Question 1

Secondary succession occurs more quickly than primary succession mainly because ____.

Accepted Answer

A)  improved soil is present from the start 
B)  disturbances in the community exposes more soil 
C)  rocky areas contain more minerals 
D)  sunlight is more available 
E)  nitrogen-fixing bacteria are present 
A)  improved soil is present from the start 
B)  disturbances in the community exposes more soil 
C)  rocky areas contain more minerals 
D)  sunlight is more available 
E)  nitrogen-fixing bacteria are present

Question 2

Choose the most appropriate answer for each.
-Camouflage

Accepted Answer

A) Blending in and being hidden by the background 
B) Relative abundance of each species 
C) One organism benefits at another organism's expense 
D) Opportunistic colonizers of a newly vacated habitat 
E) Lichens on newly hardened, newly cooled lava
F)Number of species in a community
G)Symbiotic interaction that minimizes the costs and maximizes the benefits for both partners
H)One species is eliminated from an area of niche overlap
I)Tasty species resembles repugnant one
J)The process that leads from a pioneer community to a mature community
K)Natural reforestation of burned-over forest 
A) Blending in and being hidden by the background 
B) Relative abundance of each species 
C) One organism benefits at another organism's expense 
D) Opportunistic colonizers of a newly vacated habitat 
E) Lichens on newly hardened, newly cooled lava
F)Number of species in a community
G)Symbiotic interaction that minimizes the costs and maximizes the benefits for both partners
H)One species is eliminated from an area of niche overlap
I)Tasty species resembles repugnant one
J)The process that leads from a pioneer community to a mature community
K)Natural reforestation of burned-over forest

Question 3

A one-way relationship in which one species benefits at the expense of another is ____.

Accepted Answer

A)  commensalism 
B)  competitive exclusion 
C)  parasitism 
D)  obligate mutualism 
E)  a neutral relationship 
A)  commensalism 
B)  competitive exclusion 
C)  parasitism 
D)  obligate mutualism 
E)  a neutral relationship

Question 4

Interspecies interaction that benefits both participants is known as __________.

Accepted Answer

A)  commensalism 
B)  symbiosis 
C)  parasitism 
D)  epiphytic 
E)  mutualism 
A)  commensalism 
B)  symbiosis 
C)  parasitism 
D)  epiphytic 
E)  mutualism

Question 5

Figure 45.11A and B

-The images above of a stinging wasp and a nonstinging fly are an example of ____.

Accepted Answer

A)  Mimicry 
B)  display behavior 
C)  mimicry and warning coloration 
D)  chemical defenses 
E)  Camouflage 
A)  Mimicry 
B)  display behavior 
C)  mimicry and warning coloration 
D)  chemical defenses 
E)  Camouflage

Question 6

____ arises as a result of directional selection on species that share a limited resource; the result is minimized competition.

Accepted Answer

A)  Resource partitioning 
B)  Inclusive competition 
C)  Intraspecific cooperation 
D)  Primary succession 
E)  Secondary succession 
A)  Resource partitioning 
B)  Inclusive competition 
C)  Intraspecific cooperation 
D)  Primary succession 
E)  Secondary succession

Question 7

Species that are especially intolerant of physical disturbance to their environment are referred to as ____.

Accepted Answer

A)  ecosystem engineers 
B)  indicator species 
C)  exotic species 
D)  native species 
E)  pioneer species 
A)  ecosystem engineers 
B)  indicator species 
C)  exotic species 
D)  native species 
E)  pioneer species

Question 8

Figure 45.6A

-The image in the above photograph is a prime example of ____.

Accepted Answer

A)  double mutualism 
B)  associative commensalism 
C)  interference competition 
D)  team predation 
E)  Parasitism 
A)  double mutualism 
B)  associative commensalism 
C)  interference competition 
D)  team predation 
E)  Parasitism

Question 9

Choose the most appropriate answer for each.
-Species evenness

Accepted Answer

A) Blending in and being hidden by the background 
B) Relative abundance of each species 
C) One organism benefits at another organism's expense 
D) Opportunistic colonizers of a newly vacated habitat 
E) Lichens on newly hardened, newly cooled lava
F)Number of species in a community
G)Symbiotic interaction that minimizes the costs and maximizes the benefits for both partners
H)One species is eliminated from an area of niche overlap
I)Tasty species resembles repugnant one
J)The process that leads from a pioneer community to a mature community
K)Natural reforestation of burned-over forest 
A) Blending in and being hidden by the background 
B) Relative abundance of each species 
C) One organism benefits at another organism's expense 
D) Opportunistic colonizers of a newly vacated habitat 
E) Lichens on newly hardened, newly cooled lava
F)Number of species in a community
G)Symbiotic interaction that minimizes the costs and maximizes the benefits for both partners
H)One species is eliminated from an area of niche overlap
I)Tasty species resembles repugnant one
J)The process that leads from a pioneer community to a mature community
K)Natural reforestation of burned-over forest

Question 10

Predators often avoid a mimic species because of ____.

Accepted Answer

A)  bad taste 
B)  toxic secretion 
C)  resemblance to a well-defended species 
D)  painful sting 
E)  cryptic coloration 
A)  bad taste 
B)  toxic secretion 
C)  resemblance to a well-defended species 
D)  painful sting 
E)  cryptic coloration

Question 11

Respond to the following statements in reference to the five kinds of species interactions listed below.
-An example of this interaction is that between an epiphyte and its host.

Accepted Answer

A) Competition 
B) Predation 
C) Mutualism 
D) Commensalism 
E) Parasitism 
A) Competition 
B) Predation 
C) Mutualism 
D) Commensalism 
E) Parasitism

Exam 45: Community Ecology

Secondary succession occurs more quickly than primary succession mainly because ____.

Choose the most appropriate answer for each. -Camouflage

A one-way relationship in which one species benefits at the expense of another is ____.

Interspecies interaction that benefits both participants is known as __________.

Figure 45.11A and B -The images above of a stinging wasp and a nonstinging fly are an example of ____.

____ arises as a result of directional selection on species that share a limited resource; the result is minimized competition.

Species that are especially intolerant of physical disturbance to their environment are referred to as ____.

Figure 45.6A -The image in the above photograph is a prime example of ____.

Choose the most appropriate answer for each. -Species evenness

Predators often avoid a mimic species because of ____.

Respond to the following statements in reference to the five kinds of species interactions listed below. -An example of this interaction is that between an epiphyte and its host.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters