Question 1

Which of the following is not 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.
D)   The life cycle of dragonflies (the larva live in the water) .
E)   All of these are strategies for successful interspecific competition.

Question 2

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 3

An organism's biotic potential is the maximum number of offspring

Accepted Answer

A)   that it can produce.
B)   that survive to adulthood.
C)   its habitat can support.
D)   it produces at one time.
E)   it actually produces over its lifetime. A

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Natural selection will ultimately make a species

Accepted Answer

A)   more intelligent.
B)   physically bigger.
C)   better adapted to its environment.
D)   more aggressive.
E)   less vulnerable to its predators.

Question 6

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 7

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 8

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 9

A biological community's productivity is a measure of

Accepted Answer

A)   its number of species.
B)   the number of individuals in the community.
C)   available solar energy that can be converted to biomass.
D)   the amount of biomass produced in the community.
E)   number of species and biomass.

Question 10

___________ 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 11

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 12

Evolution occurs as a result of

Accepted Answer

A)   the discovery of a desirable characteristic in a population.
B)   an individual's physiological modification.
C)   environmental change that forces modification in a resident species.
D)   better survival or reproduction rates by individuals with a particular characteristic.
E)   a population's physiological modification.

Question 13

Which of the following are pioneer species?

Accepted Answer

A)   wood warblers
B)   dandelions
C)   starlings
D)   lichens
E)   humans

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

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 C

Question 16

The most common reason that introduced species cause trouble is because they are larger than native species.

Accepted Answer

A) True 
 B)False

Question 17

In the partnership of a lichen, the fungus provides _________ and the relationship is best described as _______.

Accepted Answer

A)   most of the photosynthesis; symbiosis
B)   poisons that deter predation; commensalism
C)   structure and moisture-holding ability; mutualism
D)   very little to the algal partner; parasitism
E)   some of the photosynthesis; commensalism C

Question 18

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)   the same from year to year.
E)   unrelated to diversity.

Question 19

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 20

A community with hundreds of different types of primary producers, a few herbivores, and only one carnivore, has

Accepted Answer

A)   little complexity.
B)   little diversity.
C)   a great deal of complexity.
D)   low productivity.
E)   a great deal of productivity.

Exam 3: Evolution, Species Interactions, and Biological Communities

Which of the following is not a common strategy for successful intraspecific competition?

Correct Answer
verified

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

Correct Answer
verified

An organism's biotic potential is the maximum number of offspring

Correct Answer
verified
A

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

Correct Answer
verified

Natural selection will ultimately make a species

Correct Answer
verified

As ecological development proceeds, a biological community

Correct Answer
verified

Symbiosis means

Correct Answer
verified

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

A biological community's productivity is a measure of

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Evolution occurs as a result of

Correct Answer
verified

Which of the following are pioneer species?

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified
C

The most common reason that introduced species cause trouble is because they are larger than native species.

Correct Answer
verified

In the partnership of a lichen, the fungus provides ___ and the relationship is best described as _.

Correct Answer
verified
C

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

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

Correct Answer
verified

A community with hundreds of different types of primary producers, a few herbivores, and only one carnivore, has

Correct Answer
verified

Exam 3: Evolution, Species Interactions, and Biological Communities

Which of the following is not a common strategy for successful intraspecific competition?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

An organism's biotic potential is the maximum number of offspring

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

Natural selection will ultimately make a species

Correct AnswerverifiedShow Answer

As ecological development proceeds, a biological community

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 AnswerverifiedShow Answer

A biological community's productivity is a measure of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Evolution occurs as a result of

Correct AnswerverifiedShow Answer

Which of the following are pioneer species?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

The most common reason that introduced species cause trouble is because they are larger than native species.

Correct AnswerverifiedShow Answer

In the partnership of a lichen, the fungus provides _________ and the relationship is best described as _______.

Correct AnswerverifiedC

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

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

Correct AnswerverifiedShow Answer

A community with hundreds of different types of primary producers, a few herbivores, and only one carnivore, has

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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A

Correct Answer
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Correct Answer
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Correct Answer
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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
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Correct Answer
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Correct Answer
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Correct Answer
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Primary succession occurs when a community develops ____ while secondary succession occurs when one .

Correct Answer
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C

Correct Answer
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In the partnership of a lichen, the fungus provides ___ and the relationship is best described as _.

Correct Answer
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C

Correct Answer
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Correct Answer
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Correct Answer
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