Question 1

What is soil? Why is it important? Outline some of the critical factors in soil development.

Accepted Answer

Soil is a mixture of inorganic materials

Question 2

Net community productivity (NCP) ________.

Accepted Answer

A)  is GPP minus NPP 
B)  increases as an ecosystem matures 
C)  is GPP and NPP minus autotrophic and heterotrophic respiration 
D)  is GPP plus respiration 
A)  is GPP minus NPP 
B)  increases as an ecosystem matures 
C)  is GPP and NPP minus autotrophic and heterotrophic respiration 
D)  is GPP plus respiration

Question 3

How and why does the number of species change as latitude increases?

Accepted Answer

The number of species decreases as latit

Question 4

The following list best represents ecosystem structure from smallest to largest: ________.

Accepted Answer

A)  organism, population, community, ecosystem, biome 
B)  organism, population, community, biome, ecosystem 
C)  organism, community, biome, population, ecosystem 
D)  biome, ecosystem, community, population, organism 
A)  organism, population, community, ecosystem, biome 
B)  organism, population, community, biome, ecosystem 
C)  organism, community, biome, population, ecosystem 
D)  biome, ecosystem, community, population, organism

Question 5

Common characteristics of living organisms include ________.

Accepted Answer

A)  react to their environment 
B)  increasing in size and complexity over time 
C)  using energy to maintain internal order 
D)  All of the above 
A)  react to their environment 
B)  increasing in size and complexity over time 
C)  using energy to maintain internal order 
D)  All of the above

Question 6

What is a specialist species? What is a generalist species? Give examples of each.

Accepted Answer

Specialist species have narrow niches, o

Question 7

A species may widely tolerate variation in some factors but have a very narrow range of tolerance for other factors.

Accepted Answer

A) True 
 B)False

Question 8

In the Arctic, there are more alternative energy pathways in the food web than in the tropics.

Accepted Answer

A) True 
 B)False

Question 9

________ is an example of kinetic energy.

Accepted Answer

A)  A hamburger 
B)  Water stored behind a dam 
C)  A litre of gasoline 
D)  Running water 
A)  A hamburger 
B)  Water stored behind a dam 
C)  A litre of gasoline 
D)  Running water

Question 10

Genetic diversity in a population increases ability to avoid inbreeding and withstand stress.

Accepted Answer

A) True 
 B)False

Question 11

________ has the highest average net productivity.

Accepted Answer

A)  Agricultural land 
B)  Savannah 
C)  Tundra 
D)  An estuary 
A)  Agricultural land 
B)  Savannah 
C)  Tundra 
D)  An estuary

Question 12

High biodiversity is often considered synonymous with ecosystem health.

Accepted Answer

A) True 
 B)False

Question 13

A species' range of tolerance is bounded by ________.

Accepted Answer

A)  zones of intolerance 
B)  too much growth 
C)  limiting factors too severe to permit growth 
D)  Both a and c 
A)  zones of intolerance 
B)  too much growth 
C)  limiting factors too severe to permit growth 
D)  Both a and c

Question 14

The portion of the ecosphere that contains all water on Earth is called the ________.

Accepted Answer

A)  atmosphere 
B)  lithosphere 
C)  hydrosphere 
D)  thermosphere 
A)  atmosphere 
B)  lithosphere 
C)  hydrosphere 
D)  thermosphere

Question 15

Defenses that prey have developed to avoid predation include ________.

Accepted Answer

A)  chemicals 
B)  camouflage 
C)  thorns 
D)  All of the above 
A)  chemicals 
B)  camouflage 
C)  thorns 
D)  All of the above

Question 16

Which statement on keystone species is FALSE?

Accepted Answer

A)  Keystone species are usually near the bottom of the food chain. 
B)  A keystone species has a strong influence on the entire community. 
C)  A keystone species has the potential to affect the limits of tolerance of other species in the community. 
D)  The full impact of removing a keystone species from an ecosystem may not be evident for years or even centuries. 
A)  Keystone species are usually near the bottom of the food chain. 
B)  A keystone species has a strong influence on the entire community. 
C)  A keystone species has the potential to affect the limits of tolerance of other species in the community. 
D)  The full impact of removing a keystone species from an ecosystem may not be evident for years or even centuries.

