Question 1

Jellyfish are as likely to die at one age as any other.Thus,a type ___ survivorship curve characterizes their life history.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  more than one of these 
E)  none of these 
A)  I 
B)  II 
C)  III 
D)  more than one of these 
E)  none of these

Question 2

Match the following letters with the number with which they best correspond.
 a.population density
b.population growth rate
c.carrying capacity
d.limiting factor
e.age structure
f.ecological footprint
-a necessary resource,the depletion of which halts population growth

Accepted Answer

The answer of Match the following letters with the number...

Question 3

In itself,a flood that washes away an entire population of rabbits is

Accepted Answer

A)  a density-dependent factor. 
B)  an intrinsic limiting factor. 
C)  density-independent. 
D)  a consequence of exponential growth. 
E)  an example of a population reaching its carrying capacity. 
A)  a density-dependent factor. 
B)  an intrinsic limiting factor. 
C)  density-independent. 
D)  a consequence of exponential growth. 
E)  an example of a population reaching its carrying capacity.

Question 4

On Easter Island in the Pacific Ocean,from original population of 100 humans the population rose to around 3000.In time,the entire island was under cultivation and eventually the soils became so over cultivated that crops could no longer be grown.People started dying from starvation and disease.This Easter Island population had exceeded its

Accepted Answer

A)  density-independent factors. 
B)  biotic potential. 
C)  logistic growth. 
D)  carrying capacity. 
E)  opportunistic life history. 
A)  density-independent factors. 
B)  biotic potential. 
C)  logistic growth. 
D)  carrying capacity. 
E)  opportunistic life history.

Question 5

Classification.Answer the questions in reference to the seven terms listed below that are used by ecologists.
 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
-Factors that affect the growth of a population regardless of the number of individuals in that population.

Accepted Answer

The answer of Classification.Answer the questions in reference to the...

Question 6

In a population of Asian elephants,the death rate equals the birth rate.This population has

Accepted Answer

A)  reached its biotic potential. 
B)  achieved zero population growth. 
C)  not exceeded its carrying capacity. 
D)  exponential growth. 
E)  geometric growth. 
A)  reached its biotic potential. 
B)  achieved zero population growth. 
C)  not exceeded its carrying capacity. 
D)  exponential growth. 
E)  geometric growth.

Question 7

Increasingly population density will most likely lead to which type of distribution pattern?

Accepted Answer

A)  clumped 
B)  random 
C)  uniform 
D)  uniform and clumped 
E)  random and clumped 
A)  clumped 
B)  random 
C)  uniform 
D)  uniform and clumped 
E)  random and clumped

Question 8

Classification.Answer the questions in reference to the seven terms listed below that are used by ecologists.
 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
-Clams,insects,many fish species fit into this model

Accepted Answer

The answer of Classification.Answer the questions in reference to the...

Question 9

The exponential growth rate of a population under ideal conditions is its

Accepted Answer

A)  carrying capacity. 
B)  logistic growth. 
C)  biotic potential. 
D)  realized niche. 
E)  density dependence. 
A)  carrying capacity. 
B)  logistic growth. 
C)  biotic potential. 
D)  realized niche. 
E)  density dependence.

Question 10

A J-shaped growth curve is converted to an S-shaped one

Accepted Answer

A)  when the parents are past reproductive age. 
B)  if the data is plotted in reverse. 
C)  when the carrying capacity is reached. 
D)  if reproduction is stopped. 
E)  only for fast-growing populations such as bacteria. 
A)  when the parents are past reproductive age. 
B)  if the data is plotted in reverse. 
C)  when the carrying capacity is reached. 
D)  if reproduction is stopped. 
E)  only for fast-growing populations such as bacteria.

Question 11

Limiting factors

Accepted Answer

A)  produce more pronounced effects as a population grows. 
B)  prevent a population from producing a J-shaped curve. 
C)  can be either density-dependent or density-independent. 
D)  act together in concert to form the environmental resistance to population growth. 
E)  have all of these characteristics. 
A)  produce more pronounced effects as a population grows. 
B)  prevent a population from producing a J-shaped curve. 
C)  can be either density-dependent or density-independent. 
D)  act together in concert to form the environmental resistance to population growth. 
E)  have all of these characteristics.

