Question 1

What ecosystem services do wetlands perform?

Accepted Answer

Wetlands neutralize pollutants

Question 2

An estimation of the area of the Earth's surface a human requires to produce the resources he or she needs and to remove the wastes he or she produces is called a(n) .

Accepted Answer

ecological

Question 3

The idea that several species in a community have functionally equivalent roles but vary in their ability to withstand environmental stressors is called the hypothesis.

Accepted Answer

A)  redundancy 
B)  unextinction 
C)  rivet 
D)  biocapacity 
E)  multiple species 
A)  redundancy 
B)  unextinction 
C)  rivet 
D)  biocapacity 
E)  multiple species

Question 4

Natural areas that are protected from human development are called .

Accepted Answer

The answer of Natural areas that are protected from human...

Question 5

Applying ecological economics, how would you decide whether to develop a wetland for vacation property or to preserve it?

Accepted Answer

You would weigh the costs and benefits o

Question 6

-In an attempt to control aphids that are destroying his plums, a farmer in Iowa imports a colony of Asian ladybugs that feast on the aphids. The Asian ladybugs are not eaten by the local bird populations. The Asian ladybug population multiplies quickly, displaces the local ladybugs, eliminates the aphids, and begins to eat other local insects. The Asian ladybug

Accepted Answer

A)  is being overexploited. 
B)  is responsible for habitat fragmentation in the plum orchard. 
C)  qualifies as an invasive species. 
D)  is a threatened species. 
E)  is increasing the biodiversity of the orchard. 
A)  is being overexploited. 
B)  is responsible for habitat fragmentation in the plum orchard. 
C)  qualifies as an invasive species. 
D)  is a threatened species. 
E)  is increasing the biodiversity of the orchard.

Question 7

The mass extinction currently taking place is most likely due to human activities.

Accepted Answer

A) True 
 B)False

Question 8

One goal of conservation biology is to prevent extinction caused by

Accepted Answer

A)  predation. 
B)  human activity. 
C)  asteroid impacts. 
D)  interaction of native species. 
E)  disease. 
A)  predation. 
B)  human activity. 
C)  asteroid impacts. 
D)  interaction of native species. 
E)  disease.

Question 9

In less- developed countries, many species are being harvested unsustainably because

Accepted Answer

A)  pollution has reduced their population sizes dramatically. 
B)  they are considered a danger to humans. 
C)  they are hunted and killed because they carry human diseases. 
D)  people thoughtlessly destroy what they do not need. 
E)  the people must eat or sell the species' products to survive. 
A)  pollution has reduced their population sizes dramatically. 
B)  they are considered a danger to humans. 
C)  they are hunted and killed because they carry human diseases. 
D)  people thoughtlessly destroy what they do not need. 
E)  the people must eat or sell the species' products to survive.

Question 10

Sustainable agriculture depends on planting large tracts of high- profit crops.

Accepted Answer

A) True 
 B)False

Question 11

takes into account both the biotic (living) communities and the abiotic (nonliving) environments on which the communities depend.

Accepted Answer

A)  Conservation biology 
B)  Genetic diversity 
C)  Ecosystem diversity 
D)  Ecosystem services 
E)  Species diversity 
A)  Conservation biology 
B)  Genetic diversity 
C)  Ecosystem diversity 
D)  Ecosystem services 
E)  Species diversity

Question 12

Much of the tropical rain- forest land that has been lost has been used for

Accepted Answer

A)  farmland. 
B)  human dwellings. 
C)  recreational areas. 
D)  wildlife preserves. 
E)  airfields to support ecotourism. 
A)  farmland. 
B)  human dwellings. 
C)  recreational areas. 
D)  wildlife preserves. 
E)  airfields to support ecotourism.

Question 13

In heavily forested areas, the trees reduce evaporation and disrupt the normal water cycle.

Accepted Answer

A) True 
 B)False

Question 14

Removal of a keystone species from an ecosystem has minimal effect because other species compensate and take over its role.

Accepted Answer

A) True 
 B)False

Question 15

Trees alter runoff patterns, causing increased erosion and potential flooding.

Accepted Answer

A) True 
 B)False

Question 16

Cutting down rain forests may result in the local climate becoming

Accepted Answer

A)  cooler and drier. 
B)  hotter and drier. 
C)  hotter and wetter. 
D)  It is not expected to affect the local climate. 
E)  cooler and wetter. 
A)  cooler and drier. 
B)  hotter and drier. 
C)  hotter and wetter. 
D)  It is not expected to affect the local climate. 
E)  cooler and wetter.

Question 17

The largest threat to global biodiversity, as identified by the International Union for Conservation of Nature (IUCN), is

Accepted Answer

A)  introduced species. 
B)  global warming. 
C)  phosphate pollution. 
D)  habitat destruction. 
E)  lack of farmland. 
A)  introduced species. 
B)  global warming. 
C)  phosphate pollution. 
D)  habitat destruction. 
E)  lack of farmland.

Question 18

What is no- till farming?

Accepted Answer

No- till farming is a techniqu

Question 19

The variety and abundance of the different species that make up a community is the of a community.

Accepted Answer

A)  ecosystem services 
B)  conservation biology 
C)  ecosystem diversity 
D)  species diversity 
E)  genetic diversity 
A)  ecosystem services 
B)  conservation biology 
C)  ecosystem diversity 
D)  species diversity 
E)  genetic diversity

Question 20

The leading cause of extinction by human activities worldwide is

Accepted Answer

A)  habitat fragmentation. 
B)  invasive species. 
C)  overexploitation. 
D)  pollution. 
E)  predation. 
A)  habitat fragmentation. 
B)  invasive species. 
C)  overexploitation. 
D)  pollution. 
E)  predation.

Exam 31: Conserving Earths Biodiversity

What ecosystem services do wetlands perform?

An estimation of the area of the Earth's surface a human requires to produce the resources he or she needs and to remove the wastes he or she produces is called a(n) .

The idea that several species in a community have functionally equivalent roles but vary in their ability to withstand environmental stressors is called the hypothesis.

Natural areas that are protected from human development are called .

Applying ecological economics, how would you decide whether to develop a wetland for vacation property or to preserve it?

The mass extinction currently taking place is most likely due to human activities.

One goal of conservation biology is to prevent extinction caused by

In less- developed countries, many species are being harvested unsustainably because

Sustainable agriculture depends on planting large tracts of high- profit crops.

takes into account both the biotic (living) communities and the abiotic (nonliving) environments on which the communities depend.

Much of the tropical rain- forest land that has been lost has been used for

In heavily forested areas, the trees reduce evaporation and disrupt the normal water cycle.

Removal of a keystone species from an ecosystem has minimal effect because other species compensate and take over its role.

Trees alter runoff patterns, causing increased erosion and potential flooding.

Cutting down rain forests may result in the local climate becoming

The largest threat to global biodiversity, as identified by the International Union for Conservation of Nature (IUCN), is

What is no- till farming?

The variety and abundance of the different species that make up a community is the of a community.

The leading cause of extinction by human activities worldwide is

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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