Question 1

Resource partitioning may include which of the following?

Accepted Answer

A)  Relocating nesting sites 
B)  Feeding at the same time of day 
C)  Eating the same prey 
D)  Overlapping reproductive seasons 
E)  Intraspecific competition 
A)  Relocating nesting sites 
B)  Feeding at the same time of day 
C)  Eating the same prey 
D)  Overlapping reproductive seasons 
E)  Intraspecific competition

Question 2

Which of the following is NOT an example of a predator-prey relationship?

Accepted Answer

A)  A mountain lion eating a deer 
B)  A deer eating grass 
C)  A fish eating plankton 
D)  An owl eating a mouse 
E)  All of these are examples of predator-prey interactions. 
A)  A mountain lion eating a deer 
B)  A deer eating grass 
C)  A fish eating plankton 
D)  An owl eating a mouse 
E)  All of these are examples of predator-prey interactions.

Question 3

Match between columns
                        Premises: Change in species composition produced at ecotones

Accepted Answer

The Answer of Bottom-up processes and Dominant species and Edge is...

Question 4

When the structural complexity of the vegetation is more complex, what can generally be said of the species richness?

Accepted Answer

A)  Species richness is not correlated to structural complexity of the vegetation. 
B)  Species richness increases. 
C)  Species richness decreases by a small amount. 
D)  Species richness decreases by a moderate amount. 
E)  Species richness decreases by a large amount. 
A)  Species richness is not correlated to structural complexity of the vegetation. 
B)  Species richness increases. 
C)  Species richness decreases by a small amount. 
D)  Species richness decreases by a moderate amount. 
E)  Species richness decreases by a large amount.

Question 5

Describe why identifying and conserving keystone species are important, provide an example of a keystone species

Accepted Answer

Concepts to Consider: Keystone species a

Question 6

Match between columns
                        Premises: Based on food webs

Accepted Answer

The Answer of Dominant species and Edge effect and Keystone is...

Question 7

Habitat is best described as:

Accepted Answer

A)  the local environment in which a species lives. 
B)  what a species eats. 
C)  what competes with a species. 
D)  the abiotic components of a species' environment. 
E)  the totality of adaptations by a species to its environment. 
A)  the local environment in which a species lives. 
B)  what a species eats. 
C)  what competes with a species. 
D)  the abiotic components of a species' environment. 
E)  the totality of adaptations by a species to its environment.

Question 8

Match between columns
                        Premises: Community ecology

Accepted Answer

The Answer of Species' ecological role within the structure and is...

Question 9

Mycorrhizae are associations between:

Accepted Answer

A)  coral animals and dinoflagellates. 
B)  two types of insects. 
C)  fungi and plant roots. 
D)  wasps and orchids. 
E)  epiphytes and rainforest trees. 
A)  coral animals and dinoflagellates. 
B)  two types of insects. 
C)  fungi and plant roots. 
D)  wasps and orchids. 
E)  epiphytes and rainforest trees.

Question 10

If you were to study all of the insect-eating birds in a forest, you would see that many birds eat insects, yet you may not see any evidence of competition. What is the most probable explanation?

Accepted Answer

A)  The birds have coevolved. 
B)  The birds are exhibiting resource partitioning. 
C)  The birds are exhibiting intraspecific competition only. 
D)  There is no keystone species in this community. 
E)  There is not enough species richness to see evidence of competition. 
A)  The birds have coevolved. 
B)  The birds are exhibiting resource partitioning. 
C)  The birds are exhibiting intraspecific competition only. 
D)  There is no keystone species in this community. 
E)  There is not enough species richness to see evidence of competition.

Question 11

A lake in which of the following locations would be expected to have the highest species richness?

Accepted Answer

A)  City 
B)  Farm 
C)  Metal mine 
D)  National forest 
E)  Grazed pasture 
A)  City 
B)  Farm 
C)  Metal mine 
D)  National forest 
E)  Grazed pasture

Question 12

Figure 54-2 
 ​

​ 
 Use the accompanying figure to summarize the key concepts relating to species richness from studies of birds in the South Pacific islands. Each dot in the figure represents an island.

