Question 1

In his 2005 book,Richard Louv maintains that today's children ________________.

Accepted Answer

A) should not participate in environmental education programs until high school 
B) should not be exposed to the dangers of natural ecosystems 
C) develop more balanced emotions in urban compared to natural settings 
D) have a better understanding of natural environments than their grandparents 
E) suffer psychologically and emotionally from "nature deficit disorder" 
A) should not participate in environmental education programs until high school 
B) should not be exposed to the dangers of natural ecosystems 
C) develop more balanced emotions in urban compared to natural settings 
D) have a better understanding of natural environments than their grandparents 
E) suffer psychologically and emotionally from "nature deficit disorder"

Question 2

Both ________________ and ________________ can change local species diversity but not global species diversity.

Accepted Answer

A) speciation; immigration 
B) extirpation; extinction 
C) immigration; extirpation 
D) speciation; extinction 
E) emigration; extinction 
A) speciation; immigration 
B) extirpation; extinction 
C) immigration; extirpation 
D) speciation; extinction 
E) emigration; extinction

Question 3

The IUCN's Red List is ________________.

Accepted Answer

A) an updated list of species facing unusually high risk of extinction 
B) a list of unidentified species 
C) an identification list of known species 
D) a list of ecologically harmful invasive species 
E) a scorecard of international failures at conservation 
A) an updated list of species facing unusually high risk of extinction 
B) a list of unidentified species 
C) an identification list of known species 
D) a list of ecologically harmful invasive species 
E) a scorecard of international failures at conservation

Question 4

The introduction of ________________ onto the island of Guam has resulted in the extinction of most of the endemic forest bird species on the island.

Accepted Answer

A) kudzu 
B) European starlings 
C) cane toads 
D) Nile perch 
E) brown tree snakes 
A) kudzu 
B) European starlings 
C) cane toads 
D) Nile perch 
E) brown tree snakes

Question 5

Both ________________ and ________________ can change global species diversity.

Accepted Answer

A) extirpation; extinction 
B) emigration; extinction 
C) speciation; immigration 
D) speciation; extinction 
E) immigration; extirpation 
A) extirpation; extinction 
B) emigration; extinction 
C) speciation; immigration 
D) speciation; extinction 
E) immigration; extirpation

Question 6

Removal of which of the following species will result in the greatest changes in an ecological system?

Accepted Answer

A) a competitive species 
B) a producer species 
C) a keystone species 
D) a carnivore species 
E) a decomposer species 
A) a competitive species 
B) a producer species 
C) a keystone species 
D) a carnivore species 
E) a decomposer species

Question 7

The greatest cause of the worldwide loss of species is ________________.

Accepted Answer

A) decreased soil nutrients 
B) air pollution 
C) habitat destruction 
D) water pollution 
E) climate change 
A) decreased soil nutrients 
B) air pollution 
C) habitat destruction 
D) water pollution 
E) climate change

Question 8

The wood thrush makes its nest in woodlands in the northern and eastern United States.As patches of woods become smaller,increasing numbers of wood thrush nests have eggs laid in them by the brown -headed cowbird.Cowbirds live in open fields and are nest parasites; the female cowbird flies up to an unattended nest,quickly lays an egg in it,and leaves the host parents to raise their "adopted" young.Wood thrushes are decreasing in numbers because ________________.

Accepted Answer

A) climate change is reducing nest site availability 
B) habitat fragmentation makes it easier for cowbird parasitism to occur 
C) cowbirds are an invasive species that is rapidly increasing 
D) pollution of the open fields has caused a change in cowbird behavior 
E) overharvesting in the open fields has driven the cowbirds into the woodlands 
A) climate change is reducing nest site availability 
B) habitat fragmentation makes it easier for cowbird parasitism to occur 
C) cowbirds are an invasive species that is rapidly increasing 
D) pollution of the open fields has caused a change in cowbird behavior 
E) overharvesting in the open fields has driven the cowbirds into the woodlands

Question 9

European rabbits were introduced into Australia and quickly spread,reproduced,and became a terrible pest.They eat up to $600 million worth of food and pasture crops annually,and have damaged the populations of many native plants and the populations of animals that eat the plants.Twice in the past 50 years,rabbit diseases have been introduced to try to control the population, with some success.This is a case where ________________ .

