Question 1

A minimum viable population is the _____ population of a species that can _____.

Accepted Answer

A)  smallest; persist in the face of environmental variation 
B)  ideal; persist in increasing global temperatures 
C)  smallest; maintain genetic variability 
D)  ideal; return a population from threatened status 
A)  smallest; persist in the face of environmental variation 
B)  ideal; persist in increasing global temperatures 
C)  smallest; maintain genetic variability 
D)  ideal; return a population from threatened status

Question 2

What is the difference between instrumental and intrinsic values of biodiversity? Give examples for each.

Accepted Answer

The difference between instrumental and

Question 3

You measure 1,000 mg of the pesticide DDT in the soil, and 30 days later the amount in the soil is 998.1 mg. What is the half-life (in years) of DDT in this soil?

Accepted Answer

To calculate the half-life of DDT in the

Question 4

The pesticide DDT in a body of water increases about _____ in concentration when it binds to particles such as algae.

Accepted Answer

A)  10-fold 
B)  5-fold 
C)  50-fold 
D)  30-fold 
A)  10-fold 
B)  5-fold 
C)  50-fold 
D)  30-fold

Question 5

The reintroduction of wolves to Yellowstone National Park has had effects beyond the conservation of wolves. What are other benefits of the reintroduction?

Accepted Answer

The reintroduction of wolves to Yellowst

Question 6

The cancer drug Taxol, which originally came from the Pacific yew tree (Taxus brevifolia), is an example of a _____ service.

Accepted Answer

A)  provisioning 
B)  cultural 
C)  supporting 
D)  regulating 
A)  provisioning 
B)  cultural 
C)  supporting 
D)  regulating

Question 7

In a food chain that undergoes biomagnification of a pesticide, which organism can be expected to have the highest pesticide concentration?

Accepted Answer

A)  algae 
B)  carnivorous fish 
C)  zooplankton 
D)  herbivorous fish 
A)  algae 
B)  carnivorous fish 
C)  zooplankton 
D)  herbivorous fish

Question 8

What is NOT an example of a regulating service?

Accepted Answer

A)  climate regulation 
B)  nutrient cycling 
C)  flood control 
D)  water purification 
A)  climate regulation 
B)  nutrient cycling 
C)  flood control 
D)  water purification

Question 9

Drinking water is an example of a _____ service.

Accepted Answer

A)  cultural 
B)  provisioning 
C)  supporting 
D)  regulating 
A)  cultural 
B)  provisioning 
C)  supporting 
D)  regulating

Question 10

Tropical forests are being logged at a rate of _____ million hectares per year.

Accepted Answer

A)  20 
B)  5 
C)  50 
D)  10 
A)  20 
B)  5 
C)  50 
D)  10

Question 11

Biodiversity hotspots throughout the world contain _____ percent of the world's plant species.

Accepted Answer

A)  75 
B)  40 
C)  80 
D)  50 
A)  75 
B)  40 
C)  80 
D)  50

Question 12

Protecting habitat for buffalo and wildebeests is challenging because of all of the following except

Accepted Answer

A)  they have a very large range. 
B)  they undergo large-scale movements. 
C)  there may not be enough contiguous habitat to meet their requirements. 
D)  they are prone to many parasitic diseases originating in their habitats. 
A)  they have a very large range. 
B)  they undergo large-scale movements. 
C)  there may not be enough contiguous habitat to meet their requirements. 
D)  they are prone to many parasitic diseases originating in their habitats.

Question 13

A review of research in Europe demonstrated that species richness is

Accepted Answer

A)  positively related to aboveground biomass. 
B)  negatively related to aboveground biomass. 
C)  positively related to genetic diversity. 
D)  negatively related to genetic diversity. 
A)  positively related to aboveground biomass. 
B)  negatively related to aboveground biomass. 
C)  positively related to genetic diversity. 
D)  negatively related to genetic diversity.

Question 14

Biotic _____ is the process by which unique species compositions originally found in different regions slowly become more similar as a result of the movement of people, cargo, and species.

Accepted Answer

A)  normalization 
B)  confluence 
C)  magnification 
D)  homogenization 
A)  normalization 
B)  confluence 
C)  magnification 
D)  homogenization

Question 15

Instrumental values of biodiversity differ from intrinsic values of biodiversity in which ways?

