Question 1

Figure 45.15

-The photograph above of the aphid and the wasp is an example of ____.

Accepted Answer

A)  Mimicry 
B)  display behavior 
C)  warning coloration 
D)  chemical defenses 
E)  biological control of pests 
A)  Mimicry 
B)  display behavior 
C)  warning coloration 
D)  chemical defenses 
E)  biological control of pests E

Question 2

Which of the following is NOT true of tropical communities?

Accepted Answer

A)  They occur at the equator. 
B)  They receive more intense sunlight. 
C)  They have a longer growing season. 
D)  They receive less rainfall than temperate communities. 
E)  They have been established for a longer period of time. 
A)  They occur at the equator. 
B)  They receive more intense sunlight. 
C)  They have a longer growing season. 
D)  They receive less rainfall than temperate communities. 
E)  They have been established for a longer period of time. D

Question 3

Four of the following statements are true of predator-prey coevolution.Which one is FALSE?

Accepted Answer

A)  Each species exerts selection pressure on the other. 
B)  Predators are selective agents that favor improved prey defenses. 
C)  Prey with better defenses are selective agents that favor better predator hunting skills. 
D)  Coevolution only occurs in animals and is usually seen after one reproductive generation. 
E)  Camouflage, warning coloration, and mimicry are all examples of coevolution tactics. 
A)  Each species exerts selection pressure on the other. 
B)  Predators are selective agents that favor improved prey defenses. 
C)  Prey with better defenses are selective agents that favor better predator hunting skills. 
D)  Coevolution only occurs in animals and is usually seen after one reproductive generation. 
E)  Camouflage, warning coloration, and mimicry are all examples of coevolution tactics. D

Question 4

An example of commensalism is a(n)____.

Accepted Answer

A)  a clown fish living in a sea anemone 
B)  an orchid growing on a tree branch 
C)  yucca plant seeds dispersed by yucca moths 
D)  Canadian lynx preying on a snowshoe hare 
E)  a tapeworm living in a human intestine 
A)  a clown fish living in a sea anemone 
B)  an orchid growing on a tree branch 
C)  yucca plant seeds dispersed by yucca moths 
D)  Canadian lynx preying on a snowshoe hare 
E)  a tapeworm living in a human intestine

Question 5

Of the following four islands at the same latitude,which one likely possesses the fewest species?

Accepted Answer

A)  1,000 square kilometers in area and 300 km from the mainland 
B)  3,000 square kilometers in area and 100 km from the mainland 
C)  100 square kilometers in area and 3,000 km from the mainland 
D)  300 square kilometers in area and 1,000 km from the mainland 
E)  All islands are at the same latitude, so they are all likely to have the same species richness. 
A)  1,000 square kilometers in area and 300 km from the mainland 
B)  3,000 square kilometers in area and 100 km from the mainland 
C)  100 square kilometers in area and 3,000 km from the mainland 
D)  300 square kilometers in area and 1,000 km from the mainland 
E)  All islands are at the same latitude, so they are all likely to have the same species richness.

Question 6

Which of the following does NOT apply to parasitoids?

Accepted Answer

A)  They are insects. 
B)  They kill animals on which they feed. 
C)  Their host usually survives. 
D)  The larvae develop in a host's body. 
E)  Some are effective biological control agents. 
A)  They are insects. 
B)  They kill animals on which they feed. 
C)  Their host usually survives. 
D)  The larvae develop in a host's body. 
E)  Some are effective biological control agents.

Question 7

Each species occupies a certain ecological __________,characterized by its interactions with the physical and chemical features and the other species living in it.

Accepted Answer

The answer of Each species occupies a certain ecological __________,characterized...

Question 8

Pioneer species are usually characterized by ____

Accepted Answer

A)  small size 
B)  tolerance to extreme environmental conditions 
C)  slow maturation 
D)  small size and tolerance to extreme environmental conditions 
E)  small size and slow maturation 
A)  small size 
B)  tolerance to extreme environmental conditions 
C)  slow maturation 
D)  small size and tolerance to extreme environmental conditions 
E)  small size and slow maturation

Question 9

Which of the following represents an early stage in primary succession?

Accepted Answer

A)  Pine trees 
B)  Moss and lichens on bare rock 
C)  Weedy annual plants in an open field 
D)  Climax species in succession 
E)  Alder, cottonwood, and willow thickets 
A)  Pine trees 
B)  Moss and lichens on bare rock 
C)  Weedy annual plants in an open field 
D)  Climax species in succession 
E)  Alder, cottonwood, and willow thickets

Question 10

The first species of a community are __________.