Accepted Answer

A) climate change has decreased the genetic diversity of indigenous species 
B) an invasive species has caused overharvesting 
C) habitat alteration resulted in decreased biodiversity 
D) an extirpation has occurred 
E) an invasive species has reduced the genetic diversity of indigenous species 
A) climate change has decreased the genetic diversity of indigenous species 
B) an invasive species has caused overharvesting 
C) habitat alteration resulted in decreased biodiversity 
D) an extirpation has occurred 
E) an invasive species has reduced the genetic diversity of indigenous species

Question 10

Endemic species are ________________.

Accepted Answer

A) usually the dominant species within an ecosystem 
B) limited to just one location,such as an island 
C) on the brink of extinction 
D) widely distributed,found especially on large continents 
E) well established and show the least risk of extinction 
A) usually the dominant species within an ecosystem 
B) limited to just one location,such as an island 
C) on the brink of extinction 
D) widely distributed,found especially on large continents 
E) well established and show the least risk of extinction

Question 11

The loss of a particular population from a given area (but not the entire species globally)is called ________________.

Accepted Answer

A) extinction 
B) extirpation 
C) exposition 
D) emigration 
E) extinguishment 
A) extinction 
B) extirpation 
C) exposition 
D) emigration 
E) extinguishment

Question 12

Ecotourism ________________

Accepted Answer

A) decreases biodiversity by causing increased speciation in environmentally sensitive areas 
B) is a reasonable option only in impoverished countries 
C) decreases biodiversity by selling souvenir organisms 
D) maintains biodiversity by providing income to areas that might otherwise be destroyed 
E) increases biodiversity by introducing new,rare species 
A) decreases biodiversity by causing increased speciation in environmentally sensitive areas 
B) is a reasonable option only in impoverished countries 
C) decreases biodiversity by selling souvenir organisms 
D) maintains biodiversity by providing income to areas that might otherwise be destroyed 
E) increases biodiversity by introducing new,rare species

Question 13

Paleontologists estimate that ________________.

Accepted Answer

A) 99% of all species that have ever existed are now extinct 
B) more than 99% of all species alive today have been discovered and described 
C) extinction is tied exclusively to human activities 
D) more species are alive today than ever before 
E) biodiversity is evenly spread over the earth's biomes 
A) 99% of all species that have ever existed are now extinct 
B) more than 99% of all species alive today have been discovered and described 
C) extinction is tied exclusively to human activities 
D) more species are alive today than ever before 
E) biodiversity is evenly spread over the earth's biomes

Question 14

Provide several reasons why our estimates of species numbers are incomplete.

Accepted Answer

One reason is that some areas of Earth r

Question 15

Biodiversity enhances human food security because it ________________

Accepted Answer

A) means that there is genetic uniformity 
B) is a potential source of new food items or new genetic varieties of existing foods 
C) reduces the number of pollinators available to any one plant species 
D) decreases the number of predators 
E) increases the number of available pathogens 
A) means that there is genetic uniformity 
B) is a potential source of new food items or new genetic varieties of existing foods 
C) reduces the number of pollinators available to any one plant species 
D) decreases the number of predators 
E) increases the number of available pathogens

Question 16

What is the value,to humankind,of biodiversity?

Accepted Answer

Biodiversity provides valuable ecosystem

Question 17

Changes in habitat have tremendous effects on the organisms that depend on them.These effects are ________________.

