Question 1

What is conservation biology? Devise an in situ and an ex situ conservation plan for the preservation of the White Rhinoceros.

Accepted Answer

Conservation biology is the scientific s

Question 2

The irreversible elimination of a species from Earth is termed

Accepted Answer

A) the ecological cycle. 
B) decomposition. 
C) extinction. 
D) natural selection. 
E) succession. 
A) the ecological cycle. 
B) decomposition. 
C) extinction. 
D) natural selection. 
E) succession.

Question 3

What is the difference between background extinction and mass extinction?

Accepted Answer

A) background extinction is continuous and low-level; mass extinction occurs during a relatively short period of time and involves large numbers of species 
B) background extinction is indiscriminate; mass extinction targets particular species 
C) background extinction may be due to a human induced catastrophic event; mass extinction is a natural biological process 
D) background extinction has occurred 5-6 times throughout Earth's history; mass extinctions have occurred hundreds of times 
E) background extinction is a synonym for mass extinction 
A) background extinction is continuous and low-level; mass extinction occurs during a relatively short period of time and involves large numbers of species 
B) background extinction is indiscriminate; mass extinction targets particular species 
C) background extinction may be due to a human induced catastrophic event; mass extinction is a natural biological process 
D) background extinction has occurred 5-6 times throughout Earth's history; mass extinctions have occurred hundreds of times 
E) background extinction is a synonym for mass extinction

Question 4

The bottle of water that you are drinking may have been purified for you by a wetland or the root system of an entire forest. This is an example of

Accepted Answer

A) an ecosystem service. 
B) water succession. 
C) a biotic resource. 
D) resource repurposing. 
E) ecosystem repair. 
A) an ecosystem service. 
B) water succession. 
C) a biotic resource. 
D) resource repurposing. 
E) ecosystem repair.

Question 5

On June 28th, 2007 the bald eagle was removed from the federal list of threatened and endangered species. Suggest two possible factors that have contributed to bald eagle pairs increasing from 417 in 1963 to 9,250 pairs in 2006.

Accepted Answer

1.The return of the bald eagle is one of

Question 6

Individuals within all populations of a particular species each have a unique combination of traits. This broad genetic base is known as

Accepted Answer

A) genetic uniformity. 
B) genetic diversity. 
C) genetic engineering. 
D) genetic drift. 
E) genetic evolution. 
A) genetic uniformity. 
B) genetic diversity. 
C) genetic engineering. 
D) genetic drift. 
E) genetic evolution.

Question 7

All of the following are disadvantages of seed banks as a method of ex situ conservation except

Accepted Answer

A) some type of seeds cannot tolerate the process of drying that storage requires. 
B) seeds do not remain alive indefinitely. 
C) the process of growing, harvesting and returning seeds to storage is expensive. 
D) storing a large amount of plant genetic material takes up a lot of space. 
E) plants stored in this manner remain stagnant in an evolutionary sense. 
A) some type of seeds cannot tolerate the process of drying that storage requires. 
B) seeds do not remain alive indefinitely. 
C) the process of growing, harvesting and returning seeds to storage is expensive. 
D) storing a large amount of plant genetic material takes up a lot of space. 
E) plants stored in this manner remain stagnant in an evolutionary sense.

Question 8

Ecosystems with lower species richness

Accepted Answer

A) provide ecosystem uniformity. 
B) supply better ecosystem services. 
C) supply worst ecosystem services. 
D) create bioconsistency hotspots. 
E) set standards of species quality. 
A) provide ecosystem uniformity. 
B) supply better ecosystem services. 
C) supply worst ecosystem services. 
D) create bioconsistency hotspots. 
E) set standards of species quality.

Question 9

Currently, about 1600 species in the U.S. are listed as endangered or threatened. (a)Create a graph of the data from the chart below. Be sure to label the X and Y-axes. (b)Draw conclusions from the data that you graphed in part (a)as you compare and contrast any two of the animal categories.

Accepted Answer

@#IMG-DLM& @#IMG-DLM& @#LAT-DLM&Mammals and birds follow similar trend

Question 10

The National Wildlife Refuge is the most extensive network of lands and waters committed to wildlife habitats in the world.

Accepted Answer

A) True 
 B)False

Question 11

According to the graph below, how many bird species are supported by the most structurally complex areas?

Accepted Answer

A) 2 
B) 10 
C) 25 
D) 33 
E) 40 
A) 2 
B) 10 
C) 25 
D) 33 
E) 40

Question 12

The species richness of a community depends on all of the following factors except

Accepted Answer

A) the geological history of the region. 
B) the productivity of the ecosystem. 
C) the abundance of ecological niches. 
D) the quality of ecosystem services. 
E) the stability of the ecosystem. 
A) the geological history of the region. 
B) the productivity of the ecosystem. 
C) the abundance of ecological niches. 
D) the quality of ecosystem services. 
E) the stability of the ecosystem.

Question 13

Illegal commercial hunting, also called ______, endangers many larger animals, such as tigers, cheetah, and elephants.

Accepted Answer

The answer of Illegal commercial hunting, also called ______, endangers...

Question 14

What is biological diversity?
(a)What are three components that make up biological diversity? Explain what each of these components contributes.
(b)Discuss two ways to reverse the trend of declining biological diversity.

Accepted Answer

Biological diversity is the number and v

Question 15

The breakup of large areas of habitat into small, isolated patches known as ______, is a major threat to the survival of many species.

Accepted Answer

The answer of The breakup of large areas of habitat...

Question 16

Areas that have less structurally complex vegetation support more species.

