Question 1

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

Accepted Answer

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

Question 2

The ecological footprint of the human species is about

Accepted Answer

A)  equal to Earthʹs biocapacity. 
B)  80% of Earthʹs biocapacity. 
C)  50% of Earthʹs biocapacity. 
D)  50% greater than Earthʹs biocapacity. 
E)  80% greater than Earthʹs biocapacity. 
A)  equal to Earthʹs biocapacity. 
B)  80% of Earthʹs biocapacity. 
C)  50% of Earthʹs biocapacity. 
D)  50% greater than Earthʹs biocapacity. 
E)  80% greater than Earthʹs biocapacity.

Question 3

How can you, as an individual consumer, conserve energy?

Accepted Answer

Many answers are possible, inc

Question 4

One goal of conservation biology is to prevent extinction caused by

Accepted Answer

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

Question 5

Large mammals and birds require_________ acres of continuous suitable habitat for food and territory.

Accepted Answer

A)  millions of 
B)  4 
C)  2 
D)  hundreds of 
E)  dozens of 
A)  millions of 
B)  4 
C)  2 
D)  hundreds of 
E)  dozens of

Question 6

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 7

The most likely explanation for any mass-extinction event is

Accepted Answer

A)  rapid environmental change. 
B)  human activity. 
C)  loss of genetic diversity due to inbreeding. 
D)  a gradual increase in global temperature. 
E)  coevolution of predator and prey species. 
A)  rapid environmental change. 
B)  human activity. 
C)  loss of genetic diversity due to inbreeding. 
D)  a gradual increase in global temperature. 
E)  coevolution of predator and prey species.

Question 8

In the ocean, whales are the keystone species.

Accepted Answer

A) True 
 B)False

Question 9

_________are strips of protected land that allow animals to travel between core reserves.)

Accepted Answer

The answer of _________are strips of protected land that allow...

Question 10

What is the single most important factor that makes worldwide sustainable development difficult?

Accepted Answer

The size of the human populati

Question 11

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

Question 12

Once commercial whaling stopped, whale populations quickly returned to their pre-whaling sizes.)

Accepted Answer

A) True 
 B)False

Question 13

Organic farming involves

Accepted Answer

A)  allowing natural predators to control pests. 
B)  using large farm equipment to fertilize, plow, and harvest. 
C)  using organic pesticides and herbicides. 
D)  planting genetically engineered crops only. 
E)  adding organic fertilizers to the soil. 
A)  allowing natural predators to control pests. 
B)  using large farm equipment to fertilize, plow, and harvest. 
C)  using organic pesticides and herbicides. 
D)  planting genetically engineered crops only. 
E)  adding organic fertilizers to the soil.

Question 14

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

Accepted Answer

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

Question 15

What two factors are most responsible for the decline in worldwide biodiversity?

Accepted Answer

(1) The amount of resources us

Question 16

The goals of conservation biologists include all of the following EXCEPT

Accepted Answer

A)  studying the natural impacts of human activities. 
B)  working toward resource sustainability. 
C)  reversing the loss of biodiversity. 
D)  maintaining and restoring natural ecosystems. 
E)  cataloguing the number of species. 
A)  studying the natural impacts of human activities. 
B)  working toward resource sustainability. 
C)  reversing the loss of biodiversity. 
D)  maintaining and restoring natural ecosystems. 
E)  cataloguing the number of species.

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

When many species disappear from the fossil record in a short amount of time, this is called a_________.

Accepted Answer

The answer of When many species disappear from the fossil...

Question 19

The major goal of conservation biology is to

Accepted Answer

A)  restore the biosphere to its previously unspoiled condition. 
B)  make the biosphere more habitable for humanity. 
C)  repair the damage to ecosystems done by introduced species. 
D)  preserve the diversity of living organisms. 
E)  increase the population sizes of all species. 
A)  restore the biosphere to its previously unspoiled condition. 
B)  make the biosphere more habitable for humanity. 
C)  repair the damage to ecosystems done by introduced species. 
D)  preserve the diversity of living organisms. 
E)  increase the population sizes of all species.

Question 20

A species that is in danger of extinction is described by the IUCN as_________ .

Accepted Answer

The answer of A species that is in danger of...

Exam 31: Conserving Earths Biodiversity

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

The ecological footprint of the human species is about

How can you, as an individual consumer, conserve energy?

One goal of conservation biology is to prevent extinction caused by

Large mammals and birds require_________ acres of continuous suitable habitat for food and territory.

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

The most likely explanation for any mass-extinction event is

In the ocean, whales are the keystone species.

_________are strips of protected land that allow animals to travel between core reserves.)

What is the single most important factor that makes worldwide sustainable development difficult?

Once commercial whaling stopped, whale populations quickly returned to their pre-whaling sizes.)

Organic farming involves

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

What two factors are most responsible for the decline in worldwide biodiversity?

The goals of conservation biologists include all of the following EXCEPT

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

When many species disappear from the fossil record in a short amount of time, this is called a_________.

The major goal of conservation biology is to

A species that is in danger of extinction is described by the IUCN as_________ .

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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