Question 1

Which of the following indicates a population in decline?

Accepted Answer

A)  R0 = 6.01 
B)  R0 = 0.601 
C)  R0 = 0 
D)  R0 = - 0.601 
E)  R0 = - 6.01 
A)  R0 = 6.01 
B)  R0 = 0.601 
C)  R0 = 0 
D)  R0 = - 0.601 
E)  R0 = - 6.01 B

Question 2

Which of the following are mismatched?

Accepted Answer

A)  nx : mortality rate 
B)  lx : survivorship history 
C)  R0 : net reproductive rate 
D)  mx : average number offspring per individual 
E)  x : age/time interval 
A)  nx : mortality rate 
B)  lx : survivorship history 
C)  R0 : net reproductive rate 
D)  mx : average number offspring per individual 
E)  x : age/time interval A

Question 3

The image shown here could be used to construct

Accepted Answer

A)  a cohort list. 
B)  a survivorship curve. 
C)  the pattern of survival. 
D)  the rate of dispersal. 
A)  a cohort list. 
B)  a survivorship curve. 
C)  the pattern of survival. 
D)  the rate of dispersal. A

Question 4

Determine the size of a colony of bees after the following changes occur: original population size is 75, 15 births, 8 deaths, 3 emigrants, and 5 immigrants.

Accepted Answer

A)  106 
B)  84 
C)  44 
D)  90 
A)  106 
B)  84 
C)  44 
D)  90

Question 5

A group of subpopulations living in spatially isolated patches connected by exchange of individuals among patches is called a(n)

Accepted Answer

A)  micropopulation. 
B)  megapopulation. 
C)  isopopulation. 
D)  allopopulation. 
E)  metapopulation. 
A)  micropopulation. 
B)  megapopulation. 
C)  isopopulation. 
D)  allopopulation. 
E)  metapopulation.

Question 6

The "mean generation time" of a population equals

Accepted Answer

A)  (∑x lxmx)/R0. 
B)  ∑ λ nx. 
C)  ∑ lx mx. 
D)  ∑ x lx mx. 
E)  None of the choices are correct. 
A)  (∑x lxmx)/R0. 
B)  ∑ λ nx. 
C)  ∑ lx mx. 
D)  ∑ x lx mx. 
E)  None of the choices are correct.

Question 7

Fecundity is another term for the net reproductive rate.

Accepted Answer

A) True 
 B)False

Question 8

Type I survivorship curve indicates

Accepted Answer

A)  low juvenile mortality and high mortality in older adults. 
B)  high juvenile mortality and low mortality in older adults. 
C)  low juvenile mortality and low mortality in older adults. 
D)  high juvenile mortality and high mortality in older adults. 
E)  equal chance of dying at any age. 
A)  low juvenile mortality and high mortality in older adults. 
B)  high juvenile mortality and low mortality in older adults. 
C)  low juvenile mortality and low mortality in older adults. 
D)  high juvenile mortality and high mortality in older adults. 
E)  equal chance of dying at any age.

Question 9

The geometric rate of increase can be used to estimate changes in population size in species with non-overlapping generations.

Accepted Answer

A) True 
 B)False

Question 10

The geometric rate of increase cannot be a negative number.

Accepted Answer

A) True 
 B)False

Question 11

The "net reproduction rate" equals

Accepted Answer

A)  (∑x lxmx)/R0. 
B)  ∑ λ nx. 
C)  ∑ lx mx. 
D)  ∑ x lx mx. 
E)  None of the choices are correct. 
A)  (∑x lxmx)/R0. 
B)  ∑ λ nx. 
C)  ∑ lx mx. 
D)  ∑ x lx mx. 
E)  None of the choices are correct.

Question 12

Which of the following equations best represents the per capita rate of increase?

Accepted Answer

A)  r = T/(ln R0) 
B)  r = (ln R0)/T 
C)  λ = Nt/( Nt+1) 
D)  λ = (Nt+1)/Nt 
E)  None of the choices are correct. 
A)  r = T/(ln R0) 
B)  r = (ln R0)/T 
C)  λ = Nt/( Nt+1) 
D)  λ = (Nt+1)/Nt 
E)  None of the choices are correct.

