Question 1

occurs when human developments break up natural ecosystems into smaller areas.

Accepted Answer

A)  Conservation biology 
B)  Habitat fragmentation 
C)  Sustainable development 
D)  Species invasion 
E)  Overexploitation 
A)  Conservation biology 
B)  Habitat fragmentation 
C)  Sustainable development 
D)  Species invasion 
E)  Overexploitation

Question 2

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

Accepted Answer

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

Question 3

The ecological footprint of the human species is about

Accepted Answer

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

Question 4

Invasive species cannot be introduced to the Great Lakes because they are isolated from the oceans.

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

Many answers are possible, inc

Question 6

What human activity can cause flooding along riverbanks?

Accepted Answer

A)  Removal of forests and wetlands along the river 
B)  Decreased soil formation 
C)  Increased evaporation due to fewer trees 
D)  Overfishing 
E)  Decreased conversion of forests to farmland 
A)  Removal of forests and wetlands along the river 
B)  Decreased soil formation 
C)  Increased evaporation due to fewer trees 
D)  Overfishing 
E)  Decreased conversion of forests to farmland

Question 7

Why is it important to preserve the genes of the wild relatives of crop plants?

Accepted Answer

A)  Beneficial genes from the wild relatives may be transferred into crop plants. 
B)  It is not important because the human population no longer eats wild foods. 
C)  By preserving the genes, we can control the growth of the wild relatives, which threaten our crop plants. 
D)  The wild relatives are the food sources for all domestic animal species. 
E)  It is not important because the wild species have all become extinct. 
A)  Beneficial genes from the wild relatives may be transferred into crop plants. 
B)  It is not important because the human population no longer eats wild foods. 
C)  By preserving the genes, we can control the growth of the wild relatives, which threaten our crop plants. 
D)  The wild relatives are the food sources for all domestic animal species. 
E)  It is not important because the wild species have all become extinct.

Question 8

Traditional medicines, which are used by the majority of people in less developed countries, are primarily derived from

Accepted Answer

A)  plants. 
B)  rock. 
C)  water. 
D)  commercially purchased ingredients. 
E)  animals. 
A)  plants. 
B)  rock. 
C)  water. 
D)  commercially purchased ingredients. 
E)  animals.

Question 9

Global warming is accelerating the growth of coral reefs.

Accepted Answer

A) True 
 B)False

Question 10

The conservation organization TAMAR has had some success in protecting sea turtles by

Accepted Answer

A)  lobbying for legislation that supports the cause. 
B)  fundraising in wealthy countries. 
C)  engaging the local community in conservation efforts. 
D)  increasing the market for turtle eggs. 
E)  making beautiful jewelry from turtle shells. 
A)  lobbying for legislation that supports the cause. 
B)  fundraising in wealthy countries. 
C)  engaging the local community in conservation efforts. 
D)  increasing the market for turtle eggs. 
E)  making beautiful jewelry from turtle shells.

Question 11

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 12

The is a keystone predator in the ocean.

Accepted Answer

The answer of The is a keystone predator in the...

Question 13

Deforestation affects the climate in what way?

Accepted Answer

A)  Increasing the levels of carbon dioxide 
B)  Decreasing global temperature 
C)  Decreasing the amount of wood available for building shelter 
D)  Decreasing the habitat space for forest- dwelling animals 
E)  Increasing the levels of oxygen 
A)  Increasing the levels of carbon dioxide 
B)  Decreasing global temperature 
C)  Decreasing the amount of wood available for building shelter 
D)  Decreasing the habitat space for forest- dwelling animals 
E)  Increasing the levels of oxygen

Question 14

It is difficult to estimate current rates of extinction, but we know that extinction rates have risen dramatically in recent years because

Accepted Answer

A)  most species in danger of extinction are microscopic. 
B)  new species are evolving as fast as species are becoming extinct. 
C)  current rates of extinction are much higher than that of background rates. 
D)  the fossil record is unreliable. 
E)  background extinction rates have increased. 
A)  most species in danger of extinction are microscopic. 
B)  new species are evolving as fast as species are becoming extinct. 
C)  current rates of extinction are much higher than that of background rates. 
D)  the fossil record is unreliable. 
E)  background extinction rates have increased.

Question 15

happens when people hunt, fish, or harvest a species at a rate that exceeds its natural capacity to sustain itself.

Accepted Answer

The answer of happens when people hunt, fish, or harvest...

Question 16

What causes mass extinctions?

Accepted Answer

Several reasons have

Question 17

-Native Americans planted crops of corn, squash, and beans. The beans increased the level of nitrogen in the soil. The corn required high levels of nitrogen and provided a support for the beans to climb and receive more sunlight. The large leaves on the squash shaded the ground and limited weed growth. This agricultural method

Accepted Answer

A)  is a type of sustainable agriculture. 
B)  caused mass extinctions. 
C)  reduced the ecosystem services. 
D)  created wildlife corridors. 
E)  increased the number of pests in the fields. 
A)  is a type of sustainable agriculture. 
B)  caused mass extinctions. 
C)  reduced the ecosystem services. 
D)  created wildlife corridors. 
E)  increased the number of pests in the fields.

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Pollutants such as may affect the reproduction of organisms.

Accepted Answer

A)  water 
B)  nitrogen 
C)  bisphenol A 
D)  sulfur 
E)  carbon monoxide 
A)  water 
B)  nitrogen 
C)  bisphenol A 
D)  sulfur 
E)  carbon monoxide

Question 20

Wetlands purify water by removing sediments and pollutants.

Accepted Answer

A) True 
 B)False

Exam 31: Conserving Earths Biodiversity

occurs when human developments break up natural ecosystems into smaller areas.

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

The ecological footprint of the human species is about

Invasive species cannot be introduced to the Great Lakes because they are isolated from the oceans.

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

What human activity can cause flooding along riverbanks?

Why is it important to preserve the genes of the wild relatives of crop plants?

Traditional medicines, which are used by the majority of people in less developed countries, are primarily derived from

Global warming is accelerating the growth of coral reefs.

The conservation organization TAMAR has had some success in protecting sea turtles by

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

The is a keystone predator in the ocean.

Deforestation affects the climate in what way?

It is difficult to estimate current rates of extinction, but we know that extinction rates have risen dramatically in recent years because

happens when people hunt, fish, or harvest a species at a rate that exceeds its natural capacity to sustain itself.

What causes mass extinctions?

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

Pollutants such as may affect the reproduction of organisms.

Wetlands purify water by removing sediments and pollutants.

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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