Accepted Answer

A) True 
 B)False

Question 17

The mollusk pictured below is best described as

Accepted Answer

A) an invasive species that has caused billions of dollars in damage. 
B) a prized delicacy that is illegally hunted for commercial purposes. 
C) a model of a successful captive breeding program. 
D) a species that unregulated harvesting has driven to the brink of extinction. 
E) an ocean filter that regulates pollution of large bodies of water. 
A) an invasive species that has caused billions of dollars in damage. 
B) a prized delicacy that is illegally hunted for commercial purposes. 
C) a model of a successful captive breeding program. 
D) a species that unregulated harvesting has driven to the brink of extinction. 
E) an ocean filter that regulates pollution of large bodies of water.

Question 18

Define species richness and discuss two factors associated with high species richness.

Accepted Answer

Species richness is the number of differ

Question 19

The establishment of parks and reserves to preserve biological diversity in nature is an example of

Accepted Answer

A) in situ conservation. 
B) ex situ conservation. 
C) re situ conservation. 
D) a natural setting zoo. 
E) a seed bank. 
A) in situ conservation. 
B) ex situ conservation. 
C) re situ conservation. 
D) a natural setting zoo. 
E) a seed bank.

Question 20

A major challenge facing restoration ecologists is the

Accepted Answer

A) expense and time required to reclaim disturbed lands and convert them into areas with high biological diversity. 
B) relocation of human populations so that the land can be rehabilitated. 
C) enhancement of air quality to historical levels. 
D) frequency of fires due to climate changes. 
E) scarcity of open space needed for free ranging species. 
A) expense and time required to reclaim disturbed lands and convert them into areas with high biological diversity. 
B) relocation of human populations so that the land can be rehabilitated. 
C) enhancement of air quality to historical levels. 
D) frequency of fires due to climate changes. 
E) scarcity of open space needed for free ranging species.

What is conservation biology? Devise an in situ and an ex situ conservation plan for the preservation of the White Rhinoceros.

The irreversible elimination of a species from Earth is termed

What is the difference between background extinction and mass extinction?

The bottle of water that you are drinking may have been purified for you by a wetland or the root system of an entire forest. This is an example of

On June 28^th, 2007 the bald eagle was removed from the federal list of threatened and endangered species. Suggest two possible factors that have contributed to bald eagle pairs increasing from 417 in 1963 to 9,250 pairs in 2006.

Individuals within all populations of a particular species each have a unique combination of traits. This broad genetic base is known as

All of the following are disadvantages of seed banks as a method of ex situ conservation except

Ecosystems with lower species richness

Currently, about 1600 species in the U.S. are listed as endangered or threatened. (a)Create a graph of the data from the chart below. Be sure to label the X and Y-axes. (b)Draw conclusions from the data that you graphed in part (a)as you compare and contrast any two of the animal categories.

The National Wildlife Refuge is the most extensive network of lands and waters committed to wildlife habitats in the world.

According to the graph below, how many bird species are supported by the most structurally complex areas?

The species richness of a community depends on all of the following factors except

Illegal commercial hunting, also called ______, endangers many larger animals, such as tigers, cheetah, and elephants.

What is biological diversity? (a)What are three components that make up biological diversity? Explain what each of these components contributes. (b)Discuss two ways to reverse the trend of declining biological diversity.

The breakup of large areas of habitat into small, isolated patches known as ______, is a major threat to the survival of many species.

Areas that have less structurally complex vegetation support more species.

The mollusk pictured below is best described as

Define species richness and discuss two factors associated with high species richness.

The establishment of parks and reserves to preserve biological diversity in nature is an example of

A major challenge facing restoration ecologists is the

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

How Ecosystems Work

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Solid and Hazardous Waste

Nonrenewable Energy Resources

Renewable Energy Resources

Filters

Exam 15: Biodiversity and Conservation

What is conservation biology? Devise an in situ and an ex situ conservation plan for the preservation of the White Rhinoceros.

The irreversible elimination of a species from Earth is termed

What is the difference between background extinction and mass extinction?

The bottle of water that you are drinking may have been purified for you by a wetland or the root system of an entire forest. This is an example of

On June 28th, 2007 the bald eagle was removed from the federal list of threatened and endangered species. Suggest two possible factors that have contributed to bald eagle pairs increasing from 417 in 1963 to 9,250 pairs in 2006.

Individuals within all populations of a particular species each have a unique combination of traits. This broad genetic base is known as

All of the following are disadvantages of seed banks as a method of ex situ conservation except

Ecosystems with lower species richness

Currently, about 1600 species in the U.S. are listed as endangered or threatened. (a)Create a graph of the data from the chart below. Be sure to label the X and Y-axes. (b)Draw conclusions from the data that you graphed in part (a)as you compare and contrast any two of the animal categories.

The National Wildlife Refuge is the most extensive network of lands and waters committed to wildlife habitats in the world.

According to the graph below, how many bird species are supported by the most structurally complex areas?

The species richness of a community depends on all of the following factors except

Illegal commercial hunting, also called ______, endangers many larger animals, such as tigers, cheetah, and elephants.

What is biological diversity? (a)What are three components that make up biological diversity? Explain what each of these components contributes. (b)Discuss two ways to reverse the trend of declining biological diversity.

The breakup of large areas of habitat into small, isolated patches known as ______, is a major threat to the survival of many species.

Areas that have less structurally complex vegetation support more species.

The mollusk pictured below is best described as

Define species richness and discuss two factors associated with high species richness.

The establishment of parks and reserves to preserve biological diversity in nature is an example of

A major challenge facing restoration ecologists is the

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

How Ecosystems Work

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Solid and Hazardous Waste

Nonrenewable Energy Resources

Renewable Energy Resources

Filters

On June 28^th, 2007 the bald eagle was removed from the federal list of threatened and endangered species. Suggest two possible factors that have contributed to bald eagle pairs increasing from 417 in 1963 to 9,250 pairs in 2006.