Question 1

Sea lions can live into their thirties and produce no more than one pup per year. A sea lion is a(n) ____ species.

Accepted Answer

A)  type II 
B)  opportunistic 
C)  K-selected 
D)  r-selected 
E)  type III 
A)  type II 
B)  opportunistic 
C)  K-selected 
D)  r-selected 
E)  type III

Question 2

​Biotic potential ____.

Accepted Answer

A)  ​can always be reached in the natural world 
B)  ​is independent of life history traits 
C)  ​is based on limited resources 
D)  ​would be indicated by an S-shaped curve 
E)  ​is a theoretical value based on conditions of unlimited resources 
A)  ​can always be reached in the natural world 
B)  ​is independent of life history traits 
C)  ​is based on limited resources 
D)  ​would be indicated by an S-shaped curve 
E)  ​is a theoretical value based on conditions of unlimited resources

Question 3

Limiting factors to population growth ____.​

Accepted Answer

A)  produce less pronounced effects as a population grows​ 
B)  ​tend to increase population growth 
C)  ​are the same as the biotic potential 
D)  ​raise the carrying capacity to a higher level 
E)  ​prevent a population from producing a J-shaped growth curve 
A)  produce less pronounced effects as a population grows​ 
B)  ​tend to increase population growth 
C)  ​are the same as the biotic potential 
D)  ​raise the carrying capacity to a higher level 
E)  ​prevent a population from producing a J-shaped growth curve

Question 4

Type I survivorship curves are typical of ____.​

Accepted Answer

A)  ​horses only​ 
B)  chimpanzees only 
C)  ​mice only 
D)  ​horses and chimpanzees 
E)  ​horses, chimpanzees, and mice 
A)  ​horses only​ 
B)  chimpanzees only 
C)  ​mice only 
D)  ​horses and chimpanzees 
E)  ​horses, chimpanzees, and mice

Question 5

Which element is a density-dependent factor that controls the size of a population?​

Accepted Answer

A)  ​wind velocity 
B)  ​light intensity 
C)  resource availability​ 
D)  ​temperature 
E)  ​wave action in an intertidal zone 
A)  ​wind velocity 
B)  ​light intensity 
C)  resource availability​ 
D)  ​temperature 
E)  ​wave action in an intertidal zone

Question 6

The distribution of individuals among various age categories defines a population's ________.

Accepted Answer

A)  size 
B)  density 
C)  age structure 
D)  growth 
E)  range 
A)  size 
B)  density 
C)  age structure 
D)  growth 
E)  range

Question 7

Match the terms with the most appropriate statement.
-given unlimited resources, what organisms will achieve
A)density-dependent factor
B)demographic transitional stage
C)type I survivorship
D)r-selected species
E)biotic potential
F)density-independent factor
G)logistic growth

Accepted Answer

The answer of Match the terms with the most appropriate...

Question 8

Match the following terms with the most appropriate statement.
-method for estimating numbers of mobile animals
A)population size
B)population density
C)population distribution
D)demographics
E)ecology
F)per capita growth rate
G)exponential
H)mark-recapture
I)sample

Accepted Answer

The answer of Match the following terms with the most...

Question 9

What is the major assumption of the exponential model of population growth?

Accepted Answer

A)  Resources are unlimited. 
B)  Organisms selectively choose their mates. 
C)  The death rate equals the birth rate. 
D)  Biotic potential is limited. 
E)  Density-dependent factors are at work. 
A)  Resources are unlimited. 
B)  Organisms selectively choose their mates. 
C)  The death rate equals the birth rate. 
D)  Biotic potential is limited. 
E)  Density-dependent factors are at work.

Question 10

Match the terms with the most appropriate statement.
-long life spans, few offspring, extended care of young
A)density-dependent factor
B)demographic transitional stage
C)type I survivorship
D)r-selected species
E)biotic potential
F)density-independent factor
G)logistic growth

Accepted Answer

The answer of Match the terms with the most appropriate...

Question 11

Type I survivorship curves ____.​

Accepted Answer

A)  ​are characteristics of mice and other rodents 
B)  ​typify a population in which all ages have an equal chance of survival 
C)  indicate a high mortality rate in the very young​ 
D)  ​show that very few young are produced, that each is given parental support, and that most individuals live a relatively long life and die of old age 
E)  ​are typical of annual plants 
A)  ​are characteristics of mice and other rodents 
B)  ​typify a population in which all ages have an equal chance of survival 
C)  indicate a high mortality rate in the very young​ 
D)  ​show that very few young are produced, that each is given parental support, and that most individuals live a relatively long life and die of old age 
E)  ​are typical of annual plants

Question 12

In which demographic model is population growth the fastest?

Accepted Answer

A)  preindustrial 
B)  transitional 
C)  industrial 
D)  postindustrial 
E)  transformational 
A)  preindustrial 
B)  transitional 
C)  industrial 
D)  postindustrial 
E)  transformational

Question 13

​A population that is growing exponentially in the absence of limiting factors can be illustrated by which shaped curve?

Accepted Answer

A)  ​S-shaped 
B)  ​J-shaped 
C)  ​O-shaped 
D)  ​bimodal 
E)  ​skewed 
A)  ​S-shaped 
B)  ​J-shaped 
C)  ​O-shaped 
D)  ​bimodal 
E)  ​skewed

Question 14

Which group describes a population?