Accepted Answer

1. The percentage of birds on

Question 13

An example of mutualism is:

Accepted Answer

A)  mycorrhizae and epiphytes. 
B)  epiphytes and tapeworms. 
C)  monarch and viceroy butterflies. 
D)  silverfish and army ants. 
E)  Rhizobium and legumes. 
A)  mycorrhizae and epiphytes. 
B)  epiphytes and tapeworms. 
C)  monarch and viceroy butterflies. 
D)  silverfish and army ants. 
E)  Rhizobium and legumes.

Question 14

The relationship between reef-building coral animals and zooxanthellae is classified as:

Accepted Answer

A)  mutualism. 
B)  commensalism. 
C)  Batesian mimicry. 
D)  parasitism. 
E)  character displacement. 
A)  mutualism. 
B)  commensalism. 
C)  Batesian mimicry. 
D)  parasitism. 
E)  character displacement.

Question 15

Suppose it is ideal for a fish to live in fast-moving water, but the fish can also survive in slow-moving water. Fast-moving water is best described as the fishes':

Accepted Answer

A)  fundamental niche. 
B)  realized niche. 
C)  displaced niche. 
D)  excluded niche. 
E)  limited niche. 
A)  fundamental niche. 
B)  realized niche. 
C)  displaced niche. 
D)  excluded niche. 
E)  limited niche.

Question 16

Competitive exclusion is a result of:

Accepted Answer

A)  interspecific competition. 
B)  intraspecific competition. 
C)  character displacement. 
D)  succession. 
E)  community complexity. 
A)  interspecific competition. 
B)  intraspecific competition. 
C)  character displacement. 
D)  succession. 
E)  community complexity.

Question 17

The current concept of a climax community states that forest communities:

Accepted Answer

A)  never reach a state of permanent equilibrium. 
B)  never are disturbed. 
C)  are determined solely by climate. 
D)  are not permanently affected by fires or floods. 
E)  are the inevitable end-point of succession. 
A)  never reach a state of permanent equilibrium. 
B)  never are disturbed. 
C)  are determined solely by climate. 
D)  are not permanently affected by fires or floods. 
E)  are the inevitable end-point of succession.

Question 18

Cryptic coloration advertises a species unpalatability to potential predators.

Accepted Answer

A) True 
 B)False

Question 19

In which of the following lakes would you expect to find the highest species richness?

Accepted Answer

A)  High pH 
B)  Low pH 
C)  High salt 
D)  Agricultural 
E)  Freshwater 
A)  High pH 
B)  Low pH 
C)  High salt 
D)  Agricultural 
E)  Freshwater

Question 20

Primary succession may be seen:

Accepted Answer

A)  on new lava or on sand dunes. 
B)  after a fire. 
C)  when farmland is abandoned. 
D)  only in tropical rain forests. 
E)  in any community that has periodic disturbances. 
A)  on new lava or on sand dunes. 
B)  after a fire. 
C)  when farmland is abandoned. 
D)  only in tropical rain forests. 
E)  in any community that has periodic disturbances.

Exam 54: Community Ecology

Resource partitioning may include which of the following?

Which of the following is NOT an example of a predator-prey relationship?

When the structural complexity of the vegetation is more complex, what can generally be said of the species richness?

Describe why identifying and conserving keystone species are important, provide an example of a keystone species

Habitat is best described as:

Mycorrhizae are associations between:

If you were to study all of the insect-eating birds in a forest, you would see that many birds eat insects, yet you may not see any evidence of competition. What is the most probable explanation?

A lake in which of the following locations would be expected to have the highest species richness?

Figure 54-2 ​ ​ Use the accompanying figure to summarize the key concepts relating to species richness from studies of birds in the South Pacific islands. Each dot in the figure represents an island.

An example of mutualism is:

The relationship between reef-building coral animals and zooxanthellae is classified as:

Suppose it is ideal for a fish to live in fast-moving water, but the fish can also survive in slow-moving water. Fast-moving water is best described as the fishes':

Competitive exclusion is a result of:

The current concept of a climax community states that forest communities:

Cryptic coloration advertises a species unpalatability to potential predators.

In which of the following lakes would you expect to find the highest species richness?

Primary succession may be seen:

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

DNA: The Carrier of Genetic Information

Gene Expression

Gene Regulation

DNA Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

Figure 54-2 Use the accompanying figure to summarize the key concepts relating to species richness from studies of birds in the South Pacific islands. Each dot in the figure represents an island.