Question 13

Type III survivorship curve indicates

Accepted Answer

A)  low juvenile mortality and high mortality in older adults. 
B)  high juvenile mortality and low mortality in older adults. 
C)  low juvenile mortality and low mortality in older adults. 
D)  high juvenile mortality and high mortality in older adults. 
E)  equal chance of dying at any age. 
A)  low juvenile mortality and high mortality in older adults. 
B)  high juvenile mortality and low mortality in older adults. 
C)  low juvenile mortality and low mortality in older adults. 
D)  high juvenile mortality and high mortality in older adults. 
E)  equal chance of dying at any age.

Question 14

Which of the following cannot be determined using a fecundity schedule combined with a life table?

Accepted Answer

A)  Per capita rate of increase 
B)  Net reproductive rate 
C)  Mean generation time 
D)  Dispersal rates 
E)  Geometric rate of increase 
A)  Per capita rate of increase 
B)  Net reproductive rate 
C)  Mean generation time 
D)  Dispersal rates 
E)  Geometric rate of increase

Question 15

Humans would best be represented by which of the following survivorships curves?

Accepted Answer

A)  III 
B)  II 
C)  I 
D)  IV 
E)  None of the choices are correct. 
A)  III 
B)  II 
C)  I 
D)  IV 
E)  None of the choices are correct.

Question 16

After the last ice age, trees in North America had which of the following responses?

Accepted Answer

A)  Both maple and hemlock trees expanded their ranges north. 
B)  Only maple trees moved north, hemlock trees did not expand their range. 
C)  Only hemlock trees moved north, maple trees did not expand their range. 
D)  Neither maple nor hemlock trees expanded their ranges. 
A)  Both maple and hemlock trees expanded their ranges north. 
B)  Only maple trees moved north, hemlock trees did not expand their range. 
C)  Only hemlock trees moved north, maple trees did not expand their range. 
D)  Neither maple nor hemlock trees expanded their ranges.

Question 17

The study of the expansion, decline, and maintenance of populations is called

Accepted Answer

A)  dispersal. 
B)  drift. 
C)  age distribution. 
D)  population dynamics. 
A)  dispersal. 
B)  drift. 
C)  age distribution. 
D)  population dynamics.

Question 18

This white oak population shows which of the following is occurring?

Accepted Answer

A)  The white oak population is stable or growing. 
B)  The white oak population is declining. 
C)  The white oak population will go extinct soon. 
D)  The white oak population is moving to a new location. 
A)  The white oak population is stable or growing. 
B)  The white oak population is declining. 
C)  The white oak population will go extinct soon. 
D)  The white oak population is moving to a new location.

Question 19

Individuals born during a specified time period are grouped as a ________.

Accepted Answer

The answer of Individuals born during a specified time period...

Question 20

Roland, Keyghobadi, and Fownes found in smaller meadow habitat, the Rocky Mountain Parnassian butterfly

Accepted Answer

A)  has a larger wing span and more likely to disperse out of the patch. 
B)  populations are stable. 
C)  populations are smaller and individuals are more likely to disperse out of the patch. 
D)  population size is more variable. 
E)  None of the choices are correct. 
A)  has a larger wing span and more likely to disperse out of the patch. 
B)  populations are stable. 
C)  populations are smaller and individuals are more likely to disperse out of the patch. 
D)  population size is more variable. 
E)  None of the choices are correct.

Exam 10: Population Dynamics

Which of the following indicates a population in decline?

Which of the following are mismatched?

The image shown here could be used to construct

Determine the size of a colony of bees after the following changes occur: original population size is 75, 15 births, 8 deaths, 3 emigrants, and 5 immigrants.

A group of subpopulations living in spatially isolated patches connected by exchange of individuals among patches is called a(n)

The "mean generation time" of a population equals

Fecundity is another term for the net reproductive rate.

Type I survivorship curve indicates

The geometric rate of increase can be used to estimate changes in population size in species with non-overlapping generations.

The geometric rate of increase cannot be a negative number.

The "net reproduction rate" equals

Which of the following equations best represents the per capita rate of increase?

Type III survivorship curve indicates

Which of the following cannot be determined using a fecundity schedule combined with a life table?

Humans would best be represented by which of the following survivorships curves?

After the last ice age, trees in North America had which of the following responses?

The study of the expansion, decline, and maintenance of populations is called

This white oak population shows which of the following is occurring?

Individuals born during a specified time period are grouped as a ________.

Roland, Keyghobadi, and Fownes found in smaller meadow habitat, the Rocky Mountain Parnassian butterfly

Introduction to Ecology: Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Social Relations

Population Distribution and Abundance

Population Growth

Life Histories

Competition

Exploitative Interactions: Predation, Herbivory, Parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Global Ecology

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