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 = - 6.01F) C) and D)
G) B) and E)

Question 2

The age distribution of a population can reveal

Accepted Answer

A)   growth potential.
B)   survivorship.
C)   reproduction.
D)   both growth potential and survivorship.
E)   growth potential, survivorship, and reproduction.F) B) and D)
G) B) and C)

Question 3

When using a significance level of 0.05,how often will you reject hypotheses that are actually correct?

Accepted Answer

A)   5% of the time or less
B)   5% of the time or more
C)   50% of the time or less
D)   50% of the time or more
E)   95% of the time or moreF) D) and E)
G) A) and B)

Question 4

Although the dispersal rate of Africanized bees is impressive,it still pales in comparison to the dispersal rate of the collard dove.

Accepted Answer

A) True 
 B)False

Question 5

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.F) B) and E)
G) A) and B)

Question 6

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.Learning Outcome: 10.02.01 Describe the role of dispersal in sustaining a metapopulation.F) A) and E)
G) B) and E)

Question 7

The geometric rate of increase cannot be a negative number.

Accepted Answer

A) True 
 B)False

Question 8

The per capita rate of increase cannot be a negative number.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following statements regarding 'mean generation time' is false?

Accepted Answer

A)   It is generally calculated only for the females in a population.
B)   It is the average time from offspring to offspring.
C)   It can be calculated using a fecundity schedule and life table.
D)   It can be used to calculate the geometric growth rate.
E)   It can be used to calculate the per capita rate of increase.F) B) and C)
G) A) and E) D

Question 10

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\lambdaλ  = Nt/( Nt+1) 
D)    λ\lambdaλ  = (Nt+1) /Nt
E)   None of the choices are correct. F) B) and D)
G) A) and C)

Question 11

Studies by Korpimäki and Norrdahl in western Finland showed that kestrel and owl densities closely follow variation in vole densities with little delay or lag time.They attributed this rapid numerical response to the

Accepted Answer

A)   rapid rates of reproduction in the kestrel and owl populations.
B)   nomadic nature of the kestrel and owl populations.
C)   sedentary nature of mature individuals in the kestrel and owl populations.
D)   lack of adequate predator defenses in the vole populations.
E)   rapid rates of reproduction in the vole populations.F) C) and E)
G) A) and B)

Question 12

Calculate the generation time given the following population data: R0 = 0.601,r = - 0.05,  Σ\SigmaΣ xlxmx = 6.4,mx = 0.96

Accepted Answer

A)   -128
B)   0.15
C)   1.60
D)   6.67
E)   10.6 F) D) and E)
G) A) and B)

Question 13

Fecundity is another term for the net reproductive rate.

Accepted Answer

A) True 
 B)False  False

Question 14

Type II 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.F) A) and B)
G) C) and E)

Question 15

The 'mean generation time' of a population equals

Accepted Answer

A)   ( Σ\SigmaΣ x lxmx) /R0.
B)    Σ\SigmaΣ   λ\lambdaλ nx.
C)    Σ\SigmaΣ  lx mx.
D)    Σ\SigmaΣ  x lx mx.
E)   None of the choices are correct. F) A) and B)
G) A) and C) A

Question 16

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 17

The Africanized honeybee stopped spreading southward through South America by about 1983 in response to

Accepted Answer

A)   unfavorable climatic factors.
B)   aggressive pest control measures.
C)   introduction of a species-specific parasite as a means of biological control.
D)   severe competition with the closely related European honeybee.
E)   None of the choices are correct.F) A) and D)
G) None of the above

Question 18

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 intervalF) B) and C)
G) All of the above

Question 19

Korpimaki and Norrdahl's research on voles (prey) and kestrels and owls (predators) suggest that the predator's population dynamics are

Accepted Answer

A)   a functional response.
B)   a numerical response.
C)   in response to vole densities.
D)   both a functional response and a numerical response.
E)   both a numerical response and in response to vole densities.F) B) and E)
G) B) and D)

Question 20

The 'net reproduction rate' equals

Accepted Answer

A)   ( Σ\SigmaΣ x lxmx) /R0.
B)    Σ\SigmaΣ   λ\lambdaλ  nx.
C)    Σ\SigmaΣ  lx mx.
D)    Σ\SigmaΣ  x lx mx.
E)   None of the choices are correct. F) A) and B)
G) A) and C)

Exam 10: Population Dynamics

Which of the following indicates a population in decline?

Correct AnswerverifiedShow Answer

The age distribution of a population can reveal

Correct AnswerverifiedShow Answer

When using a significance level of 0.05,how often will you reject hypotheses that are actually correct?

Correct AnswerverifiedShow Answer

Although the dispersal rate of Africanized bees is impressive,it still pales in comparison to the dispersal rate of the collard dove.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The geometric rate of increase cannot be a negative number.

Correct AnswerverifiedShow Answer

The per capita rate of increase cannot be a negative number.

Correct AnswerverifiedShow Answer

Which of the following statements regarding 'mean generation time' is false?

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

Studies by Korpimäki and Norrdahl in western Finland showed that kestrel and owl densities closely follow variation in vole densities with little delay or lag time.They attributed this rapid numerical response to the

Correct AnswerverifiedShow Answer

Calculate the generation time given the following population data: R0 = 0.601,r = - 0.05, Σ\SigmaΣ xlxmx = 6.4,mx = 0.96

Correct AnswerverifiedShow Answer

Fecundity is another term for the net reproductive rate.

Correct AnswerverifiedFalse

Type II survivorship curve indicates

Correct AnswerverifiedShow Answer

The 'mean generation time' of a population equals

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

The Africanized honeybee stopped spreading southward through South America by about 1983 in response to

Correct AnswerverifiedShow Answer

Which of the following are mismatched?

Correct AnswerverifiedShow Answer

Korpimaki and Norrdahl's research on voles (prey) and kestrels and owls (predators) suggest that the predator's population dynamics are

Correct AnswerverifiedShow Answer

The 'net reproduction rate' equals

Correct AnswerverifiedShow Answer

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D

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Calculate the generation time given the following population data: R₀ = 0.601,r = - 0.05, $\Sigma$ xl_xm_x = 6.4,m_x = 0.96

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False

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A

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