Question 1

POPULATION
  
-Which letter in the diagram represents limiting abiotic factors?

Accepted Answer

The answer of POPULATION
  
-Which letter in the diagram...

Question 2

What happens when a population exceeds its resource supplies?

Accepted Answer

many members die off (dieback

Question 3

Which natural pattern of population dispersion is associated with the majority of species?

Accepted Answer

A)  a uniform pattern 
B)  a clumped pattern 
C)  a random pattern 
D)  a dispersed pattern 
A)  a uniform pattern 
B)  a clumped pattern 
C)  a random pattern 
D)  a dispersed pattern

Question 4

Which term is not used to describe a type of population change curve?

Accepted Answer

A)  stable 
B)  volatile 
C)  cyclic 
D)  irruptive 
A)  stable 
B)  volatile 
C)  cyclic 
D)  irruptive

Question 5

Why did the World Health Organization initiate pesticide spraying in Borneo (Brunei)?

Accepted Answer

A)  to control sylvatic plague 
B)  to kill the caterpillars found in thatched roofs 
C)  to eliminate small lizards 
D)  to reduce the incidence of malaria 
A)  to control sylvatic plague 
B)  to kill the caterpillars found in thatched roofs 
C)  to eliminate small lizards 
D)  to reduce the incidence of malaria

Question 6

Infectious disease is a classic type of ____________________-dependent population control.

Accepted Answer

The answer of Infectious disease is a classic type of...

Question 7

What type of population change would you expect to occur for beavers in a province that has just outlawed trapping?

Accepted Answer

A)  explosive 
B)  stable 
C)  irruptive 
D)  cyclic 
A)  explosive 
B)  stable 
C)  irruptive 
D)  cyclic

Question 8

REINDEER
  
-Which letter in the graph corresponds to the portion of the graph representing the number of reindeer that exceeded the capacity of their environment?

Accepted Answer

The answer of REINDEER
  
-Which letter in the graph...

Question 9

Which of the following is a density-dependent population control?

Accepted Answer

A)  fire 
B)  drought 
C)  predation 
D)  human destruction of habitat 
A)  fire 
B)  drought 
C)  predation 
D)  human destruction of habitat

Question 10

Which of the following is a density-independent population control?

Accepted Answer

A)  disease in the environment 
B)  parasitism in the environment 
C)  predation in the environment 
D)  unfavourable chemical changes in the environment 
A)  disease in the environment 
B)  parasitism in the environment 
C)  predation in the environment 
D)  unfavourable chemical changes in the environment

Question 11

SHEEP
  
-Which letter in the graph corresponds to the portion of the curve that results from biotic potential and environmental resistance?

Accepted Answer

The answer of SHEEP
  
-Which letter in the graph...

Question 12

A life table shows the number of individuals at each age on a survivorship curve.

Accepted Answer

A) True 
 B)False

Question 13

Which statement applies to natural ecosystems?

Accepted Answer

A)  They are subject to continuous invasion by pathogens and weeds. 
B)  They are usually capable of self-maintenance and self-renewal. 
C)  They have most of their biomass in one species. 
D)  They require applications of pesticides. 
A)  They are subject to continuous invasion by pathogens and weeds. 
B)  They are usually capable of self-maintenance and self-renewal. 
C)  They have most of their biomass in one species. 
D)  They require applications of pesticides.

Question 14

The intrinsic rate of increase (r)is the rate at which a population would grow if it had unlimited resources.

Accepted Answer

A) True 
 B)False

Question 15

Most large mammals and birds of prey are ____________________ -selected species.

Accepted Answer

The answer of Most large mammals and birds of prey...

Question 16

Which statement is a general description of an r-selected species?

Accepted Answer

A)  It is small and short lived. 
B)  It has a low biotic potential. 
C)  It survives to reproduce. 
D)  It gives much care to its offspring. 
A)  It is small and short lived. 
B)  It has a low biotic potential. 
C)  It survives to reproduce. 
D)  It gives much care to its offspring.

Question 17

A key theme of thisCHAPTER is that we can make our economies and our societies more sustainable though the application of lessons learned by studying ____________________ .

Accepted Answer

The answer of A key theme of thisCHAPTER is that...

Question 18

REINDEER
  
-Which letter in the graph corresponds to the portion of the graph representing the number of reindeer that can be sustained indefinitely in a given area?

Accepted Answer

The answer of REINDEER
  
-Which letter in the graph...

Question 19

Which population pattern is likely for hares and lynx living in an undisturbed habitat?

Accepted Answer

A)  irruptive 
B)  cyclic 
C)  explosive 
D)  stable 
A)  irruptive 
B)  cyclic 
C)  explosive 
D)  stable

Question 20

Which feature would likely be lacking in a living system?

Accepted Answer

A)  diversity 
B)  interdependence 
C)  predictability 
D)  limits 
A)  diversity 
B)  interdependence 
C)  predictability 
D)  limits

Exam 9: Population Ecology

POPULATION -Which letter in the diagram represents limiting abiotic factors?

What happens when a population exceeds its resource supplies?

Which natural pattern of population dispersion is associated with the majority of species?

Which term is not used to describe a type of population change curve?

Why did the World Health Organization initiate pesticide spraying in Borneo (Brunei)?

Infectious disease is a classic type of ____________________-dependent population control.

What type of population change would you expect to occur for beavers in a province that has just outlawed trapping?

REINDEER -Which letter in the graph corresponds to the portion of the graph representing the number of reindeer that exceeded the capacity of their environment?

Which of the following is a density-dependent population control?

Which of the following is a density-independent population control?

SHEEP -Which letter in the graph corresponds to the portion of the curve that results from biotic potential and environmental resistance?

A life table shows the number of individuals at each age on a survivorship curve.

Which statement applies to natural ecosystems?

The intrinsic rate of increase (r)is the rate at which a population would grow if it had unlimited resources.

Most large mammals and birds of prey are ____________________ -selected species.

Which statement is a general description of an r-selected species?

A key theme of thisCHAPTER is that we can make our economies and our societies more sustainable though the application of lessons learned by studying ____________________ .

REINDEER -Which letter in the graph corresponds to the portion of the graph representing the number of reindeer that can be sustained indefinitely in a given area?

Which population pattern is likely for hares and lynx living in an undisturbed habitat?

Which feature would likely be lacking in a living system?

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

Science, systems, matter, and Energy

Ecosystems: What Are They, and How Do They Work

Evolution and Biodiversity

Climate and Terrestrial Biodiversity

Aquatic Biodiversity

Community Ecology

Applying Population Ecology: the Human Population

Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

Sustaining Biodiversity: the Species Approach

Sustaining Aquatic Biodiversity

Food and Soil Resources

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Risk,toxicology,and Human Health

Air Pollution

Climate Change and Ozone Loss

Water Pollution

Pest Management

Solid and Hazardous Waste

Sustainable Cities

Economics, environment, and Sustainability

Politics, environment, and Sustainability

Environmental World-views, ethics, and Sustainability

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