Question 1

All of the populations of different species that occupy and are adapted to a given area are

Accepted Answer

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

Question 2

What conclusion can be drawn from research on abundance cycles of Canadian lynx and snowshoe hare?

Accepted Answer

A) A simple predator-prey model explains the results. 
B) A simple plant-herbivore model explains the results. 
C) Raptor activity has no effect on the outcome. 
D) Complex variables are involved. 
E) Manipulation of experimental plots stopped cyclic changes in population densities. 
A) A simple predator-prey model explains the results. 
B) A simple plant-herbivore model explains the results. 
C) Raptor activity has no effect on the outcome. 
D) Complex variables are involved. 
E) Manipulation of experimental plots stopped cyclic changes in population densities.

Question 3

Which bird is a social parasite and lays its eggs in the nests of other birds?

Accepted Answer

A) catbird 
B) cowbird 
C) magpie 
D) Kirtland warbler 
E) blue jay 
A) catbird 
B) cowbird 
C) magpie 
D) Kirtland warbler 
E) blue jay

Question 4

Niche refers to the

Accepted Answer

A) home range of an animal. 
B) preferred habitat for an organism. 
C) functional role of a species in a community. 
D) territory occupied by a species. 
E) feeding levels of a species. 
A) home range of an animal. 
B) preferred habitat for an organism. 
C) functional role of a species in a community. 
D) territory occupied by a species. 
E) feeding levels of a species.

Question 5

The sting of imported fire ants can cause

Accepted Answer

A) fluid filled pustules that are slow to heal. 
B) nausea. 
C) dizziness. 
D) death. 
E) all of these. 
A) fluid filled pustules that are slow to heal. 
B) nausea. 
C) dizziness. 
D) death. 
E) all of these.

Question 6

The animal in the above figure is using __________ for protection.

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 7

Which one of the following is the final consequence of one or more of the others?

Accepted Answer

A) resource partitioning 
B) competition 
C) predation 
D) parasitism 
E) parasitoidism 
A) resource partitioning 
B) competition 
C) predation 
D) parasitism 
E) parasitoidism

Question 8

The reason why twelve species of fruit-eating pigeons can survive in Papua New Guinea's tropical rain forests is related to

Accepted Answer

A) mutualistic associations. 
B) commensalism. 
C) resource partitioning. 
D) mutualistic associations and resource partitioning 
E) mutualistic associations, commensalism, and resource partitioning. 
A) mutualistic associations. 
B) commensalism. 
C) resource partitioning. 
D) mutualistic associations and resource partitioning 
E) mutualistic associations, commensalism, and resource partitioning.

Question 9

The weakest symbiotic association, in which one species simply lives better in the presence of another species is

Accepted Answer

A) commensalism. 
B) competitive exclusion. 
C) mutualism. 
D) facultative obligate mutualism. 
E) parasitism. 
A) commensalism. 
B) competitive exclusion. 
C) mutualism. 
D) facultative obligate mutualism. 
E) parasitism.

Question 10

Gause's exclusion principle refers to

Accepted Answer

A) isolation. 
B) competition.   
C) habitat preference. 
D) physiological adaptation. 
E) niche removal. 
A) isolation. 
B) competition.   
C) habitat preference. 
D) physiological adaptation. 
E) niche removal.

Question 11

Parasites impact host populations by

Accepted Answer

A) draining nutrients from hosts. 
B) making hosts more vulnerable to predation. 
C) lowering birth rates and raising death rates. 
D) causing sterility 
E) all of these. 
A) draining nutrients from hosts. 
B) making hosts more vulnerable to predation. 
C) lowering birth rates and raising death rates. 
D) causing sterility 
E) all of these.

Question 12

Which of the following are parasites?

Accepted Answer

A) some pathogensi 
B) a few birds 
C) a few plants 
D) some flatworms and roundworms 
E) all of these 
A) some pathogensi 
B) a few birds 
C) a few plants 
D) some flatworms and roundworms 
E) all of these

Exam 46: Community Structure and Biodiversity

All of the populations of different species that occupy and are adapted to a given area are

What conclusion can be drawn from research on abundance cycles of Canadian lynx and snowshoe hare?

Which bird is a social parasite and lays its eggs in the nests of other birds?

Niche refers to the

The sting of imported fire ants can cause

The animal in the above figure is using __________ for protection.

Which one of the following is the final consequence of one or more of the others?

The reason why twelve species of fruit-eating pigeons can survive in Papua New Guinea's tropical rain forests is related to

The weakest symbiotic association, in which one species simply lives better in the presence of another species is

Gause's exclusion principle refers to

Parasites impact host populations by

Which of the following are parasites?

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

Filters