Question 1

__________________ is the process by which individuals disperse out of a population.

Accepted Answer

Emigration

Question 2

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. A

Question 3

The geometric rate of increase cannot be a negative number.

Accepted Answer

A) True 
 B)False  True

Question 4

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 5

The per capita 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 6

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. 
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 7

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 8

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 more 
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 more

Question 9

Fecundity is another term for the net reproductive rate.

Accepted Answer

A) True 
 B)False

Question 10

The 'net reproduction rate' equals

Accepted Answer

A)  (F1F1F1S1F1F1F10x lxmx)/R0. 
B)  F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 nx. 
C)  F1F1F1S1F1F1F10 lx mx. 
D)  F1F1F1S1F1F1F10 x lx mx. 
E)  None of the choices are correct. 
A)  (F1F1F1S1F1F1F10x lxmx)/R0. 
B)  F1F1F1S1F1F1F10 F1F1F1S1F1F1F10 nx. 
C)  F1F1F1S1F1F1F10 lx mx. 
D)  F1F1F1S1F1F1F10 x lx mx. 
E)  None of the choices are correct.

Question 11

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. 
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.

Question 12

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.

Question 13

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

Accepted Answer

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

Question 14

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

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Question 17

Calculate the generation time given the following population data: R0 = 0.601, r = - 0.05, F1F1F1S1F1F1F10xlxmx = 6.4, mx = 0.96

Accepted Answer

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

Question 18

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)  F1F1F1S1F1F1F10 = Nt/( Nt+1) 
D)  F1F1F1S1F1F1F10 = (Nt+1)/Nt 
E)  None of the choices are correct. 
A)  r = T/(ln R0) 
B)  r = (ln R0)/T 
C)  F1F1F1S1F1F1F10 = Nt/( Nt+1) 
D)  F1F1F1S1F1F1F10 = (Nt+1)/Nt 
E)  None of the choices are correct.

Question 19

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 20

Many sedentary organisms have a 'dispersing stage' and rely on vectors such as animals, water, or wind to aid in their spread.

Accepted Answer

A) True 
 B)False

Exam 10: Population Dynamics

__________________ is the process by which individuals disperse out of a population.

Type I survivorship curve indicates

The geometric rate of increase cannot be a negative number.

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

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

Type II survivorship curve indicates

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

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

Fecundity is another term for the net reproductive rate.

The 'net reproduction rate' equals

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

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

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

Which of the following are mismatched?

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

The age distribution of a population can reveal

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

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

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

Many sedentary organisms have a 'dispersing stage' and rely on vectors such as animals, water, or wind to aid in their spread.

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

Socail 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

Filters

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