Accepted Answer

A) generally neutral; the variations within each species allow them to adapt very quickly 
B) generally positive; the changes increase the habitat that is available for species to colonize 
C) generally negative; organisms are already adapted to the habitats in which they occur and any change is likely to render the habitat less suitable 
D) generally negative; the changes usually cause rapid extinction of most species 
E) generally positive; organisms are already adapted to the habitats in which they occur and any change is likely to render the habitat more suitable 
A) generally neutral; the variations within each species allow them to adapt very quickly 
B) generally positive; the changes increase the habitat that is available for species to colonize 
C) generally negative; organisms are already adapted to the habitats in which they occur and any change is likely to render the habitat less suitable 
D) generally negative; the changes usually cause rapid extinction of most species 
E) generally positive; organisms are already adapted to the habitats in which they occur and any change is likely to render the habitat more suitable

In his 2005 book,Richard Louv maintains that today's children ________________.

Both and can change local species diversity but not global species diversity.

The IUCN's Red List is ________________.

The introduction of ________________ onto the island of Guam has resulted in the extinction of most of the endemic forest bird species on the island.

Both and can change global species diversity.

Removal of which of the following species will result in the greatest changes in an ecological system?

The greatest cause of the worldwide loss of species is ________________.

Endemic species are ________________.

The loss of a particular population from a given area (but not the entire species globally)is called ________________.

Ecotourism ________________

Paleontologists estimate that ________________.

Provide several reasons why our estimates of species numbers are incomplete.

Biodiversity enhances human food security because it ________________

What is the value,to humankind,of biodiversity?

Changes in habitat have tremendous effects on the organisms that depend on them.These effects are ________________.

Science and Sustainability

Earths Physical Systems

Evolution,biodiversity,and Population Ecology

Species Interactions and Community Ecology

Environmental Systems and Ecosystem Ecology

Ethics,economics,and Sustainable Development

Environmental Policy

Human Population

The Underpinnings of Agriculture

Making Agriculture Sustainable

Forests,forest Management,and Protected Areas

The Urban Environment

Environmental Health and Toxicology

Freshwater Systems and Resources

Marine and Coastal Systems and Resources

Atmospheric Science,air Quality,and Pollution Control

Global Climate Change

Fossil Fuels

Conventional Energy Alternatives

New Renewable Energy Alternatives

Managing Our Waste

Minerals and Mining

Sustainable Solutions

Filters

Exam 11: Biodiversity and Conservation Biology

In his 2005 book,Richard Louv maintains that today's children ________________.

Both ________________ and ________________ can change local species diversity but not global species diversity.

The IUCN's Red List is ________________.

The introduction of ________________ onto the island of Guam has resulted in the extinction of most of the endemic forest bird species on the island.

Both ________________ and ________________ can change global species diversity.

Removal of which of the following species will result in the greatest changes in an ecological system?

The greatest cause of the worldwide loss of species is ________________.

Endemic species are ________________.

The loss of a particular population from a given area (but not the entire species globally)is called ________________.

Ecotourism ________________

Paleontologists estimate that ________________.

Provide several reasons why our estimates of species numbers are incomplete.

Biodiversity enhances human food security because it ________________

What is the value,to humankind,of biodiversity?

Changes in habitat have tremendous effects on the organisms that depend on them.These effects are ________________.

Science and Sustainability

Earths Physical Systems

Evolution,biodiversity,and Population Ecology

Species Interactions and Community Ecology

Environmental Systems and Ecosystem Ecology

Ethics,economics,and Sustainable Development

Environmental Policy

Human Population

The Underpinnings of Agriculture

Making Agriculture Sustainable

Forests,forest Management,and Protected Areas

The Urban Environment

Environmental Health and Toxicology

Freshwater Systems and Resources

Marine and Coastal Systems and Resources

Atmospheric Science,air Quality,and Pollution Control

Global Climate Change

Fossil Fuels

Conventional Energy Alternatives

New Renewable Energy Alternatives

Managing Our Waste

Minerals and Mining

Sustainable Solutions

Filters

Both and can change local species diversity but not global species diversity.

Both and can change global species diversity.