphin hotspots being protected in Bangladesh are areas that

Accepted Answer

A) will protect dolphins from hunters. 
B) will provide food resources and breeding sites. 
C) no longer support river dolphin populations. 
D) are designed to allow heavy human fishing activities,as well as being dolphin refuges. 
A) will protect dolphins from hunters. 
B) will provide food resources and breeding sites. 
C) no longer support river dolphin populations. 
D) are designed to allow heavy human fishing activities,as well as being dolphin refuges.

Question 17

Wild turkeys,peregrine falcons,and snowy egrets are examples of birds that have

Accepted Answer

A) now gone extinct despite extensive efforts to save these species. 
B) very few individuals restricted to just a few small populations. 
C) all been severely impacted by the spread of the bird flu. 
D) recovered significantly since gaining legal protection. 
A) now gone extinct despite extensive efforts to save these species. 
B) very few individuals restricted to just a few small populations. 
C) all been severely impacted by the spread of the bird flu. 
D) recovered significantly since gaining legal protection.

Question 18

Only about 10 species have recovered significantly enough to be removed from the Endangered Species List.Recovery to this extent is limited because

Accepted Answer

A) the regulations protecting the species do not extend to private landowners. 
B) hunting of protected species often continues even after the organisms are listed. 
C) populations are already low and at high risk by the time they are listed. 
D) protecting the habitat of an endangered species is not as critical as once assumed. 
A) the regulations protecting the species do not extend to private landowners. 
B) hunting of protected species often continues even after the organisms are listed. 
C) populations are already low and at high risk by the time they are listed. 
D) protecting the habitat of an endangered species is not as critical as once assumed.

Question 19

In 1968,Garret Hardin described an environmental problem in which shared environmental resources may be depleted as individuals maximize their gains by disproportionately using the resource.He called this "The Tragedy of the Commons." Which of the following threats to biodiversity best reflect this "Tragedy of the Commons"?

Accepted Answer

A) the appearance of many deformed frogs from overuse of herbicides 
B) the accidental introduction of invasive species into North America 
C) the decline of fish populations due to overexploitation 
D) the fragmentation of natural habitat to build bridges and highways 
A) the appearance of many deformed frogs from overuse of herbicides 
B) the accidental introduction of invasive species into North America 
C) the decline of fish populations due to overexploitation 
D) the fragmentation of natural habitat to build bridges and highways

Question 20

The Endangered Species Act

Accepted Answer

A) protects critical habitats of endangered species,but cannot control privately held lands. 
B) includes species recovery plans intended to help listed species survive and thrive. 
C) currently protects animal but not plant species. 
D) has resulted in the recovery of more than 1,000 species that have been taken off the list. 
A) protects critical habitats of endangered species,but cannot control privately held lands. 
B) includes species recovery plans intended to help listed species survive and thrive. 
C) currently protects animal but not plant species. 
D) has resulted in the recovery of more than 1,000 species that have been taken off the list.

Exam 6: Wild Species and Biodiversity

-The photograph reveals the border of two countries.Compared to the country on the left,the country on the right is more likely to have

Over the past 12,000 years,the greatest loss of biological wealth has resulted from the

Which of the following would most likely have the greatest impact on a large ecosystem?

The Convention on Biological Diversity is an international treaty

The loss of biodiversity most severely affects

The species most vulnerable to extinction are those that are

The primary habitat of the river dolphin is

According to the Global Biodiversity Outlook in 2010,groups showing highest extinction risk are

Which of the following is placing stress on the endangered Ganges River dolphin?

-The Great Sunflower Project

Wild plants often have greater resistance to parasites than domesticated plants because the wild plants experience

The world's wild species represent a warehouse of genetic diversity of instrumental value commonly called

If the red fire ant were accidentally introduced into California and spread widely throughout the state,we would expect

Which of the following ecosystems might be considered as a bank of biodiversity?

When cultivars require adaptations not currently in their genetics,plant breeders

The river dolphin hotspots being protected in Bangladesh are areas that

Wild turkeys,peregrine falcons,and snowy egrets are examples of birds that have

Only about 10 species have recovered significantly enough to be removed from the Endangered Species List.Recovery to this extent is limited because

The Endangered Species Act

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