Question 1

Occasionally, density independent factors can influence populations in a density dependent manner.

Accepted Answer

A) True 
 B)False  True

Question 2

The exponential population growth equation can be used for

Accepted Answer

A)  populations with overlapping generations. 
B)  populations experiencing continuous growth. 
C)  populations with nonpulsed reproduction. 
D)  both populations with overlapping generations and populations experiencing continuous growth. 
E)  both populations with overlapping generations, populations experiencing continuous growth, and populations with nonpulsed reproduction. 
A)  populations with overlapping generations. 
B)  populations experiencing continuous growth. 
C)  populations with nonpulsed reproduction. 
D)  both populations with overlapping generations and populations experiencing continuous growth. 
E)  both populations with overlapping generations, populations experiencing continuous growth, and populations with nonpulsed reproduction. E

Question 3

Logistic population growth produces a __________ population growth curve.

Accepted Answer

A)  J-shaped 
B)  K-shaped 
C)  N-shaped 
D)  R-shaped 
E)  S-shaped 
A)  J-shaped 
B)  K-shaped 
C)  N-shaped 
D)  R-shaped 
E)  S-shaped E

Question 4

The factors that determine carrying capacity include all of the following except:

Accepted Answer

A)  space. 
B)  disease. 
C)  food. 
D)  competition. 
E)  None of the choices are correct. 
A)  space. 
B)  disease. 
C)  food. 
D)  competition. 
E)  None of the choices are correct.

Question 5

The best model for population growth of an annual plant like Phlox drummondii is

Accepted Answer

A)  geometric growth. 
B)  exponential growth. 
C)  logistic growth. 
D)  geometric growth during years with high rainfall and exponential growth during years with low rainfall. 
E)  geometric growth during years with high rainfall and logistic growth during years with low rainfall. 
A)  geometric growth. 
B)  exponential growth. 
C)  logistic growth. 
D)  geometric growth during years with high rainfall and exponential growth during years with low rainfall. 
E)  geometric growth during years with high rainfall and logistic growth during years with low rainfall.

Question 6

A population is __________________________ if N>K and the per capita rate of increase is negative.

Accepted Answer

The answer of A population is __________________________ if N>K and...

Question 7

Grant and Grants' study on the large cactus finches (Geospiza conirostris) positively correlates ____________________ and egg clutches.

Accepted Answer

The answer of Grant and Grants' study on the large...

Question 8

Nt = N0 F1F1F1S1F1F1F10t represents

Accepted Answer

A)  geometric population growth. 
B)  annual growth rate. 
C)  exponential growth rate. 
D)  logistic growth. 
E)  None of the choices are correct. 
A)  geometric population growth. 
B)  annual growth rate. 
C)  exponential growth rate. 
D)  logistic growth. 
E)  None of the choices are correct.

Question 9

dN/dt = rmaxN [(K - N)/K] represents

Accepted Answer

A)  annual growth rate. 
B)  geometric population growth. 
C)  exponential growth rate. 
D)  logistic growth. 
E)  None of the choices are correct. 
A)  annual growth rate. 
B)  geometric population growth. 
C)  exponential growth rate. 
D)  logistic growth. 
E)  None of the choices are correct.

Question 10

Growth by any population with pulsed reproduction can be modeled as

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 11

Logistic growth has been documented in which of the following populations?

Accepted Answer

A)  Eurasian collared dove 
B)  barnacle, Balanus balanoides 
C)  yeast, Saccharomyces cerevisiae 
D)  Northern elephant seal 
E)  All of the choices are correct. 
A)  Eurasian collared dove 
B)  barnacle, Balanus balanoides 
C)  yeast, Saccharomyces cerevisiae 
D)  Northern elephant seal 
E)  All of the choices are correct.

Question 12

In the most basic terms, a population's growth is a function of births and deaths.

Accepted Answer

A) True 
 B)False

Question 13

In the logistic model of population growth if r<0 then

Accepted Answer

A)  the population expands. 
B)  the population declines. 
C)  N>K 
D)  N=K 
E)  both the population declines and N>K 
A)  the population expands. 
B)  the population declines. 
C)  N>K 
D)  N=K 
E)  both the population declines and N>K

Question 14

The biotic potential of an organism produces the leveling off at carrying capacity in the logistic growth curve.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is/are mismatched?

Accepted Answer

A)  rmax = intrinsic rate of increase 
B)  K = carrying capacity 
C)  Nt = annual growth rate 
D)  t = time interval 
E)  dN/dt = rate of population change 
A)  rmax = intrinsic rate of increase 
B)  K = carrying capacity 
C)  Nt = annual growth rate 
D)  t = time interval 
E)  dN/dt = rate of population change

Question 16

In the logistic model of population growth if N>K then

Accepted Answer

A)  r is zero. 
B)  the population expands. 
C)  r is negative. 
D)  the population declines. 
E)  both r is negative and the population declines. 
A)  r is zero. 
B)  the population expands. 
C)  r is negative. 
D)  the population declines. 
E)  both r is negative and the population declines.

Question 17

Environmental limitation is incorporated into which model of population growth?

Accepted Answer

A)    
B) 
  
C)    
D)    
E) both   and
  
A)    
B) 
  
C)    
D)    
E) both   and

Question 18

In a logistic model, when N = K the population stops growing and r = 0.

Accepted Answer

A) True 
 B)False

Question 19

An annual plant when initially colonizing an area will probably demonstrate

Accepted Answer

A)  annual growth rate. 
B)  geometric population growth. 
C)  exponential growth rate. 
D)  logistic growth. 
E)  None of the choices are correct. 
A)  annual growth rate. 
B)  geometric population growth. 
C)  exponential growth rate. 
D)  logistic growth. 
E)  None of the choices are correct.

Question 20

In the logistic model of population growth if r>0 then

Accepted Answer

A) the population declines. B) population growth stops. C) N>K. D) NK. D) N

Exam 11: Population Growth

Occasionally, density independent factors can influence populations in a density dependent manner.

The exponential population growth equation can be used for

Logistic population growth produces a __________ population growth curve.

The factors that determine carrying capacity include all of the following except:

The best model for population growth of an annual plant like Phlox drummondii is

A population is __________________________ if N>K and the per capita rate of increase is negative.

Grant and Grants' study on the large cactus finches (Geospiza conirostris) positively correlates ____________________ and egg clutches.

Nt = N0 t represents

dN/dt = rmaxN [(K - N)/K] represents

Growth by any population with pulsed reproduction can be modeled as

Logistic growth has been documented in which of the following populations?

In the most basic terms, a population's growth is a function of births and deaths.

In the logistic model of population growth if r<0 then

The biotic potential of an organism produces the leveling off at carrying capacity in the logistic growth curve.

Which of the following is/are mismatched?

In the logistic model of population growth if N>K then

Environmental limitation is incorporated into which model of population growth?

In a logistic model, when N = K the population stops growing and r = 0.

An annual plant when initially colonizing an area will probably demonstrate

In the logistic model of population growth if r>0 then

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 Dynamics

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

N_t = N₀ ^t represents

dN/dt = r_maxN [(K - N)/K] represents