Question 1

Describe the method used to assess moose population size on Isle Royale.

Accepted Answer

The population was assessed by flying ov...

Question 2

What population is also correlated with the wolf-moose population cycles observed on Isle Royale?

Accepted Answer

A)   bats
B)   small insects
C)   fir trees
D)   red squirrels
E)   humans

Question 3

Which is a density-independent factor?

Accepted Answer

A)   competition
B)   drought
C)   parasitism
D)   disease
E)   predation

Question 4

A few years after a predator species population increases,the ____.

Accepted Answer

A)   predator population will increase
B)   prey population will decrease
C)   predator population will decrease
D)   predator population will exceed carrying capacity
E)   prey population will exceed carrying capacity

Question 5

A population's growth rate depends on four factors.Name and define each.

Accepted Answer

Birth rate-the rate at which individuals...

Question 6

All of the gray wolves found in Yellowstone Park constitute a _____.

Accepted Answer

A)   community
B)   pack
C)   family
D)   population
E)   species

Question 7

List and define the three common patterns of population distribution.

Accepted Answer

Random-Individuals are equally likely to...

Question 8

The predator species on Isle Royale is the

Accepted Answer

A)   moose.
B)   wolf.
C)   plants.
D)   ravens.
E)   caribou.

Question 9

A decrease in natural resources will ____.

Accepted Answer

A)   increase the carrying capacity
B)   stimulate an increase in reproductive rate
C)   cause a reduction in habitat area
D)   decrease the carrying capacity
E)   eliminate the population

Question 10

What is the difference between exponential growth and logistic growth? Which type do most populations exhibit?

Accepted Answer

Exponential growth describes a populatio...

Question 11

Which of the following most accurately describes the population cycles of moose and wolves on Isle Royale?

Accepted Answer

A)   Moose and wolf populations stay at carrying capacity.
B)   Moose populations stay at carrying capacity, while wolf populations rise and fall.
C)   Moose populations rise and fall, while wolf populations stay at carrying capacity.
D)   Moose and wolf populations rise and fall at the same time.
E)   Moose and wolf populations rise and fall, but wolf populations peak a few years after the moose population peaks.

Question 12

Climate change and warmer temperatures may

Accepted Answer

A)   alter vegetation growth patterns.
B)   affect food sources of populations.
C)   increase a population's disease susceptibility.
D)   increase pest populations.
E)   All of the above.

Question 13

From studies of predator prey relationships,it could be predicted that an increase of zebra on a savannah would be followed by a subsequent

Accepted Answer

A)   decrease in herbivores.
B)   decrease in gazelles.
C)   increase in herbivores.
D)   increase in lions.
E)   decrease in lions.

Question 14

Ocean fish demonstrate which distribution pattern?

Accepted Answer

A)   random
B)   uniform
C)   clumped
D)   irregular
E)   asymmetric

Question 15

Scientists studying mammals frequently analyze scat.Why?

Accepted Answer

Scat can reveal several things.Traces of prey items can often be identified,so scat can be used to show individual preferences in prey items,seasonal changes in prey items,and to estimate overall impact of predation on prey species.Scat can also provide DNA,allowing researchers to develop genetic profiles of the owls in an area.

Question 16

The geographic distribution of a population is influenced by all of the following,EXCEPT

Accepted Answer

A)   resources.
B)   behavior.
C)   number of young born.
D)   predator avoidance.
E)   environment. C

Question 17

Although many factors influence moose population density,predation is likely to be a density-__________ factor,and a harsh winter is likely to be a density-_________ factor.

Accepted Answer

A)   dependent; dependent
B)   dependent; independent
C)   independent; independent
D)   independent; dependent
E)   abiotic; biotic

Question 18

What can an examination of moose scat tell you about that moose?

Accepted Answer

An examination of moose scat can tell yo...

Question 19

A researcher who investigates how flooding affects the different populations on an island is most interested in which level of organization?

Accepted Answer

A)   ecosystem
B)   community
C)   biome
D)   individual
E)   biosphere A

Question 20

How has climate change affected the Isle Royale ecosystem?

Accepted Answer

A)   The moose population has decreased.
B)   The wolf population has decreased.
C)   The tick population has increased.
D)   The moose population has been weakened by ticks.
E)   All of the above.

Exam 21: B: Population Ecology on the Tracks of Wolves and Moose

Describe the method used to assess moose population size on Isle Royale.

Correct Answer
verified
The population was assessed by flying ov...
View Answer

What population is also correlated with the wolf-moose population cycles observed on Isle Royale?

