Question 1

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. C

Question 2

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

Accepted Answer

A) True 
 B)False  False

Question 3

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. 
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. D

Question 4

Which of the following equations best represents the geometric rate of increase?

Accepted Answer

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

Question 5

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 6

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 7

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

Question 8

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 9

Fecundity is another term for the net reproductive rate.

Accepted Answer

A) True 
 B)False

Question 10

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 11

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

Question 13

The 'mean generation time' of a population equals

Accepted Answer

A) ($\Sigma$x lxmx)/R0. 
B) $\Sigma$ $\lambda$ nx. 
C) $\Sigma$ lx mx. 
D) $\Sigma$x lx mx. 
E) None of the choices are correct. 
A) ($\Sigma$x lxmx)/R0. 
B) $\Sigma$ $\lambda$ nx. 
C) $\Sigma$ lx mx. 
D) $\Sigma$x lx mx. 
E) None of the choices are correct.

Question 14

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 15

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 16

Calculate the generation time given the following population data: R0 = 0.601,r = - 0.05,$\Sigma$xlxmx = 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 17

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 18

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 19

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. 
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.

Question 20

The 'net reproduction rate' equals

Accepted Answer

A) ($\Sigma$x lxmx)/R0. 
B) $\Sigma$ $\lambda$ nx. 
C) $\Sigma$ lx mx. 
D) $\Sigma$ x lx mx. 
E) None of the choices are correct. 
A) ($\Sigma$x lxmx)/R0. 
B) $\Sigma$ $\lambda$ nx. 
C) $\Sigma$ lx mx. 
D) $\Sigma$ x lx mx. 
E) None of the choices are correct.

Exam 10: Population Dynamics

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

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

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

Which of the following equations best represents the geometric rate of increase?

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

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

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

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

Fecundity is another term for the net reproductive rate.

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

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

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

The 'mean generation time' of a population equals

Type I survivorship curve indicates

Type III survivorship curve indicates

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

Type II survivorship curve indicates

The age distribution of a population can reveal

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

The 'net reproduction rate' equals

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

Filters

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