Question 1

Which of the following is not one of the main types of interactions that occur among species in a community?

Accepted Answer

A)  intraspecific competition 
B)  predation 
C)  reproduction 
D)  symbiosis 
E)  interspecific competition 
A)  intraspecific competition 
B)  predation 
C)  reproduction 
D)  symbiosis 
E)  interspecific competition

Question 2

In Mullerian mimicry a defenseless species is protected by its resemblance to a dangerous species.
____________________

Accepted Answer

A) True 
 B)False

Question 3

Figure 54-1
Use the figure to answer the corresponding question(s).  
-In Experimental Condition 2 of Figure 54-1, the distribution of Chthamalus suggests:

Accepted Answer

A)  that interspecific competition kept Chthamalus from extending lower into the intertidal area. 
B)  that intraspecific competition kept Chthamalus from extending lower into the intertidal area. 
C)  that a limiting factor kept Chthamalus from extending lower into the intertidal area. 
D)  that a barnacle parasite kept Chthamalus from extending lower into the intertidal area. 
E)  that predation kept Chthamalus from extending lower into the intertidal area. 
A)  that interspecific competition kept Chthamalus from extending lower into the intertidal area. 
B)  that intraspecific competition kept Chthamalus from extending lower into the intertidal area. 
C)  that a limiting factor kept Chthamalus from extending lower into the intertidal area. 
D)  that a barnacle parasite kept Chthamalus from extending lower into the intertidal area. 
E)  that predation kept Chthamalus from extending lower into the intertidal area.

Question 4

An example of both chemical protection and coevolution is seen in:

Accepted Answer

A)  yellow goldenrod spiders and goldenrod. 
B)  milkweeds and monarch caterpillars. 
C)  the poison arrow frog and flying insects. 
D)  coral animals and dinoflagellates. 
E)  mycorrhizae. 
A)  yellow goldenrod spiders and goldenrod. 
B)  milkweeds and monarch caterpillars. 
C)  the poison arrow frog and flying insects. 
D)  coral animals and dinoflagellates. 
E)  mycorrhizae.

Question 5

Which of the following organisms is a keystone species in a tropical rain forest?

Accepted Answer

A)  gray wolf 
B)  fruit-eating bats 
C)  poison arrow frogs 
D)  fig trees 
E)  fruit-eating monkeys 
A)  gray wolf 
B)  fruit-eating bats 
C)  poison arrow frogs 
D)  fig trees 
E)  fruit-eating monkeys

Question 6

Niches apply to:

Accepted Answer

A)  individual organisms. 
B)  individual species. 
C)  groups of species. 
D)  communities. 
E)  ecosystems. 
A)  individual organisms. 
B)  individual species. 
C)  groups of species. 
D)  communities. 
E)  ecosystems.

Question 7

The __________ niche is the broadest role that an organism can potentially have in a community.

Accepted Answer

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

Question 8

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 9

MATCHING
a.restricts ecological niche species
d.finding common patterns and processes within the community
b.local environment in which a species lives
e.biological community and its abiotic environment
c.species' ecological role within the structure and function of a community
-habitat

Accepted Answer

The answer of MATCHING
a.restricts ecological niche species
d.finding common patterns and...

Question 10

In a lake, a certain native species of zooplankton is found evenly distributed in the water column.After introduction of a different species of zooplankton, the native species is only found in the shallow water zone.This is most likely an illustration of:

Accepted Answer

A)  character displacement. 
B)  species richness. 
C)  primary succession. 
D)  secondary succession. 
E)  competitive exclusion. 
A)  character displacement. 
B)  species richness. 
C)  primary succession. 
D)  secondary succession. 
E)  competitive exclusion.

Question 11

Cryptic coloration advertises a species unpalatability to potential predators.
____________________

Accepted Answer

A) True 
 B)False

Question 12

The potential ecological niche of a species is its realized niche.
____________________

Accepted Answer

A) True 
 B)False

Question 13

Describe the factors that affect species richness.Describe the parameters that would probably result in an environment with the greatest possible species richness.Knowing what you do about the tropical rain forests, do they meet these expected parameters?

Accepted Answer

Concepts to Consider: Species richness i

Question 14

A frog that lacks chemical defenses, yet resembles a poison arrow frog, would exhibit:

Accepted Answer

A)  Batesian mimicry. 
B)  mutualism. 
C)  camouflage. 
D)  Müllerian mimicry. 
E)  epistasis. 
A)  Batesian mimicry. 
B)  mutualism. 
C)  camouflage. 
D)  Müllerian mimicry. 
E)  epistasis.

Exam 54: Community Ecology

Which of the following is not one of the main types of interactions that occur among species in a community?

In Mullerian mimicry a defenseless species is protected by its resemblance to a dangerous species. ____________________

Figure 54-1 Use the figure to answer the corresponding question(s). -In Experimental Condition 2 of Figure 54-1, the distribution of Chthamalus suggests:

An example of both chemical protection and coevolution is seen in:

Which of the following organisms is a keystone species in a tropical rain forest?

Niches apply to:

The __________ niche is the broadest role that an organism can potentially have in a community.

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?

MATCHING a.restricts ecological niche species d.finding common patterns and processes within the community b.local environment in which a species lives e.biological community and its abiotic environment c.species' ecological role within the structure and function of a community -habitat

In a lake, a certain native species of zooplankton is found evenly distributed in the water column.After introduction of a different species of zooplankton, the native species is only found in the shallow water zone.This is most likely an illustration of:

Cryptic coloration advertises a species unpalatability to potential predators. ____________________

The potential ecological niche of a species is its realized niche. ____________________

Describe the factors that affect species richness.Describe the parameters that would probably result in an environment with the greatest possible species richness.Knowing what you do about the tropical rain forests, do they meet these expected parameters?

A frog that lacks chemical defenses, yet resembles a poison arrow frog, would exhibit:

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