Question 1

MATCHING
Match the term in a growth rate equation with its definition.
a.b
e.K
b.d
f.N
c.e
g.r
d.i
-equal to the birth rate minus the death rate

Accepted Answer

The answer of MATCHING
Match the term in a growth rate...

Question 2

Figure 53-4
Use the figure to answer the corresponding question(s).  
-Based on Figure 53-4, which of the following age intervals has the highest death rate?

Accepted Answer

A)  0-1 
B)  1-2 
C)  2-3 
D)  3-4 
E)  4-5 
A)  0-1 
B)  1-2 
C)  2-3 
D)  3-4 
E)  4-5

Question 3

Figure 53-6
Use the figure to answer the corresponding question(s).  
-If the pattern remains the same, in 50 years the population in Figure 53-6 would:

Accepted Answer

A)  be experiencing slow growth. 
B)  be experiencing rapid growth. 
C)  be experiencing steady state growth. 
D)  be experiencing negative growth. 
E)  No prediction could be made using these data. 
A)  be experiencing slow growth. 
B)  be experiencing rapid growth. 
C)  be experiencing steady state growth. 
D)  be experiencing negative growth. 
E)  No prediction could be made using these data.

Question 4

By the end of the 21st century, it is expected that the human population will:

Accepted Answer

A)  increase at the fastest rate in the highly developed countries. 
B)  increase at the fastest rate in the less developed countries. 
C)  increase at similar rates in all countries. 
D)  decrease at similar rates in all countries. 
E)  achieve zero population growth. 
A)  increase at the fastest rate in the highly developed countries. 
B)  increase at the fastest rate in the less developed countries. 
C)  increase at similar rates in all countries. 
D)  decrease at similar rates in all countries. 
E)  achieve zero population growth.

Question 5

Figure 53-2
Use the figure to answer the corresponding question(s).  
-Using Figure 53-2, identify the point that indicates the carrying capacity for this population.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  Cannot be determined from this graph. 
A)  A 
B)  B 
C)  C 
D)  D 
E)  Cannot be determined from this graph.

Question 6

Which of the following pairs is incorrect?

Accepted Answer

A)  highly developed countries-infant mortality rate close to 7 per 1000 
B)  moderately developed countries-fertility rate near 2 
C)  less developed countries-fertility rate near 5 
D)  Worldwide-27% of the population is less than 15 years old 
E)  United States-doubling time 100 years 
A)  highly developed countries-infant mortality rate close to 7 per 1000 
B)  moderately developed countries-fertility rate near 2 
C)  less developed countries-fertility rate near 5 
D)  Worldwide-27% of the population is less than 15 years old 
E)  United States-doubling time 100 years

Question 7

MATCHING
Match the term in a growth rate equation with its definition.
a.b
e.K
b.d
f.N
c.e
g.r
d.i
-rate at which individuals leave a population

Accepted Answer

The answer of MATCHING
Match the term in a growth rate...

Question 8

The percentages of a population at different ages are known as the:

Accepted Answer

A)  growth rate. 
B)  age structure. 
C)  biotic potential. 
D)  density. 
E)  fecundity. 
A)  growth rate. 
B)  age structure. 
C)  biotic potential. 
D)  density. 
E)  fecundity.

Question 9

Which of the following sets of values would result in a population with a growth rate of zero?

Accepted Answer

A)  b = 1000, d = 500, i = 750, e = 1000 
B)  b = 1000, d = 500, i = 1000, e = 1000 
C)  b = 1000, d = 500, i = 1500, e = 1000 
D)  b = 1000, d = 500, i = 0, e = 1000 
E)  b = 1000, d = 500, i = 500, e = 1000 
A)  b = 1000, d = 500, i = 750, e = 1000 
B)  b = 1000, d = 500, i = 1000, e = 1000 
C)  b = 1000, d = 500, i = 1500, e = 1000 
D)  b = 1000, d = 500, i = 0, e = 1000 
E)  b = 1000, d = 500, i = 500, e = 1000

Question 10

MATCHING
Match the term in a growth rate equation with its definition.
a.b
e.K
b.d
f.N
c.e
g.r
d.i
-carrying capacity of the environment

Accepted Answer

The answer of MATCHING
Match the term in a growth rate...

Question 11

Figure 53-6
Use the figure to answer the corresponding question(s).  
-Figure 53-6 represents the age structure diagram of:

Accepted Answer

A)  the transition stage. 
B)  the preindustrial state. 
C)  a moderately developed country. 
D)  a developing country. 
E)  a highly developed country. 
A)  the transition stage. 
B)  the preindustrial state. 
C)  a moderately developed country. 
D)  a developing country. 
E)  a highly developed country.

