Question 1

In a biological community where diversity is great,such as a tropical rainforest,the abundance of any one species is likely to be

Accepted Answer

A)  great.
B)  small.
C)  widely variable from year to year.
D)  unrelated to diversity.

Question 2

A titmouse and a chickadee are living in the same territory and are using some of the same resources.The best way to classify this interaction is as

Accepted Answer

A)  mutualism.
B)  intraspecific competition.
C)  interspecific competition.
D)  symbiosis.
E)  commensalism.

Question 3

One dandelion can produce over a hundred seeds to increase the probability that a seed will land in a place appropriate for growth.Not all of the seeds will eventually become dandelion plants that produce seeds.This is an example of which type of survivorship curve?

Accepted Answer

A)  Type III
B)  Type I
C)  Type II
D)  Type r
E)  Type K

Question 4

Two unpalatable or dangerous species which have warning patterns or colors and appear similar are an example of ________.

Accepted Answer

A)  symbiosis
B)  competitive exclusion
C)  mutualism
D)  Batesian mimicry
E)  Mullerian mimicry

Question 5

Individual species will continually evolve as a result of ________,with certain genetic combinations becoming more predominant.

Accepted Answer

A)  coevolution
B)  convergent evolution
C)  punctuated equilibrium
D)  natural selection
E)  gradualism

Question 6

There is/are usually ________ tolerance limit(s) responsible for limiting the number and location of a species.However,some organisms have ________ that limit(s) their distribution.

Accepted Answer

A)  one;a specific critical factor
B)  one;other environmental conditions
C)  one specific;many factors
D)  many;other environmental conditions
E)  many;a specific critical factor

Question 7

________ is the place or set of environmental conditions in which a particular organism lives.

Accepted Answer

A)  Adaptation
B)  Habitat
C)  Tolerance range
D)  Resource partition
E)  Niche

Question 8

Which of the following is not generally true of k-selected species compared to r-selected species?

Accepted Answer

A)  they have shorter generation times
B)  they reach sexual maturity later
C)  they have fewer young
D)  they have longer life spans
E)  they have slower population growth rates

Question 9

What term describes species which arise in non-overlapping geographic regions?

Accepted Answer

A)  intraspecific competition
B)  interspecific competition
C)  sympatric speciation
D)  allopatric speciation
E)  invasive species

Question 10

In general species diversity is higher near the poles than near the equator.

Accepted Answer

A) True 
 B)False

Question 11

Regular lawn mowing selects for dandelions with short heads rather than dandelions with tall heads because

Accepted Answer

A)  tall flowers spread their seeds farther.
B)  tall flowers cannot reproduce.
C)  short flowers can reproduce.
D)  short flowers spread their seeds farther.
E)  short flowers have less competition when the lawn is mowed often.

Question 12

A climax community is one that

Accepted Answer

A)  is relatively stable and long lasting.
B)  lasts forever.
C)  contains oaks or white spruce.
D)  is impervious to disruption.
E)  is adapted to periodic disruption.

Question 13

In which situation would primary succession occur?

Accepted Answer

A)  A volcanic eruption covers an area with a thick layer of lava that cools to hardened rock.
B)  A forest fire burns all of the trees and shrubs in a large area of forest.
C)  An area of farmland is left alone and no longer farmed.
D)  A forest is clear cut,removing all of the vegetation.
E)  A grassland is burned leaving nothing but ash on the soil.

Question 14

Use the following example for the question.A species of fish can withstand a narrow range of temperature.Above 100°F there are no individuals present.In the range from 97°F-100°F and 90°F-94°F there are a few individuals present.Below 90°F there are no individuals present.Between 95°F-96°F there are many individuals.
-What would you label the range of temperature from 90°F to 94°F for this particular species?

Accepted Answer

A)  zone of intolerance
B)  zone of physiological stress
C)  tolerance limit range
D)  optimal range
E)  range of tolerance

Question 15

As ecological development proceeds,a biological community

Accepted Answer

A)  gradually stagnates.
B)  becomes more diverse.
C)  goes through repeated secondary succession stages.
D)  goes through repeated primary succession stages.
E)  becomes less complex.

Question 16

Symbiosis means

Accepted Answer

A)  a relationship in which both species benefit.
B)  a parasitic relationship.
C)  commensalism.
D)  living together.
E)  a relationship in which one species benefits and the other does not benefit.

Question 17

Which of the following is a common strategy for successful intraspecific competition?

