Question 1

Primary succession can occur on all of the following except a(n)

Accepted Answer

A)  bare surface.
B)  rock.
C)  area sterilized by a lava flow.
D)  fire-ravaged soil.
E)  lifeless substratE.F) C) and D)
G) B) and E)

Question 2

Competition shapes communities because there are usually limited ___________.

Accepted Answer

A)  species
B)  resources
C)  interactions
D)  nutrientsE) All of the above
F) A) and B)

Question 3

Secondary compounds play a defensive role for plants to keep from being eaten by ________.

Accepted Answer

A)  herbivores
B)  carnivores
C)  tertiary consumers
D)  parasitesE) None of the above
F) C) and D)

Question 4

Some insect species have coevolved with particular flowering plants,to assist them in pollination and defense.Plants have also evolved special traits to benefit the insects.Select from the following an item that plants have not coevolved to benefit an insect.

Accepted Answer

A)  food
B)  shelter
C)  protection
D)  water
E)  secondary compoundsF) C) and E)
G) A) and E)

Question 5

Choose the letter of the best match from the following:
-Organisms that possess this property are poisonous,sting,or are otherwise harmful;commonly black,yellow,and red in color.

Accepted Answer

A)  coevolution
B)  aposematic coloration
C)  cryptic coloration
D)  secondary chemical compounds
E)  Batesian mimicryF) C) and D)
G) C) and E)

Question 6

Paleontological studies indicate that,over millions of years,

Accepted Answer

A)  groups of species that have coevolved rise and go extinct together.
B)  species that occurred together in the distant past still occur together today;the community has held constant.
C)  species that arose recently have driven some older species extinct in certain communities.
D)  species seem to come and go individually as niches within a community become available.
E)  species richness changes very littlE.F) A) and C)
G) D) and E)

Question 7

Choose the letter of the best match from the following:
-It is a situation in which a palatable organism resembles another kind of organism that is distasteful or toxic.

Accepted Answer

A)  coevolution
B)  aposematic coloration
C)  cryptic coloration
D)  secondary chemical compounds
E)  Batesian mimicryF) A) and B)
G) A) and E)

Question 8

The individualistic concept of community makes all of the following predictions except

Accepted Answer

A)  adjacent areas with very different soil types should have different,but predictable plant communities.
B)  changes in the abundance of tree species along a soil moisture gradient should not be synchronous with changes in other species.
C)  it should not be possible to predict how the abundance of one community member will change along a habitat gradient based on changes in other community members.
D)  the species composition and abundance of a prehistoric community should be very different from the community existing there today.
E)  in moving from one community to another,species should appear and disappear independently.F) A) and E)
G) C) and D)

Question 9

Some animals are ______ colored and blend in with their surroundings.

Accepted Answer

A)  aposematically
B)  cryptically
C)  asymmetrically
D)  randomlyE) A) and B)
F) None of the above

Question 10

In _______ mimicry,unprotected species resemble others that are distasteful.

Accepted Answer

A)  Müllerian
B)  competitive
C)  Batesian
D)  aposematicE) B) and C)
F) All of the above

Question 11

Which of the following is an example of commensalism?

Accepted Answer

A)  a tapeworm living in the intestines of a mule deer
B)  epiphytes growing on the trunk of a tree
C)  a female mosquito sucking blood from a musk oxen
D)  aphids and their ant tenders
E)  acacia trees and their antsF) B) and D)
G) C) and D)

Question 12

Secondary succession takes place in all of the following except

Accepted Answer

A)  an abandoned agricultural field.
B)  an area burnt off by a fire.
C)  an area exposed by a melting glacier.
D)  an abandoned landfill.
E)  a pile of cow manure ("cow flop.") F) A) and C)
G) None of the above

Question 13

Which of the following statements about Gause's studies of competition between different species of Paramecium is false?

Accepted Answer

A)  A species cultured by itself showed only the effects of intraspecific competition.
B)  A species cultured with another species showed only the effects of interspecific competition.
C)  Competitive exclusion did not always occur if the species' realized niches were sufficiently different.
D)  His studies focused on the type of competition called exploitative competition.
E)  His results showed that there was considerable niche overlap in the Paramecium species he studied.F) B) and D)
G) B) and C)

Question 14

All of the following items are features of a biological community,except one.Select the exception.

Accepted Answer

A)  species richness
B)  keystone species present
C)  successional stage
D)  primary productivity
E)  character displacementF) B) and C)
G) B) and E)

Exam 57: Community of Ecology

Primary succession can occur on all of the following except a(n)

Correct Answer
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Secondary succession takes place in all of the following except

Correct Answer
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Choose the letter of the best match from the following: -It is a situation in which a palatable organism resembles another kind of organism that is distasteful or toxic.

Correct Answer
verified

The individualistic concept of community makes all of the following predictions except

Correct Answer
verified

Paleontological studies indicate that,over millions of years,

Correct Answer
verified

Competition shapes communities because there are usually limited ___________.

Correct Answer
verified

Secondary compounds play a defensive role for plants to keep from being eaten by ________.

Correct Answer
verified

Which of the following statements about Gause's studies of competition between different species of Paramecium is false?

Correct Answer
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Which of the following is an example of commensalism?

Correct Answer
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In _______ mimicry,unprotected species resemble others that are distasteful.

Correct Answer
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Some insect species have coevolved with particular flowering plants,to assist them in pollination and defense.Plants have also evolved special traits to benefit the insects.Select from the following an item that plants have not coevolved to benefit an insect.

Correct Answer
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All of the following items are features of a biological community,except one.Select the exception.

Correct Answer
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Choose the letter of the best match from the following: -Organisms that possess this property are poisonous,sting,or are otherwise harmful;commonly black,yellow,and red in color.

Correct Answer
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Some animals are ______ colored and blend in with their surroundings.

Correct Answer
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Exam 57: Community of Ecology

Primary succession can occur on all of the following except a(n)

Correct AnswerverifiedShow Answer

Secondary succession takes place in all of the following except

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -It is a situation in which a palatable organism resembles another kind of organism that is distasteful or toxic.

Correct AnswerverifiedShow Answer

The individualistic concept of community makes all of the following predictions except

Correct AnswerverifiedShow Answer

Paleontological studies indicate that,over millions of years,

Correct AnswerverifiedShow Answer

Competition shapes communities because there are usually limited ___________.

Correct AnswerverifiedShow Answer

Secondary compounds play a defensive role for plants to keep from being eaten by ________.

Correct AnswerverifiedShow Answer

Which of the following statements about Gause's studies of competition between different species of Paramecium is false?

Correct AnswerverifiedShow Answer

Which of the following is an example of commensalism?

Correct AnswerverifiedShow Answer

In _______ mimicry,unprotected species resemble others that are distasteful.

Correct AnswerverifiedShow Answer

Some insect species have coevolved with particular flowering plants,to assist them in pollination and defense.Plants have also evolved special traits to benefit the insects.Select from the following an item that plants have not coevolved to benefit an insect.

Correct AnswerverifiedShow Answer

All of the following items are features of a biological community,except one.Select the exception.

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Organisms that possess this property are poisonous,sting,or are otherwise harmful;commonly black,yellow,and red in color.

Correct AnswerverifiedShow Answer

Some animals are ______ colored and blend in with their surroundings.

Correct AnswerverifiedShow Answer

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