Question 12

MATCHING
Match the term in a growth rate equation with its definition.
a.b
e.K
b.d
f.N
c.e
g.r
d.i
-the logistic curve flattens out here

Accepted Answer

The answer of MATCHING
Match the term in a growth rate...

Question 13

Members of a(n) r-selected species typically have a short lifespan.
____________________

Accepted Answer

A) True 
 B)False

Question 14

Figure 53-2
Use the figure to answer the corresponding question(s).  
-Refer to Figure 53-2.At which point on the graph is the population increasing exponentially?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  There is no exponential increase on this graph. 
A)  A 
B)  B 
C)  C 
D)  D 
E)  There is no exponential increase on this graph.

Question 15

When r = -0.00057, the population size:

Accepted Answer

A)  will increase. 
B)  will decrease. 
C)  is stable. 
D)  may increase or decrease, depending on K. 
E)  may increase or decrease, depending on i. 
A)  will increase. 
B)  will decrease. 
C)  is stable. 
D)  may increase or decrease, depending on K. 
E)  may increase or decrease, depending on i.

Question 16

Figure 53-1
Use the figure to answer the corresponding question(s).  
-The graph in Figure 53-1 would best be described as:

Accepted Answer

A)  being characteristic of exponential growth. 
B)  being characteristic of arithmetic growth. 
C)  an S-shaped curve. 
D)  a J-shaped curve. 
E)  being a J-shaped curve characteristic of exponential growth. 
A)  being characteristic of exponential growth. 
B)  being characteristic of arithmetic growth. 
C)  an S-shaped curve. 
D)  a J-shaped curve. 
E)  being a J-shaped curve characteristic of exponential growth.

Question 17

Most insects and invertebrates are said to be iteroparous.
____________________

Accepted Answer

A) True 
 B)False

Question 18

The term referring to the rate at which organisms produce offspring is:

Accepted Answer

A)  doubling time. 
B)  natality. 
C)  emigration. 
D)  stasis. 
E)  survivorship. 
A)  doubling time. 
B)  natality. 
C)  emigration. 
D)  stasis. 
E)  survivorship.

Question 19

The potential capacity to produce offspring is called:

Accepted Answer

A)  life history traits. 
B)  fitness. 
C)  age structure. 
D)  density. 
E)  fecundity. 
A)  life history traits. 
B)  fitness. 
C)  age structure. 
D)  density. 
E)  fecundity.

Question 20

Features that are typical of K-selected organisms include all of the following except:

Accepted Answer

A)  late reproduction. 
B)  slow development. 
C)  a low reproductive rate. 
D)  large body size. 
E)  little parental care of offspring. 
A)  late reproduction. 
B)  slow development. 
C)  a low reproductive rate. 
D)  large body size. 
E)  little parental care of offspring.

Exam 53: Introduction to Ecology: Population Ecology

MATCHING Match the term in a growth rate equation with its definition. a.b e.K b.d f.N c.e g.r d.i -equal to the birth rate minus the death rate

Figure 53-4 Use the figure to answer the corresponding question(s). -Based on Figure 53-4, which of the following age intervals has the highest death rate?

Figure 53-6 Use the figure to answer the corresponding question(s). -If the pattern remains the same, in 50 years the population in Figure 53-6 would:

By the end of the 21st century, it is expected that the human population will:

Figure 53-2 Use the figure to answer the corresponding question(s). -Using Figure 53-2, identify the point that indicates the carrying capacity for this population.

Which of the following pairs is incorrect?

MATCHING Match the term in a growth rate equation with its definition. a.b e.K b.d f.N c.e g.r d.i -rate at which individuals leave a population

The percentages of a population at different ages are known as the:

Which of the following sets of values would result in a population with a growth rate of zero?

MATCHING Match the term in a growth rate equation with its definition. a.b e.K b.d f.N c.e g.r d.i -carrying capacity of the environment

Figure 53-6 Use the figure to answer the corresponding question(s). -Figure 53-6 represents the age structure diagram of:

MATCHING Match the term in a growth rate equation with its definition. a.b e.K b.d f.N c.e g.r d.i -the logistic curve flattens out here

Members of a(n) r-selected species typically have a short lifespan. ____________________

Figure 53-2 Use the figure to answer the corresponding question(s). -Refer to Figure 53-2.At which point on the graph is the population increasing exponentially?

When r = -0.00057, the population size:

Figure 53-1 Use the figure to answer the corresponding question(s). -The graph in Figure 53-1 would best be described as:

Most insects and invertebrates are said to be iteroparous. ____________________

The term referring to the rate at which organisms produce offspring is:

The potential capacity to produce offspring is called:

Features that are typical of K-selected organisms include all of the following except:

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna: the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

By the end of the 21^st century, it is expected that the human population will: