Question 1

Sharks are very vulnerable because they produce few young and take a long time to reach sexual maturity.

Accepted Answer

A) True 
 B)False

Question 2

Compared to forests, which set of characteristics do grasslands have?

Accepted Answer

A)  more diversity and more resilience
B)  more diversity and more inertia
C)  less diversity and more inertia
D)  less diversity and more resilience

Question 3

Which term refers to the ability of a population to maintain a certain size?

Accepted Answer

A)  constancy
B)  inertia
C)  resilience
D)  stability

Question 4

Which term refers to a species whose role in an ecosystem is much more important than its abundance would suggest?

Accepted Answer

A)  non-native species
B)  specialist species
C)  native species
D)  keystone species

Question 5

Which of the following would exhibit primary succession?

Accepted Answer

A)  an area recently flooded to create a reservoir
B)  a forest that had been clear-cut
C)  an abandoned farm
D)  a rock exposed by a retreating glacier

Question 6

Which statement describes resource partitioning?

Accepted Answer

A)  Resource partitioning occurs when one species preys on another species.
B)  Resource partitioning occurs when species share resources at the same time.
C)  Resource partitioning occurs when one species is a parasite of the other.
D)  Resource partitioning occurs when a species evolves adaptations that allow it to reduce or avoid competition.

Question 7

Which characteristic do immature ecosystems have?

Accepted Answer

A)  simple food webs
B)  high species diversity
C)  many specialized niches
D)  numerous decomposers

Question 8

Which process is likely guiding primary succession in an ecosystem where, over a period of years, bare rock was colonized by lichens that gave way to moss that in turn gave way to ferns?

Accepted Answer

A)  tolerance
B)  facilitation
C)  inhibition
D)  interspecific competition

Question 9

-According to the above diagram, when different species of warblers inhabit the same area, is food competition reduced?

Accepted Answer

The answer of 
-According to the above diagram, when different...

Question 10

-Which letter in the diagram corresponds to the stage in which perennial weeds and grasses are plentiful?

Accepted Answer

The answer of 
-Which letter in the diagram corresponds to...

Question 11

Latitude affects species diversity in communities.

Accepted Answer

A) True 
 B)False

Question 12

___________________________________ is competitive interaction between species for food and/or space.

Accepted Answer

Interspeci...

Question 13

Which pair of terms applies to changes such as drought and earthquakes?

Accepted Answer

A)  natural and catastrophic
B)  human caused and catastrophic
C)  natural and gradual
D)  human caused and gradual

Question 14

How long does it take for natural processes to produce fertile soil?

Accepted Answer

A)  weeks to months
B)  months to years
C)  decades to a few centuries
D)  several centuries to several thousands of years

Question 15

The relationship between a lion and a zebra is said to be a(n) ___________________________________ relationship.

Accepted Answer

The answer of The relationship between a lion and a...

Question 16

A new kitten is added to a home with an established older cat.The older cat hisses and swats at the younger kitten in the kitchen where they are fed.Which term refers to the behaviour of the older cat?

Accepted Answer

A)  exploitation competition
B)  predation
C)  mutualism
D)  interference competition

Question 17

Which organism is referred to as an endoparasite?

Accepted Answer

A)  a mosquito
B)  a flea
C)  mistletoe
D)  a tapeworm

Question 18

Which term is defined as a relationship in which one species benefits while the other is neither helped nor harmed to any significant degree?

Accepted Answer

A)  competition
B)  commensalism
C)  parasitism
D)  predation

Question 19

Which human-caused change is appropriately classified as a catastrophic change rather than a gradual change?

Accepted Answer

A)  compaction
B)  salinization
C)  plowing
D)  water logging

Question 20

Define Batesian mimicry.

Accepted Answer

an edible species th...

Exam 8: Community Ecology

Which characteristic do immature ecosystems have?

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Sharks are very vulnerable because they produce few young and take a long time to reach sexual maturity.

Correct AnswerverifiedShow Answer

Which of the following would exhibit primary succession?

Correct AnswerverifiedShow Answer

Compared to forests, which set of characteristics do grasslands have?

Correct AnswerverifiedShow Answer

Which process is likely guiding primary succession in an ecosystem where, over a period of years, bare rock was colonized by lichens that gave way to moss that in turn gave way to ferns?

Correct AnswerverifiedShow Answer

Which pair of terms applies to changes such as drought and earthquakes?

Correct AnswerverifiedShow Answer

How long does it take for natural processes to produce fertile soil?

Correct AnswerverifiedShow Answer

A new kitten is added to a home with an established older cat.The older cat hisses and swats at the younger kitten in the kitchen where they are fed.Which term refers to the behaviour of the older cat?

Correct AnswerverifiedShow Answer

Latitude affects species diversity in communities.

Correct AnswerverifiedShow Answer

___________________________________ is competitive interaction between species for food and/or space.

Correct AnswerverifiedInterspeci...View AnswerShow Answer

Which organism is referred to as an endoparasite?

Correct AnswerverifiedShow Answer

Which term refers to the ability of a population to maintain a certain size?

Correct AnswerverifiedShow Answer

Which statement describes resource partitioning?

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Define Batesian mimicry.

Correct Answerverifiedan edible species th...View AnswerShow Answer

-According to the above diagram, when different species of warblers inhabit the same area, is food competition reduced?

Correct AnswerverifiedShow Answer

-Which letter in the diagram corresponds to the stage in which perennial weeds and grasses are plentiful?

Correct AnswerverifiedShow Answer

Which human-caused change is appropriately classified as a catastrophic change rather than a gradual change?

Correct AnswerverifiedShow Answer

Which term refers to a species whose role in an ecosystem is much more important than its abundance would suggest?

Correct AnswerverifiedShow Answer

Which term is defined as a relationship in which one species benefits while the other is neither helped nor harmed to any significant degree?

Correct AnswerverifiedShow Answer

The relationship between a lion and a zebra is said to be a(n) ___________________________________ relationship.

Correct AnswerverifiedShow Answer

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Interspeci...
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an edible species th...
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