Deck 10: Population Dynamics
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Question
Unlock Deck
Sign up to unlock the cards in this deck!
Unlock Deck
Unlock Deck
1/38
Play
Full screen (f)
Deck 10: Population Dynamics
1
The Africanized honeybee stopped spreading southward through South America by about 1983 in response to
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.
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.
A
2
Organisms that produce many offspring would best be characterized by which of the following?
A) A convex survivorship curve
B) A concave survivorship curve
C) A linear survivorship curve
D) A sigmoidal survivorship curve
E) None of the choices are correct.
A) A convex survivorship curve
B) A concave survivorship curve
C) A linear survivorship curve
D) A sigmoidal survivorship curve
E) None of the choices are correct.
B
3
Roland, Keyghobadi, and Fownes found in smaller meadow habitat, the Rocky Mountain Parnassian butterfly
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.
C
4
Type II survivorship curve indicates
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
5
The age distribution of a population can reveal
A) growth potential.
B) survivorship.
C) reproduction.
D) both growth potential and survivorship.
E) growth potential, survivorship, and reproduction.
A) growth potential.
B) survivorship.
C) reproduction.
D) both growth potential and survivorship.
E) growth potential, survivorship, and reproduction.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
6
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
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.
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
7
Which of the following equations best represents the per capita rate of increase?
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
8
Korpimaki and Norrdahl's research on voles (prey) and kestrels and owls (predators) suggest that the predator's population dynamics are
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.
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
9
Which of the following cannot be determined using a fecundity schedule combined with a life table?
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
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
10
Humans would best be represented by which of the following survivorships curves?
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
11
Type I survivorship curve indicates
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
12
Which of the following equations best represents the geometric rate of increase?
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
13
A group of subpopulations living in spatially isolated patches connected by exchange of individuals among patches is called a(n)
A) micropopulation.
B) megapopulation.
C) isopopulation.
D) allopopulation.
E) metapopulation.
A) micropopulation.
B) megapopulation.
C) isopopulation.
D) allopopulation.
E) metapopulation.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
14
Which of the following indicates a population in decline?
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
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
15
Which of the following are mismatched?
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
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
16
The "mean generation time" of a population equals
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
17
Calculate the generation time given the following population data: R0 = 0.601, r = - 0.05, ∑xlxmx = 6.4, mx = 0.96
A) -128
B) 0.15
C) 1.60
D) 6.67
E) 10.6
A) -128
B) 0.15
C) 1.60
D) 6.67
E) 10.6
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
18
Type III survivorship curve indicates
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
19
Which of the following statements regarding "mean generation time" is false?
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.
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
20
The "net reproduction rate" equals
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
21
The per capita rate of increase cannot be a negative number.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
22
The per capita rate of increase can be used to estimate changes in population size in species with non-overlapping generations.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
23
After the last ice age, trees in North America had which of the following responses?
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
24
The image shown here could be used to construct 
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
25
The geometric rate of increase cannot be a negative number.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
26
Age distribution can be used to calculate
A) survival.
B) drift.
C) colonization cycles.
D) dispersal.
A) survival.
B) drift.
C) colonization cycles.
D) dispersal.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
27
Individuals born during a specified time period are grouped as a ________.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
28
Although the dispersal rate of Africanized bees is impressive, it still pales in comparison to the dispersal rate of the collared dove.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
29
The geometric rate of increase can be used to estimate changes in population size in species with non-overlapping generations.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
30
In stream environments the downstream drift of organisms is countered by the upstream movements in addition to reproduction. What is the name for this process?
A) Survivorship curve
B) Population dynamics
C) Colonization cycle
D) Spates
A) Survivorship curve
B) Population dynamics
C) Colonization cycle
D) Spates
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
31
This white oak population shows which of the following is occurring? 
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.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
32
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) 106
B) 84
C) 44
D) 90
A) 106
B) 84
C) 44
D) 90
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
33
________ is the process by which individuals disperse out of a population.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
34
Fecundity is another term for the net reproductive rate.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
35
Research conducted in the United Kingdom shows that approximately 84% of the species studied shifted their ranges northward. This change correlates to which of the follwoing?
A) New predators
B) Increase in global temperature
C) Decrease in habitat
D) Decrease in temperature
A) New predators
B) Increase in global temperature
C) Decrease in habitat
D) Decrease in temperature
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
36
The study of the expansion, decline, and maintenance of populations is called
A) dispersal.
B) drift.
C) age distribution.
D) population dynamics.
A) dispersal.
B) drift.
C) age distribution.
D) population dynamics.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
37
Research conducted in the Bavarian Forest National Park shows that plants, insects, and birds have had a different responses to climate warming. Which of the following statements is correct?
A) Plants have moved south while insects and birds have stayed in the same location.
B) Insects and birds have moved north while plants have not moved.
C) Plants have moved north while insects and birds have not moved.
D) Insects and birds have moved south while plants have moved north.
A) Plants have moved south while insects and birds have stayed in the same location.
B) Insects and birds have moved north while plants have not moved.
C) Plants have moved north while insects and birds have not moved.
D) Insects and birds have moved south while plants have moved north.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck
38
Many sedentary organisms have a "dispersing stage" and rely on vectors such as animals, water, or wind to aid in their spread.
Unlock Deck
Unlock for access to all 38 flashcards in this deck.
Unlock Deck
k this deck