Accepted Answer

A)  Members of a population are all genetically identical. 
B)  Members of a population live together and interbreed. 
C)  A population may include both predators and prey. 
D)  Members of a population spend much of their time living apart. 
E)  Members of a population can live in two geographic areas. 
A)  Members of a population are all genetically identical. 
B)  Members of a population live together and interbreed. 
C)  A population may include both predators and prey. 
D)  Members of a population spend much of their time living apart. 
E)  Members of a population can live in two geographic areas.

Question 15

How much of Europe's population was wiped out by the Black Death?​

Accepted Answer

A)  ​1/2 
B)  ​1/3 
C)  ​1/4 
D)  ​1/5 
E)  ​1/6 
A)  ​1/2 
B)  ​1/3 
C)  ​1/4 
D)  ​1/5 
E)  ​1/6

Question 16

Which statement describes Canada geese populations?

Accepted Answer

A)  All Canada geese populations migrate. 
B)  All Canada geese breed where they were raised. 
C)  Like other migratory birds, Canada geese are protected by federal law. 
D)  When living together, migratory Canada geese do not interbreed with nonmigratory individuals. 
E)  Nonmigratory Canada geese have more goslings (baby geese) than migratory geese. 
A)  All Canada geese populations migrate. 
B)  All Canada geese breed where they were raised. 
C)  Like other migratory birds, Canada geese are protected by federal law. 
D)  When living together, migratory Canada geese do not interbreed with nonmigratory individuals. 
E)  Nonmigratory Canada geese have more goslings (baby geese) than migratory geese.

Question 17

Match the terms with the most appropriate statement.
-factors that affect the growth of a population regardless of the number of individuals in that population
A)density-dependent factor
B)demographic transitional stage
C)type I survivorship
D)r-selected species
E)biotic potential
F)density-independent factor
G)logistic growth

Accepted Answer

The answer of Match the terms with the most appropriate...

Question 18

Which type of growth curve is pictured for the accompanying photo of a desert shrub?

Accepted Answer

A)  type II 
B)  logistic 
C)  type I 
D)  exponential 
E)  type III 
A)  type II 
B)  logistic 
C)  type I 
D)  exponential 
E)  type III

Question 19

The maximum number of individuals of a species that a given environment can sustain indefinitely defines ____.

Accepted Answer

A)  the carrying capacity of the environment 
B)  exponential growth 
C)  the doubling time of a population 
D)  density-dependent factors 
E)  density-independent factors 
A)  the carrying capacity of the environment 
B)  exponential growth 
C)  the doubling time of a population 
D)  density-dependent factors 
E)  density-independent factors

Question 20

India is in which demographic transitional stage?​

Accepted Answer

A)  ​birth and death rates equally high; growth rate low 
B)  ​death rate dropping fast; birth rate declining but slowly 
C)  ​birth rates declining and approaching the death rates 
D)  birth rate falling below death rate; population size decreasing​ 
E)  ​death rate greatly exceeds birth rate; population is close to extinction 
A)  ​birth and death rates equally high; growth rate low 
B)  ​death rate dropping fast; birth rate declining but slowly 
C)  ​birth rates declining and approaching the death rates 
D)  birth rate falling below death rate; population size decreasing​ 
E)  ​death rate greatly exceeds birth rate; population is close to extinction

Exam 17: Population Ecology

Sea lions can live into their thirties and produce no more than one pup per year. A sea lion is a(n) ____ species.

​Biotic potential ____.

Limiting factors to population growth ____.​

Type I survivorship curves are typical of ____.​

Which element is a density-dependent factor that controls the size of a population?​

The distribution of individuals among various age categories defines a population's ________.

Match the terms with the most appropriate statement. -given unlimited resources, what organisms will achieve A)density-dependent factor B)demographic transitional stage C)type I survivorship D)r-selected species E)biotic potential F)density-independent factor G)logistic growth

Match the following terms with the most appropriate statement. -method for estimating numbers of mobile animals A)population size B)population density C)population distribution D)demographics E)ecology F)per capita growth rate G)exponential H)mark-recapture I)sample

What is the major assumption of the exponential model of population growth?

Match the terms with the most appropriate statement. -long life spans, few offspring, extended care of young A)density-dependent factor B)demographic transitional stage C)type I survivorship D)r-selected species E)biotic potential F)density-independent factor G)logistic growth

Type I survivorship curves ____.​

In which demographic model is population growth the fastest?

​A population that is growing exponentially in the absence of limiting factors can be illustrated by which shaped curve?

Which group describes a population?

How much of Europe's population was wiped out by the Black Death?​

Which statement describes Canada geese populations?

Which type of growth curve is pictured for the accompanying photo of a desert shrub?

The maximum number of individuals of a species that a given environment can sustain indefinitely defines ____.

India is in which demographic transitional stage?​

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Photosynthesis

Releasing Chemical Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and Viruses

Plants and Fungi

Animal Evolution

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

Filters

Biotic potential ____.

Limiting factors to population growth ____.

Type I survivorship curves are typical of ____.

Which element is a density-dependent factor that controls the size of a population?

Type I survivorship curves ____.

A population that is growing exponentially in the absence of limiting factors can be illustrated by which shaped curve?

How much of Europe's population was wiped out by the Black Death?

India is in which demographic transitional stage?