Question 1

Which organism's reproductive pattern exhibits semelparity?

Accepted Answer

A)  grizzly bear 
B)  oak tree 
C)  red deer 
D)  salmon 
E)  maple tree 
A)  grizzly bear 
B)  oak tree 
C)  red deer 
D)  salmon 
E)  maple tree D

Question 2

The intrinsic rate of increase is ____ for bacteria, protists, and animals with short generation times and ____ for those with long generation time.

Accepted Answer

A)  high; low 
B)  high; constant 
C)  low; high 
D)  low; constant 
E)  constant; low 
A)  high; low 
B)  high; constant 
C)  low; high 
D)  low; constant 
E)  constant; low A

Question 3

Populations in which individuals repel each other because resources are in short supply tend to have ____ dispersion.

Accepted Answer

A)  random 
B)  clumped 
C)  uniform 
D)  dynamic 
E)  unpredictable 
A)  random 
B)  clumped 
C)  uniform 
D)  dynamic 
E)  unpredictable C

Question 4

The postindustrial age is defined by ____.

Accepted Answer

A)  high birth and death rates 
B)  zero population growth 
C)  dramatic slowing in population growth 
D)  declining death rate 
E)  declining birth rate 
A)  high birth and death rates 
B)  zero population growth 
C)  dramatic slowing in population growth 
D)  declining death rate 
E)  declining birth rate

Question 5

- Answer the question using the accompanying figure. Rapid population growth is represented by the letter ____.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 6

Marine biologists tagged and released 50 marlin. Later, fishermen caught 300 marlin, 15 of which had tags. What is the estimate for the number of marlin in the population?

Accepted Answer

A)  5,000 
B)  315 
C)  365 
D)  2,500 
E)  1,000 
A)  5,000 
B)  315 
C)  365 
D)  2,500 
E)  1,000

Question 7

Type III survivorship curves reflect ____.

Accepted Answer

A)  high juvenile mortality 
B)  low juvenile mortality 
C)  high survivorship 
D)  relatively constant mortality 
E)  high adult mortality 
A)  high juvenile mortality 
B)  low juvenile mortality 
C)  high survivorship 
D)  relatively constant mortality 
E)  high adult mortality

Question 8

Rabbits introduced to Australia overpopulated because in their new habitat, ____.

Accepted Answer

A)  people rarely hunted them 
B)  they had no natural diseases 
C)  they had no natural predators 
D)  their food supply was larger 
E)  there were few herbivorous competitors 
A)  people rarely hunted them 
B)  they had no natural diseases 
C)  they had no natural predators 
D)  their food supply was larger 
E)  there were few herbivorous competitors

Question 9

In the construction of a life table for colonial species in which most organisms do not reproduce, ____ is/are considered as a reproductive individual.

Accepted Answer

A)  each individual 
B)  clusters of individuals 
C)  the entire population in a geographical area 
D)  the entire population on Earth 
E)  each separate colony 
A)  each individual 
B)  clusters of individuals 
C)  the entire population in a geographical area 
D)  the entire population on Earth 
E)  each separate colony

Question 10

In the equation ΔN/Δt = B - D, B represents ____.

Accepted Answer

A)  change in population size 
B)  time period 
C)  total births 
D)  total deaths 
E)  change in population size over time 
A)  change in population size 
B)  time period 
C)  total births 
D)  total deaths 
E)  change in population size over time

Question 11

In the case of the red harvester ant, colonies that survive to ____ years of age are likely to contribute to the next generation of colonies.

Accepted Answer

A)  one 
B)  three 
C)  four 
D)  seven 
E)  ten 
A)  one 
B)  three 
C)  four 
D)  seven 
E)  ten

Question 12

An "S" shaped curve is characteristic of logistic population growth.

Accepted Answer

A) True 
 B)False

Question 13

Which factor is responsible for reductions in population size?

Accepted Answer

A)  immigration 
B)  death 
C)  birth 
D)  reproduction 
E)  dispersion 
A)  immigration 
B)  death 
C)  birth 
D)  reproduction 
E)  dispersion

Question 14

The beginning of the industrial and scientific revolution occurred ____.

Accepted Answer

A)  when human population size was approximately one billion 
B)  when human population size was approximately one million 
C)  when human population size was approximately five million 
D)  approximately 500 years ago 
E)  approximately 100 years ago 
A)  when human population size was approximately one billion 
B)  when human population size was approximately one million 
C)  when human population size was approximately five million 
D)  approximately 500 years ago 
E)  approximately 100 years ago

Question 15

What type of population dispersion is most common, and how does area sampled affect how dispersion appears to a researcher?

Accepted Answer

Clumped dispersion is extremely common i

Question 16

Populations in which environmental conditions don't vary much within a habitat tend to have ____ dispersion.

Accepted Answer

A)  random 
B)  clumped 
C)  uniform 
D)  dynamic 
E)  unpredictable 
A)  random 
B)  clumped 
C)  uniform 
D)  dynamic 
E)  unpredictable

Question 17

What is true of most deciduous trees in the temperate zone?

Accepted Answer

A)  they spend all of their energy on reproduction 
B)  growth and reproduction occur simultaneously 
C)  they only produce one or two offspring annually 
D)  they produce thousands of seeds for one or two years 
E)  they only begin to breed after reaching adulthood 
A)  they spend all of their energy on reproduction 
B)  growth and reproduction occur simultaneously 
C)  they only produce one or two offspring annually 
D)  they produce thousands of seeds for one or two years 
E)  they only begin to breed after reaching adulthood

Question 18

Fecundity is ____.

Accepted Answer

A)  a summary of the demographic characteristics of a population 
B)  a group of individuals of similar age 
C)  the average number of offspring produced 
D)  the proportion of individuals alive at the start of an interval that die during that interval 
E)  the proportion of individuals alive at the start of an interval that survive to the start of the next interval 
A)  a summary of the demographic characteristics of a population 
B)  a group of individuals of similar age 
C)  the average number of offspring produced 
D)  the proportion of individuals alive at the start of an interval that die during that interval 
E)  the proportion of individuals alive at the start of an interval that survive to the start of the next interval

Question 19

The ____ method is often used to estimate the population size of mobile animals that live within a restricted geographic range.

Accepted Answer

A)  mark-release-recapture 
B)  direct count 
C)  extrapolation of counts from quadrants to entire population 
D)  plot 
E)  indirect count 
A)  mark-release-recapture 
B)  direct count 
C)  extrapolation of counts from quadrants to entire population 
D)  plot 
E)  indirect count

Question 20

A human population with an age structure diagram that is narrower at the base than at the top would have ____.

Accepted Answer

A)  zero population growth 
B)  r 
C)  r>0 
D)  been affected by density independent factors 
E)  (K - N)/K 
A)  zero population growth 
B)  r 
C)  r>0 
D)  been affected by density independent factors 
E)  (K - N)/K

Exam 52: Population Ecology

Which organism's reproductive pattern exhibits semelparity?

The intrinsic rate of increase is ____ for bacteria, protists, and animals with short generation times and ____ for those with long generation time.

Populations in which individuals repel each other because resources are in short supply tend to have ____ dispersion.

The postindustrial age is defined by ____.

- Answer the question using the accompanying figure. Rapid population growth is represented by the letter ____.

Marine biologists tagged and released 50 marlin. Later, fishermen caught 300 marlin, 15 of which had tags. What is the estimate for the number of marlin in the population?

Type III survivorship curves reflect ____.

Rabbits introduced to Australia overpopulated because in their new habitat, ____.

In the construction of a life table for colonial species in which most organisms do not reproduce, ____ is/are considered as a reproductive individual.

In the equation ΔN/Δt = B - D, B represents ____.

In the case of the red harvester ant, colonies that survive to ____ years of age are likely to contribute to the next generation of colonies.

An "S" shaped curve is characteristic of logistic population growth.

Which factor is responsible for reductions in population size?

The beginning of the industrial and scientific revolution occurred ____.

What type of population dispersion is most common, and how does area sampled affect how dispersion appears to a researcher?

Populations in which environmental conditions don't vary much within a habitat tend to have ____ dispersion.

What is true of most deciduous trees in the temperate zone?

Fecundity is ____.

The ____ method is often used to estimate the population size of mobile animals that live within a restricted geographic range.

A human population with an age structure diagram that is narrower at the base than at the top would have ____.

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

The intrinsic rate of increase is for bacteria, protists, and animals with short generation times and for those with long generation time.