Question 1

The Sumatran tiger (Panthera tigris sumatrae) has become critically endangered as a result of

Accepted Answer

A)  pollution. 
B)  invasive species. 
C)  habitat loss. 
D)  climate change. 
A)  pollution. 
B)  invasive species. 
C)  habitat loss. 
D)  climate change.

Question 2

Briefly describe what is known as the cause of the five past mass extinctions and the possible sixth mass extinction that may be under way.

Accepted Answer

The five past mass extinctions are belie

Question 3

How many mass extinctions have occurred?

Accepted Answer

A)  5 
B)  15 
C)  10 
D)  3 
A)  5 
B)  15 
C)  10 
D)  3

Question 4

Which of the following is NOT an IUCN category relating to species assessment?

Accepted Answer

A)  threatened 
B)  least concern 
C)  near-threatened 
D)  endangered 
A)  threatened 
B)  least concern 
C)  near-threatened 
D)  endangered

Question 5

The collapse of the Atlantic cod fishery in the early 1990s was the result of

Accepted Answer

A)  pollution. 
B)  climate change. 
C)  introduced species. 
D)  overharvesting. 
A)  pollution. 
B)  climate change. 
C)  introduced species. 
D)  overharvesting.

Question 6

The environmental organization called Conservation International describes a(n) _____ as an area that contains at least 1,500 endemic plant species and that has experienced at least a 70 percent vegetation loss due to human activity.

Accepted Answer

A)  ecologically critical area 
B)  critically endangered habitat 
C)  critical species intervention site 
D)  biodiversity hotspot 
A)  ecologically critical area 
B)  critically endangered habitat 
C)  critical species intervention site 
D)  biodiversity hotspot

Question 7

The IUCN has defined categories to be applied to species based on their conservation status. The category "extinct in the wild" refers to a species that

Accepted Answer

A)  was known to exist in the year 1500 but no individuals remain alive today. 
B)  was known to exist in the year 1900 but no individuals remain alive today. 
C)  can be found only in zoos or facilities that might be conducting captive breeding. 
D)  are found only in less than 1 percent of their original documented native habitat 
A)  was known to exist in the year 1500 but no individuals remain alive today. 
B)  was known to exist in the year 1900 but no individuals remain alive today. 
C)  can be found only in zoos or facilities that might be conducting captive breeding. 
D)  are found only in less than 1 percent of their original documented native habitat

The Sumatran tiger (Panthera tigris sumatrae) has become critically endangered as a result of

Briefly describe what is known as the cause of the five past mass extinctions and the possible sixth mass extinction that may be under way.

How many mass extinctions have occurred?

Which of the following is NOT an IUCN category relating to species assessment?

The collapse of the Atlantic cod fishery in the early 1990s was the result of

The environmental organization called Conservation International describes a(n) _____ as an area that contains at least 1,500 endemic plant species and that has experienced at least a 70 percent vegetation loss due to human activity.

The IUCN has defined categories to be applied to species based on their conservation status. The category "extinct in the wild" refers to a species that

Introduction: Ecology, Evolution, and the Scientific Method

Adaptations to Aquatic Environments

Adaptations to Terrestrial Environments

Adaptations to Variable Environments

Climates and Soils

Terrestrial and Aquatic Biomes

Evolution and Adaptation

Life Histories

Reproductive Strategies

Social Behaviors

Population Distributions

Population Growth and Regulation

Population Dynamics Over Space and Time

Predation and Herbivory

Parasitism and Infectious Diseases

Competition

Mutualism

Community Structure

Community Succession

Movement of Energy in Ecosystems

Movement of Elements in Ecosystems

Landscape Ecology and Global Biodiversity

Filters

Exam 23: Global Conservation of Biodiversity

The Sumatran tiger (Panthera tigris sumatrae) has become critically endangered as a result of

Briefly describe what is known as the cause of the five past mass extinctions and the possible sixth mass extinction that may be under way.

How many mass extinctions have occurred?

Which of the following is NOT an IUCN category relating to species assessment?

The collapse of the Atlantic cod fishery in the early 1990s was the result of

The environmental organization called Conservation International describes a(n) _____ as an area that contains at least 1,500 endemic plant species and that has experienced at least a 70 percent vegetation loss due to human activity.

The IUCN has defined categories to be applied to species based on their conservation status. The category "extinct in the wild" refers to a species that

Introduction: Ecology, Evolution, and the Scientific Method

Adaptations to Aquatic Environments

Adaptations to Terrestrial Environments

Adaptations to Variable Environments

Climates and Soils

Terrestrial and Aquatic Biomes

Evolution and Adaptation

Life Histories

Reproductive Strategies

Social Behaviors

Population Distributions

Population Growth and Regulation

Population Dynamics Over Space and Time

Predation and Herbivory

Parasitism and Infectious Diseases

Competition

Mutualism

Community Structure

Community Succession

Movement of Energy in Ecosystems

Movement of Elements in Ecosystems

Landscape Ecology and Global Biodiversity

Filters