Accepted Answer

A)  Society can place a clear dollar value on instrumental values. 
B)  Society can place a clear dollar value on intrinsic values. 
C)  Intrinsic values include those that allow ecosystems to exist. 
D)  Instrumental values are those that are based (or not) on one's belief system. 
A)  Society can place a clear dollar value on instrumental values. 
B)  Society can place a clear dollar value on intrinsic values. 
C)  Intrinsic values include those that allow ecosystems to exist. 
D)  Instrumental values are those that are based (or not) on one's belief system.

Question 16

According to the IUCN (2017), which group of species is the most threatened or near-threatened with the risk of future extinction globally?

Accepted Answer

A)  birds 
B)  amphibians 
C)  reptiles 
D)  mammals 
A)  birds 
B)  amphibians 
C)  reptiles 
D)  mammals

Question 17

The mass extinction that occurred 443 million years ago was caused by

Accepted Answer

A)  global warming. 
B)  an asteroid. 
C)  volcanism. 
D)  an ice age. 
A)  global warming. 
B)  an asteroid. 
C)  volcanism. 
D)  an ice age.

Question 18

The goal in protecting a habitat is commonly the preservation of a large enough area to support a _____ population.

Accepted Answer

A)  maximum sustaining 
B)  minimum sustaining 
C)  maximum viable 
D)  minimum viable 
A)  maximum sustaining 
B)  minimum sustaining 
C)  maximum viable 
D)  minimum viable

Question 19

An endemic species is one that

Accepted Answer

A)  has no intrinsic value. 
B)  has no instrumental value. 
C)  has a relatively restricted distribution. 
D)  is found in all biogeographic regions yet is still endangered. 
A)  has no intrinsic value. 
B)  has no instrumental value. 
C)  has a relatively restricted distribution. 
D)  is found in all biogeographic regions yet is still endangered.

Question 20

Cultural services are those that

Accepted Answer

A)  humans use, including lumber, fur, meat, crops, water, and fiber. 
B)  allow ecosystems to exist, such as primary production, soil formation, and nutrient cycling. 
C)  include climate regulation, flood control, and water purification. 
D)  provide aesthetic, spiritual, or recreational value. 
A)  humans use, including lumber, fur, meat, crops, water, and fiber. 
B)  allow ecosystems to exist, such as primary production, soil formation, and nutrient cycling. 
C)  include climate regulation, flood control, and water purification. 
D)  provide aesthetic, spiritual, or recreational value.

Exam 23: Global Conservation of Biodiversity

A minimum viable population is the _____ population of a species that can _____.

What is the difference between instrumental and intrinsic values of biodiversity? Give examples for each.

You measure 1,000 mg of the pesticide DDT in the soil, and 30 days later the amount in the soil is 998.1 mg. What is the half-life (in years) of DDT in this soil?

The pesticide DDT in a body of water increases about _____ in concentration when it binds to particles such as algae.

The reintroduction of wolves to Yellowstone National Park has had effects beyond the conservation of wolves. What are other benefits of the reintroduction?

The cancer drug Taxol, which originally came from the Pacific yew tree (Taxus brevifolia), is an example of a _____ service.

In a food chain that undergoes biomagnification of a pesticide, which organism can be expected to have the highest pesticide concentration?

What is NOT an example of a regulating service?

Drinking water is an example of a _____ service.

Tropical forests are being logged at a rate of _____ million hectares per year.

Biodiversity hotspots throughout the world contain _____ percent of the world's plant species.

Protecting habitat for buffalo and wildebeests is challenging because of all of the following except

A review of research in Europe demonstrated that species richness is

Biotic _____ is the process by which unique species compositions originally found in different regions slowly become more similar as a result of the movement of people, cargo, and species.

Instrumental values of biodiversity differ from intrinsic values of biodiversity in which ways?

According to the IUCN (2017), which group of species is the most threatened or near-threatened with the risk of future extinction globally?

The mass extinction that occurred 443 million years ago was caused by

The goal in protecting a habitat is commonly the preservation of a large enough area to support a _____ population.

An endemic species is one that

Cultural services are those 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

A minimum viable population is the _ population of a species that can _.