Question 1

A relationship in which both members benefit is called

Accepted Answer

A)  predation.
B)  parasitism.
C)  mutualism.
D)  commensalism.
E)  sympatric.F) A) and E)
G) A) and B)

Question 2

All organisms living together in a place are called a ___________.

Accepted Answer

A)  community
B)  population
C)  species
D)  ecosystemE) All of the above
F) C) and D)

Question 3

The actual niche the organism is able to occupy in the presence of competitors is called its

Accepted Answer

A)  fundamental niche.
B)  realized niche.
C)  interference niche.
D)  intraspecific niche.
E)  exploitative nichE.F) C) and D)
G) D) and E) B

Question 4

The holistic concept of communities,as put forth by Clements,says that

Accepted Answer

A)  communities are formed from coevolved species that function together.
B)  communities are made of an aggregation of species that happen to co-occur at the same place and time.
C)  communities are composed of clusters of adaptively radiated species.
D)  communities consist of unrelated groups that co-occupy niches.
E)  communities include groups of species that compete for the same nichE.F) A) and E)
G) A) and D)

Question 5

Resource partitioning can often be seen in similar species that occupy the same geographic area.These species avoid competition by living in different portions of the habitat or by utilizing different food or other resources and are called ____________ species.

Accepted Answer

A)  sympatric
B)  allopatric
C)  competitive
D)  fundamental
E)  exploitativeF) A) and E)
G) A) and C) A

Question 6

A _________ relationship is one in which two or more kinds of organisms live together in often elaborate and more or less permanent association.

Accepted Answer

A)  symbiotic
B)  parasitic
C)  mutualistic
D)  synergisticE) A) and C)
F) B) and D)

Question 7

Insects that feed on milkweed plants are generally brightly colored.Such coloration is called

Accepted Answer

A)  Batesian mimicry.
B)  apoptosis.
C)  cryptic coloration.
D)  warning coloration.
E)  Müllerian mimicry.F) B) and C)
G) A) and E)

Question 8

The attempt of two organisms trying to utilize the same resource is called ___________.

Accepted Answer

A)  synergy
B)  parasitism
C)  competition
D)  interferenceE) None of the above
F) A) and D)

Question 9

Coevolution is involved in all of the following except

Accepted Answer

A)  competition.
B)  predation.
C)  natural selection.
D)  symbiosis.
E)  intraspecific competition.F) A) and C)
G) A) and B) E

Question 10

Choose the letter of the best match from the following:
-Is the process by which different kinds of organisms adjust to one another by genetic change over long periods of time.

Accepted Answer

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

Question 11

Which of the following statements about the intermediate disturbance hypothesis is false?

Accepted Answer

A)  The intermediate disturbance hypothesis predicts that most communities eventually reach an end-state or climax community.
B)  Intermediate disturbance should lead to increases in species richness.
C)  Disturbances tend to lead to the dominance of r-selected species.
D)  An example of intermediate disturbance would be a tree fall in a mature rain forest.
E)  Intermediate disturbance should lead to all successional stages being present in the community at the same timE.F) A) and B)
G) C) and E)

Question 12

Communities evolve to have greater biomass and species richness in a process called

Accepted Answer

A)  sympatric interactions.
B)  adaptive modifications.
C)  succession.
D)  symbiotic relationships.
E)  competitive exclusion.F) A) and E)
G) A) and D)

Question 13

The symbiotic relationship between cattle egrets and cape buffalo is an example of

Accepted Answer

A)  mutualism.
B)  parasitism.
C)  commensalism.
D)  predation.
E)  competition.F) D) and E)
G) A) and C)

Question 14

Two or more unrelated but protected species resemble one another,having bright colors,thus achieving a kind of group defense.This phenomenon of similar coloration is called

Accepted Answer

A)  Batesian mimicry.
B)  Müllerian mimicry.
C)  aposematic coloration.
D)  warning coloration.
E)  mutualistic coloration.F) B) and E)
G) A) and C)

Question 15

If a certain insect uses a specific plant secondary substance as a signal to feed,instead of a warning to stay away,this is an example of

Accepted Answer

A)  failure of natural selection.
B)  modification of the environment.
C)  coevolutionary adaptation.
D)  reproductive strategy.
E)  survival of the fittest.F) A) and E)
G) A) and D)

Question 16

Which of the following statements about predation is false?

