Question 1

The term ________ refers to the ways in which natural communities influence human life.

Accepted Answer

The answer of The term ________ refers to the ways...

Question 2

________ are strips of protected land that allow animals to travel between core reserves.

Accepted Answer

The answer of ________ are strips of protected land that...

Question 3

Under the redundancy hypothesis, if one species is removed from an ecosystem, then another organism in that ecosystem who occupies a similar niche will take its place, leading to minimal disruption. True or False?

Accepted Answer

A) True 
 B)False

Question 4

Some biologists believe that life on Earth is in the midst of a sixth major mass extinction event caused by:

Accepted Answer

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

Question 5

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 local ladybugs cannot keep up with the aphid population. The Asian ladybugs are not eaten by the local bird populations, which do feed on the local ladybugs. The Asian ladybug population multiplies quickly, displacing the local ladybugs, cleaning up the aphids, and moving on to eat other local insects. The Asian ladybug:

Accepted Answer

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

Question 6

Wetlands neutralize pollutants and provide breeding grounds for many animals. True or False?

Accepted Answer

A) True 
 B)False

Question 7

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...

Question 8

As a result of global warming:

Accepted Answer

A) the ozone layer is being degraded. 
B) species' ranges are shifting toward the equator. 
C) there are greater extremes in weather patterns. 
D) species are becoming active later in the spring. 
E) forests are expanding in range. 
A) the ozone layer is being degraded. 
B) species' ranges are shifting toward the equator. 
C) there are greater extremes in weather patterns. 
D) species are becoming active later in the spring. 
E) forests are expanding in range.

Question 9

In an ideal biosphere reserve, like the one in the illustration, what activities occur in the central (darkest)area?

Accepted Answer

A) Only animals are allowed; human activity is prohibited. 
B) Development is concentrated in order to minimize its impact in the outer margins. 
C) Animal monitoring and research are allowed. 
D) Educational programs, low-impact development, and ecotourism activities are allowed. 
E) Sustainable agriculture and high-impact tourism are allowed. 
A) Only animals are allowed; human activity is prohibited. 
B) Development is concentrated in order to minimize its impact in the outer margins. 
C) Animal monitoring and research are allowed. 
D) Educational programs, low-impact development, and ecotourism activities are allowed. 
E) Sustainable agriculture and high-impact tourism are allowed.

Question 10

Unsustainable farming practices include:

Accepted Answer

A) planting different crops in the same field in alternating years. 
B) abandoning fields and allowing them to go through natural succession. 
C) abandoning the use of irrigation to water fields. 
D) using herbicides and pesticides. 
E) mulching fields after harvest. 
A) planting different crops in the same field in alternating years. 
B) abandoning fields and allowing them to go through natural succession. 
C) abandoning the use of irrigation to water fields. 
D) using herbicides and pesticides. 
E) mulching fields after harvest.

Question 11

The United Nations has established a network of Biosphere Reserves, each of which consists of a:

Accepted Answer

A) core reserve. 
B) core reserve and buffer zone. 
C) core reserve, buffer zone, and transition area. 
D) core reserve, buffer zone, transition area, and remediation zone. 
E) core reserve, buffer zone, transition area, remediation zone, and education center. 
A) core reserve. 
B) core reserve and buffer zone. 
C) core reserve, buffer zone, and transition area. 
D) core reserve, buffer zone, transition area, and remediation zone. 
E) core reserve, buffer zone, transition area, remediation zone, and education center.

Question 12

Attempts are being made to restore the Kissimmee River in order to:

Accepted Answer

A) reduce ecotourism. 
B) expand development. 
C) use more land for agriculture. 
D) improve the water quality. 
E) decrease biodiversity. 
A) reduce ecotourism. 
B) expand development. 
C) use more land for agriculture. 
D) improve the water quality. 
E) decrease biodiversity.

Question 13

A ________ species is fundamentally essential to an ecosystem; its loss changes the structure of the entire community.

Accepted Answer

A) redundant 
B) baseline 
C) keystone 
D) footprint 
E) rivet 
A) redundant 
B) baseline 
C) keystone 
D) footprint 
E) rivet

Question 14

The ________ of the planet is the area of Earth's surface that is actually available to generate resources and process wastes.

Accepted Answer

The answer of The ________ of the planet is the...

Question 15

Overexploitation is a problem for more than ________% of threatened mammals and birds.

Accepted Answer

A) 30 
B) 40 
C) 50 
D) 60 
E) 70 
A) 30 
B) 40 
C) 50 
D) 60 
E) 70

Question 16

Trees alter runoff patterns, causing increased erosion and potential flooding. True or False?

Accepted Answer

A) True 
 B)False

Question 17

The term ________ describes the variety of life, whether organismal, genetic, or among species.

Accepted Answer

The answer of The term ________ describes the variety of...

Question 18

How can sustainable fishing be accomplished?

Accepted Answer

There must be limits placed on

Question 19

It is difficult to estimate current rates of extinction because:

Accepted Answer

A) many "extinct" species may still be represented by isolated populations. 
B) extinction is very rare. 
C) new species are evolving as fast as species are becoming extinct. 
D) the number of species is unknown; many remain undescribed to science. 
E) most species in danger of extinction are microscopic. 
A) many "extinct" species may still be represented by isolated populations. 
B) extinction is very rare. 
C) new species are evolving as fast as species are becoming extinct. 
D) the number of species is unknown; many remain undescribed to science. 
E) most species in danger of extinction are microscopic.

Question 20

What causes mass extinctions?

Accepted Answer

Several reasons have

Exam 30: Conserving Earths Biodiversity

The term ________ refers to the ways in which natural communities influence human life.

________ are strips of protected land that allow animals to travel between core reserves.

Under the redundancy hypothesis, if one species is removed from an ecosystem, then another organism in that ecosystem who occupies a similar niche will take its place, leading to minimal disruption. True or False?

Some biologists believe that life on Earth is in the midst of a sixth major mass extinction event caused by:

Wetlands neutralize pollutants and provide breeding grounds for many animals. True or False?

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

As a result of global warming:

In an ideal biosphere reserve, like the one in the illustration, what activities occur in the central (darkest)area?

Unsustainable farming practices include:

The United Nations has established a network of Biosphere Reserves, each of which consists of a:

Attempts are being made to restore the Kissimmee River in order to:

A ________ species is fundamentally essential to an ecosystem; its loss changes the structure of the entire community.

The ________ of the planet is the area of Earth's surface that is actually available to generate resources and process wastes.

Overexploitation is a problem for more than ________% of threatened mammals and birds.

Trees alter runoff patterns, causing increased erosion and potential flooding. True or False?

The term ________ describes the variety of life, whether organismal, genetic, or among species.

How can sustainable fishing be accomplished?

It is difficult to estimate current rates of extinction because:

What causes mass extinctions?

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

The Continuity of Life: Cellular 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 Amidst 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

How Do Ecosystems Work

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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