Question 12

The most sustainable method for limiting human population growth is

Accepted Answer

A)  decreasing birth rate. 
B)  increasing carrying capacity. 
C)  decreasing competition. 
D)  increasing death rate. 
E)  exploiting outer space. 
A)  decreasing birth rate. 
B)  increasing carrying capacity. 
C)  decreasing competition. 
D)  increasing death rate. 
E)  exploiting outer space.

Question 13

In Michigan,the population of Canada geese changed from 9,000 to a population of ___ in 2008.

Accepted Answer

A)  3,000 
B)  30,000 
C)  300,000 
D)  3,000,000 
E)  30,000,000 
A)  3,000 
B)  30,000 
C)  300,000 
D)  3,000,000 
E)  30,000,000

Question 14

Which of the following is NOT a density-dependent,growth-limiting factor?

Accepted Answer

A)  pathogens 
B)  parasitism 
C)  drought 
D)  competition 
E)  species interaction 
A)  pathogens 
B)  parasitism 
C)  drought 
D)  competition 
E)  species interaction

Question 15

If all diseases are eradicated and food supply exceeds demand indefinitely,the human population on the planet earth will NOT continue to grow at an exponential rate indefinitely because

Accepted Answer

A)  a new disease organism will evolve. 
B)  density-independent factors will always remove individuals. 
C)  space will become a limiting factor. 
D)  the few humans left will engage in war and kill each other. 
E)  all of these will occur. 
A)  a new disease organism will evolve. 
B)  density-independent factors will always remove individuals. 
C)  space will become a limiting factor. 
D)  the few humans left will engage in war and kill each other. 
E)  all of these will occur.

Question 16

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 17

What invention about 11,000 years ago led to a boom in the human population?

Accepted Answer

A)  the wheel 
B)  agriculture 
C)  the printing press 
D)  the steam engine 
E)  all of these 
A)  the wheel 
B)  agriculture 
C)  the printing press 
D)  the steam engine 
E)  all of these

Question 18

To a person studying utilization of classroom space on campus,the most useful data concerning students in a classroom would be expressed by the number of

Accepted Answer

A)  total individuals. 
B)  individuals per square meter. 
C)  individuals per room. 
D)  rooms per building. 
E)  students of each age. 
A)  total individuals. 
B)  individuals per square meter. 
C)  individuals per room. 
D)  rooms per building. 
E)  students of each age.

Question 19

Examine the figure above and answer the following question(s).
-This figure describes a typical example of

Accepted Answer

A)  biotic potential growth. 
B)  exponential growth. 
C)  logistic growth. 
D)  logarithmic growth. 
E)  density-dependent growth. 
A)  biotic potential growth. 
B)  exponential growth. 
C)  logistic growth. 
D)  logarithmic growth. 
E)  density-dependent growth.

Question 20

What percentage of married women worldwide use family planning methods?

Accepted Answer

A)  20 
B)  30 
C)  40 
D)  50 
E)  60 
A)  20 
B)  30 
C)  40 
D)  50 
E)  60

Exam 16: Population Ecology

Jellyfish are as likely to die at one age as any other.Thus,a type ___ survivorship curve characterizes their life history.

Match the following letters with the number with which they best correspond. a.population density b.population growth rate c.carrying capacity d.limiting factor e.age structure f.ecological footprint -a necessary resource,the depletion of which halts population growth

In itself,a flood that washes away an entire population of rabbits is

In a population of Asian elephants,the death rate equals the birth rate.This population has

Increasingly population density will most likely lead to which type of distribution pattern?

The exponential growth rate of a population under ideal conditions is its

A J-shaped growth curve is converted to an S-shaped one

Limiting factors

The most sustainable method for limiting human population growth is

In Michigan,the population of Canada geese changed from 9,000 to a population of ___ in 2008.

Which of the following is NOT a density-dependent,growth-limiting factor?

If all diseases are eradicated and food supply exceeds demand indefinitely,the human population on the planet earth will NOT continue to grow at an exponential rate indefinitely because

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

What invention about 11,000 years ago led to a boom in the human population?

To a person studying utilization of classroom space on campus,the most useful data concerning students in a classroom would be expressed by the number of

Examine the figure above and answer the following question(s). -This figure describes a typical example of

What percentage of married women worldwide use family planning methods?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the 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

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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