Accepted Answer

A)  Cycling of predator and prey populations is not commonly observed.
B)  For the mimic,Batesian mimicry is a coevolutionary adaptation to predation.
C)  Predation can induce coevolutionary changes in prey species.
D)  Animal predation on plants is called herbivory.
E)  Removal of a predator often leads to increased community stability.F) A) and D)
G) All of the above

Question 17

A relationship,which occurs when one member of the relationship is neither helped nor harmed and the other member derives some benefit,is called

Accepted Answer

A)  predation.
B)  parasitism.
C)  mutualism.
D)  commensalism.
E)  sympatric.F) B) and E)
G) A) and E)

Question 18

Gause said that if two species attempt to occupy the same niche,with limited resources,one of them will become

Accepted Answer

A)  a commensalist.
B)  parasitic.
C)  a predator.
D)  extinct.
E)  symbiotic.F) B) and E)
G) A) and C)

Question 19

Which of the following statements accurately reflects the differences between Batesian mimicry and Müllerian mimicry?

Accepted Answer

A)  In Batesian mimicry the model must behave differently than the mimic;in Müllerian mimicry they behave the same.
B)  In Batesian mimicry the model must be more dangerous than the mimic;in Müllerian mimicry they are both dangerous.
C)  Batesian mimicry does not differ from Müllerian mimicry.Two different scientists discovered these two types at the same time,and they disagreed on what to call it.
D)  Batesian mimicry differs from Müllerian mimicry in that they occur on different continents-Batesian on the North American and Müllerian on the European.
E)  Batesian mimicry involves invertebrates;Müllerian mimicry involves vertebrates.F) A) and C)
G) A) and B)

Question 20

Which would not be an expected long-term change during primary succession on glacial moraines?

Accepted Answer

A)  increase in species richness
B)  increase in soil depth
C)  increase in pH
D)  increase in soil nitrogen
E)  alder crowded out by spruceF) A) and E)
G) C) and D)

Exam 57: Community of Ecology

A relationship in which both members benefit is called

Correct AnswerverifiedShow Answer

All organisms living together in a place are called a ___________.

Correct AnswerverifiedShow Answer

The actual niche the organism is able to occupy in the presence of competitors is called its

Correct AnswerverifiedB

The holistic concept of communities,as put forth by Clements,says that

Correct AnswerverifiedShow Answer

Resource partitioning can often be seen in similar species that occupy the same geographic area.These species avoid competition by living in different portions of the habitat or by utilizing different food or other resources and are called ____________ species.

Correct AnswerverifiedA

A _________ relationship is one in which two or more kinds of organisms live together in often elaborate and more or less permanent association.

Correct AnswerverifiedShow Answer

Insects that feed on milkweed plants are generally brightly colored.Such coloration is called

Correct AnswerverifiedShow Answer

The attempt of two organisms trying to utilize the same resource is called ___________.

Correct AnswerverifiedShow Answer

Coevolution is involved in all of the following except

Correct AnswerverifiedE

Choose the letter of the best match from the following: -Is the process by which different kinds of organisms adjust to one another by genetic change over long periods of time.

Correct AnswerverifiedShow Answer

Which of the following statements about the intermediate disturbance hypothesis is false?

Correct AnswerverifiedShow Answer

Communities evolve to have greater biomass and species richness in a process called

Correct AnswerverifiedShow Answer

The symbiotic relationship between cattle egrets and cape buffalo is an example of

Correct AnswerverifiedShow Answer

Two or more unrelated but protected species resemble one another,having bright colors,thus achieving a kind of group defense.This phenomenon of similar coloration is called

Correct AnswerverifiedShow Answer

If a certain insect uses a specific plant secondary substance as a signal to feed,instead of a warning to stay away,this is an example of

Correct AnswerverifiedShow Answer

Which of the following statements about predation is false?

Correct AnswerverifiedShow Answer

A relationship,which occurs when one member of the relationship is neither helped nor harmed and the other member derives some benefit,is called

Correct AnswerverifiedShow Answer

Gause said that if two species attempt to occupy the same niche,with limited resources,one of them will become

Correct AnswerverifiedShow Answer

Which of the following statements accurately reflects the differences between Batesian mimicry and Müllerian mimicry?

Correct AnswerverifiedShow Answer

Which would not be an expected long-term change during primary succession on glacial moraines?

Correct AnswerverifiedShow Answer

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