Question 17

Ecosystems are "open systems."

Accepted Answer

A) True 
 B)False

Question 18

The amount of energy available to heterotrophs is ________.

Accepted Answer

A)  net primary productivity (NPP) 
B)  always equal 
C)  kilocalories per unit area 
D)  gross primary productivity 
A)  net primary productivity (NPP) 
B)  always equal 
C)  kilocalories per unit area 
D)  gross primary productivity

Question 19

________ of the sun's incoming energy forms the basis for our ecological systems.

Accepted Answer

A)  Twenty-three per cent 
B)  Thirty-four per cent 
C)  One per cent 
D)  Forty-two per cent 
A)  Twenty-three per cent 
B)  Thirty-four per cent 
C)  One per cent 
D)  Forty-two per cent

Question 20

Energy from the sun is called ________ energy.

Accepted Answer

A)  radiant 
B)  heat 
C)  kinetic 
D)  potential 
A)  radiant 
B)  heat 
C)  kinetic 
D)  potential

What is soil? Why is it important? Outline some of the critical factors in soil development.

Net community productivity (NCP) ________.

How and why does the number of species change as latitude increases?

The following list best represents ecosystem structure from smallest to largest: ________.

Common characteristics of living organisms include ________.

What is a specialist species? What is a generalist species? Give examples of each.

A species may widely tolerate variation in some factors but have a very narrow range of tolerance for other factors.

In the Arctic, there are more alternative energy pathways in the food web than in the tropics.

________ is an example of kinetic energy.

Genetic diversity in a population increases ability to avoid inbreeding and withstand stress.

________ has the highest average net productivity.

High biodiversity is often considered synonymous with ecosystem health.

A species' range of tolerance is bounded by ________.

The portion of the ecosphere that contains all water on Earth is called the ________.

Defenses that prey have developed to avoid predation include ________.

Which statement on keystone species is FALSE?

Ecosystems are "open systems."

The amount of energy available to heterotrophs is ________.

________ of the sun's incoming energy forms the basis for our ecological systems.

Energy from the sun is called ________ energy.

Environment, Resources, and Society

Responding to Global Environmental Change

Ecosystems Are Dynamic

Ecosystems and Matter Cycling

Planning and Management Perspectives

Planning and Management: Processes and Methods

Climate Change

Oceans and Fisheries

Forests

Agriculture

Water

Minerals and Energy

Urban Environmental Management

Endangered Species and Protected Areas

Filters

Exam 3: Energy Flows and Ecosystems

What is soil? Why is it important? Outline some of the critical factors in soil development.

Net community productivity (NCP) ________.

How and why does the number of species change as latitude increases?

The following list best represents ecosystem structure from smallest to largest: ________.

Common characteristics of living organisms include ________.

What is a specialist species? What is a generalist species? Give examples of each.

A species may widely tolerate variation in some factors but have a very narrow range of tolerance for other factors.

In the Arctic, there are more alternative energy pathways in the food web than in the tropics.

________ is an example of kinetic energy.

Genetic diversity in a population increases ability to avoid inbreeding and withstand stress.

________ has the highest average net productivity.

High biodiversity is often considered synonymous with ecosystem health.

A species' range of tolerance is bounded by ________.

The portion of the ecosphere that contains all water on Earth is called the ________.

Defenses that prey have developed to avoid predation include ________.

Which statement on keystone species is FALSE?

Ecosystems are "open systems."

The amount of energy available to heterotrophs is ________.

________ of the sun's incoming energy forms the basis for our ecological systems.

Energy from the sun is called ________ energy.

Environment, Resources, and Society

Responding to Global Environmental Change

Ecosystems Are Dynamic

Ecosystems and Matter Cycling

Planning and Management Perspectives

Planning and Management: Processes and Methods

Climate Change

Oceans and Fisheries

Forests

Agriculture

Water

Minerals and Energy

Urban Environmental Management

Endangered Species and Protected Areas

Filters