Correct Answer
verified

Which is a density-independent factor?

Correct Answer
verified

A few years after a predator species population increases,the ____.

Correct Answer
verified

A population's growth rate depends on four factors.Name and define each.

Correct Answer
verified
Birth rate-the rate at which individuals...
View Answer

All of the gray wolves found in Yellowstone Park constitute a _____.

Correct Answer
verified

List and define the three common patterns of population distribution.

Correct Answer
verified
Random-Individuals are equally likely to...
View Answer

The predator species on Isle Royale is the

Correct Answer
verified

A decrease in natural resources will ____.

Correct Answer
verified

What is the difference between exponential growth and logistic growth? Which type do most populations exhibit?

Correct Answer
verified
Exponential growth describes a populatio...
View Answer

Which of the following most accurately describes the population cycles of moose and wolves on Isle Royale?

Correct Answer
verified

Climate change and warmer temperatures may

Correct Answer
verified

From studies of predator prey relationships,it could be predicted that an increase of zebra on a savannah would be followed by a subsequent

Correct Answer
verified

Ocean fish demonstrate which distribution pattern?

Correct Answer
verified

Scientists studying mammals frequently analyze scat.Why?

The geographic distribution of a population is influenced by all of the following,EXCEPT

Correct Answer
verified
C

Although many factors influence moose population density,predation is likely to be a density-__ factor,and a harsh winter is likely to be a density-_ factor.

Correct Answer
verified

What can an examination of moose scat tell you about that moose?

Correct Answer
verified
An examination of moose scat can tell yo...
View Answer

A researcher who investigates how flooding affects the different populations on an island is most interested in which level of organization?

Correct Answer
verified
A

How has climate change affected the Isle Royale ecosystem?

Correct Answer
verified

Exam 21: B: Population Ecology on the Tracks of Wolves and Moose

Describe the method used to assess moose population size on Isle Royale.

Correct AnswerverifiedThe population was assessed by flying ov...View AnswerShow Answer

What population is also correlated with the wolf-moose population cycles observed on Isle Royale?

Correct AnswerverifiedShow Answer

Which is a density-independent factor?

Correct AnswerverifiedShow Answer

A few years after a predator species population increases,the ____.

Correct AnswerverifiedShow Answer

A population's growth rate depends on four factors.Name and define each.

Correct AnswerverifiedBirth rate-the rate at which individuals...View AnswerShow Answer

All of the gray wolves found in Yellowstone Park constitute a _____.

Correct AnswerverifiedShow Answer

List and define the three common patterns of population distribution.

Correct AnswerverifiedRandom-Individuals are equally likely to...View AnswerShow Answer

The predator species on Isle Royale is the

Correct AnswerverifiedShow Answer

A decrease in natural resources will ____.

Correct AnswerverifiedShow Answer

What is the difference between exponential growth and logistic growth? Which type do most populations exhibit?

Correct AnswerverifiedExponential growth describes a populatio...View AnswerShow Answer

Which of the following most accurately describes the population cycles of moose and wolves on Isle Royale?

Correct AnswerverifiedShow Answer

Climate change and warmer temperatures may

Correct AnswerverifiedShow Answer

From studies of predator prey relationships,it could be predicted that an increase of zebra on a savannah would be followed by a subsequent

Correct AnswerverifiedShow Answer

Ocean fish demonstrate which distribution pattern?

Correct AnswerverifiedShow Answer

Scientists studying mammals frequently analyze scat.Why?

The geographic distribution of a population is influenced by all of the following,EXCEPT

Correct AnswerverifiedC

Although many factors influence moose population density,predation is likely to be a density-__________ factor,and a harsh winter is likely to be a density-_________ factor.

Correct AnswerverifiedShow Answer

What can an examination of moose scat tell you about that moose?

Correct AnswerverifiedAn examination of moose scat can tell yo...View AnswerShow Answer

A researcher who investigates how flooding affects the different populations on an island is most interested in which level of organization?

Correct AnswerverifiedA

How has climate change affected the Isle Royale ecosystem?

Correct AnswerverifiedShow Answer

Correct Answer
verified
The population was assessed by flying ov...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Birth rate-the rate at which individuals...
View Answer

Correct Answer
verified

Correct Answer
verified
Random-Individuals are equally likely to...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Exponential growth describes a populatio...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Although many factors influence moose population density,predation is likely to be a density-__ factor,and a harsh winter is likely to be a density-_ factor.

Correct Answer
verified

Correct Answer
verified
An examination of moose scat can tell yo...
View Answer

Correct Answer
verified
A

Correct Answer
verified