Accepted Answer

The answer of The first species of a community are...

Question 11

Choose the most appropriate answer for each.
-Secondary succession

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 12

All of the populations of different species that occupy and are adapted to a given area are known as ____.

Accepted Answer

A)  the biosphere 
B)  a community 
C)  an ecosystem 
D)  a niche 
E)  the habitat 
A)  the biosphere 
B)  a community 
C)  an ecosystem 
D)  a niche 
E)  the habitat

Question 13

Character displacement makes competing species less similar,which facilitates __________.

Accepted Answer

Resource p

Question 14

__________ are free-living and usually kill their prey.

Accepted Answer

The answer of __________ are free-living and usually kill their...

Question 15

Respond to the following statements in reference to the five kinds of species interactions listed below.
-Lampreys feeding on other fish is an example of this.

Accepted Answer

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

Question 16

An interaction in which one species benefits and the second species is neither harmed nor benefited is known as ____.

Accepted Answer

A)  mutualism 
B)  parasitism 
C)  commensalism 
D)  competition 
E)  predation 
A)  mutualism 
B)  parasitism 
C)  commensalism 
D)  competition 
E)  predation

Question 17

When a species lacking a defense mechanism looks like another well-defended species,it is called _____.

Accepted Answer

A)  Batesian mimicry 
B)  Mullerian mimicry 
C)  Warning coloration 
D)  Camouflage 
E)  Mutation 
A)  Batesian mimicry 
B)  Mullerian mimicry 
C)  Warning coloration 
D)  Camouflage 
E)  Mutation

Question 18

Insects that lay eggs in or on another insect,called ____________,are often used in biological pest control.

Accepted Answer

A)  parasitoids 
B)  brood parasites 
C)  commensal insects 
D)  invaders 
E)  hymenopterans 
A)  parasitoids 
B)  brood parasites 
C)  commensal insects 
D)  invaders 
E)  hymenopterans

Question 19

Figure 45.4

-The relationship between the sea anemone and a pink anemonefish shown above is ____

Accepted Answer

A)  a parasitic association 
B)  Predation 
C)  resource partitioning 
D)  a mutualistic association 
E)  an epiphytic relationship 
A)  a parasitic association 
B)  Predation 
C)  resource partitioning 
D)  a mutualistic association 
E)  an epiphytic relationship

Question 20

Which statement is NOT generally characteristic of parasites?

Accepted Answer

A)  They are specialists and usually are able to affect only one variety of hosts. 
B)  They inflict serious injury and kill their hosts immediately. 
C)  Their presence can weaken a host and make it more vulnerable to predation. 
D)  Their presence can reduce reproductive fitness. 
E)  Plants as well as animals can be parasites. 
A)  They are specialists and usually are able to affect only one variety of hosts. 
B)  They inflict serious injury and kill their hosts immediately. 
C)  Their presence can weaken a host and make it more vulnerable to predation. 
D)  Their presence can reduce reproductive fitness. 
E)  Plants as well as animals can be parasites.

Exam 45: Community Ecology

Figure 45.15 -The photograph above of the aphid and the wasp is an example of ____.

Which of the following is NOT true of tropical communities?

Four of the following statements are true of predator-prey coevolution.Which one is FALSE?

An example of commensalism is a(n)____.

Of the following four islands at the same latitude,which one likely possesses the fewest species?

Which of the following does NOT apply to parasitoids?

Each species occupies a certain ecological __________,characterized by its interactions with the physical and chemical features and the other species living in it.

Pioneer species are usually characterized by ____

Which of the following represents an early stage in primary succession?

The first species of a community are __________.

Choose the most appropriate answer for each. -Secondary succession

All of the populations of different species that occupy and are adapted to a given area are known as ____.

Character displacement makes competing species less similar,which facilitates __________.

__________ are free-living and usually kill their prey.

Respond to the following statements in reference to the five kinds of species interactions listed below. -Lampreys feeding on other fish is an example of this.

An interaction in which one species benefits and the second species is neither harmed nor benefited is known as ____.

When a species lacking a defense mechanism looks like another well-defended species,it is called _____.

Insects that lay eggs in or on another insect,called ____________,are often used in biological pest control.

Figure 45.4 -The relationship between the sea anemone and a pink anemonefish shown above is ____

Which statement is NOT generally characteristic of parasites?

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