Accepted Answer

A)  eating prey before they are "ready" (ripe) for other species
B)  spreading seeds or offspring far and fast
C)  producing substances that are toxic to competitors

Question 18

Primary succession occurs when a community develops ________ while secondary succession occurs when one ________.

Accepted Answer

A)  into a climax community;species replaces another
B)  and replaces another;ecosystem becomes stable
C)  on unoccupied ground;biological community replaces another
D)  and then fails;niche changes
E)  intraspecific competition;experiences interspecific competition

Exam 3: Evolution,species Interactions,and Biological Communities

There is/are usually tolerance limit(s) responsible for limiting the number and location of a species.However,some organisms have that limit(s) their distribution.

Correct Answer
verified

Regular lawn mowing selects for dandelions with short heads rather than dandelions with tall heads because

Correct Answer
verified

Individual species will continually evolve as a result of ________,with certain genetic combinations becoming more predominant.

Correct Answer
verified

In which situation would primary succession occur?

Correct Answer
verified

Primary succession occurs when a community develops while secondary succession occurs when one .

Correct Answer
verified

One dandelion can produce over a hundred seeds to increase the probability that a seed will land in a place appropriate for growth.Not all of the seeds will eventually become dandelion plants that produce seeds.This is an example of which type of survivorship curve?

Correct Answer
verified

________ is the place or set of environmental conditions in which a particular organism lives.

Correct Answer
verified

Correct Answer
verified

A titmouse and a chickadee are living in the same territory and are using some of the same resources.The best way to classify this interaction is as

Correct Answer
verified

As ecological development proceeds,a biological community

Correct Answer
verified

Two unpalatable or dangerous species which have warning patterns or colors and appear similar are an example of ________.

Correct Answer
verified

A climax community is one that

Correct Answer
verified

Which of the following is not generally true of k-selected species compared to r-selected species?

Correct Answer
verified

In a biological community where diversity is great,such as a tropical rainforest,the abundance of any one species is likely to be

Correct Answer
verified

In general species diversity is higher near the poles than near the equator.

Correct Answer
verified

What term describes species which arise in non-overlapping geographic regions?

Correct Answer
verified

Which of the following is a common strategy for successful intraspecific competition?

Correct Answer
verified

Symbiosis means

Correct Answer
verified

Exam 3: Evolution,species Interactions,and Biological Communities

There is/are usually ________ tolerance limit(s) responsible for limiting the number and location of a species.However,some organisms have ________ that limit(s) their distribution.

Correct AnswerverifiedShow Answer

Regular lawn mowing selects for dandelions with short heads rather than dandelions with tall heads because

Correct AnswerverifiedShow Answer

Individual species will continually evolve as a result of ________,with certain genetic combinations becoming more predominant.

Correct AnswerverifiedShow Answer

In which situation would primary succession occur?

Correct AnswerverifiedShow Answer

Primary succession occurs when a community develops ________ while secondary succession occurs when one ________.

Correct AnswerverifiedShow Answer

One dandelion can produce over a hundred seeds to increase the probability that a seed will land in a place appropriate for growth.Not all of the seeds will eventually become dandelion plants that produce seeds.This is an example of which type of survivorship curve?

Correct AnswerverifiedShow Answer

________ is the place or set of environmental conditions in which a particular organism lives.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A titmouse and a chickadee are living in the same territory and are using some of the same resources.The best way to classify this interaction is as

Correct AnswerverifiedShow Answer

As ecological development proceeds,a biological community

Correct AnswerverifiedShow Answer

Two unpalatable or dangerous species which have warning patterns or colors and appear similar are an example of ________.

Correct AnswerverifiedShow Answer

A climax community is one that

Correct AnswerverifiedShow Answer

Which of the following is not generally true of k-selected species compared to r-selected species?

Correct AnswerverifiedShow Answer

In a biological community where diversity is great,such as a tropical rainforest,the abundance of any one species is likely to be

Correct AnswerverifiedShow Answer

In general species diversity is higher near the poles than near the equator.

Correct AnswerverifiedShow Answer

What term describes species which arise in non-overlapping geographic regions?

Correct AnswerverifiedShow Answer

Which of the following is a common strategy for successful intraspecific competition?

Correct AnswerverifiedShow Answer

Symbiosis means

Correct AnswerverifiedShow Answer

There is/are usually tolerance limit(s) responsible for limiting the number and location of a species.However,some organisms have that limit(s) their distribution.

Correct Answer
verified

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Primary succession occurs when a community develops while secondary succession occurs when one .

Correct Answer
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