Question 1

The range of all factors that influence whether a species can obtain resources essential for survival and reproduction is its

Accepted Answer

A) habitat. 
B) niche. 
C) carrying capacity. 
D) ecosystem. 
E) community. 
A) habitat. 
B) niche. 
C) carrying capacity. 
D) ecosystem. 
E) community. B

Question 2

Which of the following is (are) an adaptation(s) against predation?

Accepted Answer

A) thorns 
B) camouflage 
C) mimicry 
D) thorns and camouflage 
E) thorns, camouflage, and mimicry 
A) thorns 
B) camouflage 
C) mimicry 
D) thorns and camouflage 
E) thorns, camouflage, and mimicry E

Question 3

Predators often avoid a mimic species because of

Accepted Answer

A) its bad taste. 
B) its toxic secretion. 
C) its resemblance to a model species. 
D) its painful sting. 
E) all of these. 
A) its bad taste. 
B) its toxic secretion. 
C) its resemblance to a model species. 
D) its painful sting. 
E) all of these. C

Question 4

-The images above are an example of

Accepted Answer

A) mimicry. 
B) display behavior. 
C) warning coloration. 
D) chemical defenses. 
E) camouflage. 
A) mimicry. 
B) display behavior. 
C) warning coloration. 
D) chemical defenses. 
E) camouflage.

Question 5

The condition of the fire ant in the above photograph is caused by

Accepted Answer

A) biological control with phorid flies. 
B) pesticides. 
C) wholesale physical destruction of their mounds. 
D) herbicides. 
E) all of these. 
A) biological control with phorid flies. 
B) pesticides. 
C) wholesale physical destruction of their mounds. 
D) herbicides. 
E) all of these.

Question 6

Gause's experiments with Paramecium growing in test tubes demonstrated that

Accepted Answer

A) organisms with similar niches evolve enough to survive in different niches. 
B) organisms with slightly different nutritional requirements change to become exclusive competitors. 
C) organisms with similar nutritional requirements may compete to the point of extinction. 
D) organisms with slightly different nutritional requirements change to become exclusive competitors, and organisms with similar nutritional requirements may compete to the point of extinction. 
E) organisms with similar niches evolve enough to survive in different niches, and organisms with similar nutritional requirements may compete to the point of extinction. 
A) organisms with similar niches evolve enough to survive in different niches. 
B) organisms with slightly different nutritional requirements change to become exclusive competitors. 
C) organisms with similar nutritional requirements may compete to the point of extinction. 
D) organisms with slightly different nutritional requirements change to become exclusive competitors, and organisms with similar nutritional requirements may compete to the point of extinction. 
E) organisms with similar niches evolve enough to survive in different niches, and organisms with similar nutritional requirements may compete to the point of extinction.

Question 7

When Shakespeare wrote about the world as a stage and each of us being players, he was unknowingly referring to the biological concept of

Accepted Answer

A) succession. 
B) the niche. 
C) different habitats. 
D) feeding levels. 
E) interspecific competition. 
A) succession. 
B) the niche. 
C) different habitats. 
D) feeding levels. 
E) interspecific competition.

Question 8

Which of the following affect(s) predator-prey interactions?

Accepted Answer

A) prey reproductive rate 
B) presence of an alternative predator or prey species 
C) predator response to prey density 
D) predator reproductive rate 
E) all of these 
A) prey reproductive rate 
B) presence of an alternative predator or prey species 
C) predator response to prey density 
D) predator reproductive rate 
E) all of these

Question 9

Which of the following statements 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. 
C) Some reside inside their hosts, whereas others live outside their hosts. 
D) Their host may be a plant as well as an animal. 
E) Some require more than one host to complete the life cycle. 
A) They are specialists and usually are able to affect only one variety of hosts. 
B) They inflict serious injury and kill their hosts. 
C) Some reside inside their hosts, whereas others live outside their hosts. 
D) Their host may be a plant as well as an animal. 
E) Some require more than one host to complete the life cycle.

Question 10

Competitive exclusion is the result of

Accepted Answer

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

Question 11

-The relationship above is

Accepted Answer

A) a parasitic association. 
B) predation. 
C) resource partitioning. 
D) a mutualistic association essential to the fish but not the anemone. 
E) none of these. 
A) a parasitic association. 
B) predation. 
C) resource partitioning. 
D) a mutualistic association essential to the fish but not the anemone. 
E) none of these.

Question 12

Populations are held in check by

Accepted Answer

A) resource partitioning. 
B) predation. 
C) social parasitism. 
D) competition. 
E) any of these. 
A) resource partitioning. 
B) predation. 
C) social parasitism. 
D) competition. 
E) any of these.

Question 13

Chemicals in both plants and animals serve as which of the following to predators?

Accepted Answer

A) warnings 
B) repellents 
C) toxins 
D) bad tastes 
E) all of these 
A) warnings 
B) repellents 
C) toxins 
D) bad tastes 
E) all of these

Question 14

Insects that lay their eggs in and whose larvae subsequently feed on the soft tissues of the host are

Accepted Answer

A) typical parasites. 
B) commensals. 
C) parasitoids. 
D) predators. 
E) cannibalistic. 
A) typical parasites. 
B) commensals. 
C) parasitoids. 
D) predators. 
E) cannibalistic.

Question 15

The relationship between an insect and the plants it pollinates is

Accepted Answer

A) mutualism. 
B) competitive exclusion. 
C) parasitism. 
D) commensalism. 
E) all of these. 
A) mutualism. 
B) competitive exclusion. 
C) parasitism. 
D) commensalism. 
E) all of these.

Question 16

Which is NOT an example of coevolution?

Accepted Answer

A) insect and flowering plant 
B) predator and prey 
C) host and parasite 
D) model and mimic 
E) sharks and dolphins 
A) insect and flowering plant 
B) predator and prey 
C) host and parasite 
D) model and mimic 
E) sharks and dolphins

Question 17

Promising options being explored to control fire ants include

Accepted Answer

A) biological controls. 
B) pesticides. 
C) wholesale physical destruction of their mounds. 
D) herbicides. 
E) all of these. 
A) biological controls. 
B) pesticides. 
C) wholesale physical destruction of their mounds. 
D) herbicides. 
E) all of these.

Question 18

-The interaction between different species is

Accepted Answer

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

Question 19

An interaction between two species in which both species benefit is

Accepted Answer

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

Question 20

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.

Exam 46: Community Structure and Biodiversity

The range of all factors that influence whether a species can obtain resources essential for survival and reproduction is its

Which of the following is (are) an adaptation(s) against predation?

Predators often avoid a mimic species because of

-The images above are an example of

The condition of the fire ant in the above photograph is caused by

Gause's experiments with Paramecium growing in test tubes demonstrated that

When Shakespeare wrote about the world as a stage and each of us being players, he was unknowingly referring to the biological concept of

Which of the following affect(s) predator-prey interactions?

Which of the following statements is NOT generally characteristic of parasites?

Competitive exclusion is the result of

-The relationship above is

Populations are held in check by

Chemicals in both plants and animals serve as which of the following to predators?

Insects that lay their eggs in and whose larvae subsequently feed on the soft tissues of the host are

The relationship between an insect and the plants it pollinates is

Which is NOT an example of coevolution?

Promising options being explored to control fire ants include

-The interaction between different species is

An interaction between two species in which both species benefit is

The image in the above photograph is a prime example of

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

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