Question 1

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

Question 2

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

Accepted Answer

A) True 
 B)False  False

Question 3

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. 
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. A

Question 4

Complexity in an ecological community has to do with the number of

Accepted Answer

A)  species in the population. 
B)  species at each trophic level. 
C)  genetic variations within a species. 
D)  primary producers available. 
E)  primary producers relative to the number of consumers. 
A)  species in the population. 
B)  species at each trophic level. 
C)  genetic variations within a species. 
D)  primary producers available. 
E)  primary producers relative to the number of consumers.

Question 5

What is the difference in the adaptation of a sled dog's (such as a Husky) thick coat of hair to help it withstand the cold temperatures of Arctic winters and a dog that adapts to cold temperatures in the fall by growing a thickened coat? The adaptation of the sled dog best describes adaptation at the ____________ level while the dog exposed to seasonal colder temperatures has _____________.

Accepted Answer

A)  regional; natural selection at the individual level 
B)  individual; physiological modifications at the population level 
C)  population; physiological modifications at the individual level 
D)  species; natural selection at the population level 
E)  ecosystem; physiological modifications at the individual level 
A)  regional; natural selection at the individual level 
B)  individual; physiological modifications at the population level 
C)  population; physiological modifications at the individual level 
D)  species; natural selection at the population level 
E)  ecosystem; physiological modifications at the individual level

Question 6

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 
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

Question 7

_________ is the development of a new species.

Accepted Answer

A)  adaption 
B)  speciation 
C)  ecotone 
D)  evolution 
E)  mutation 
A)  adaption 
B)  speciation 
C)  ecotone 
D)  evolution 
E)  mutation

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 
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

Individual species will continually evolve as a result of:

Accepted Answer

A)  Coevolution. 
B)  Convergent evolution. 
C)  Punctuated equilibrium. 
D)  Natural selection. 
E)  Gradualism. 
A)  Coevolution. 
B)  Convergent evolution. 
C)  Punctuated equilibrium. 
D)  Natural selection. 
E)  Gradualism.

Question 10

_________ habitat specialist found exclusively in one specific type of habitat.

Accepted Answer

A)  keystone species 
B)  endemic species 
C)  pioneer species 
D)  niche species 
E)  mutualistic species 
A)  keystone species 
B)  endemic species 
C)  pioneer species 
D)  niche species 
E)  mutualistic species

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. 
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

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. 
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 13

Which of the following does not contribute to limits on population growth?

Accepted Answer

A)  snakes feeding on mice in a cornfield 
B)  bears having two cubs 
C)  the amount of light for photosynthesis 
D)  a disease-causing organism entering a population 
E)  an increase in the total rainfall in a normally dry environment 
A)  snakes feeding on mice in a cornfield 
B)  bears having two cubs 
C)  the amount of light for photosynthesis 
D)  a disease-causing organism entering a population 
E)  an increase in the total rainfall in a normally dry environment

Question 14

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. 
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 15

An especially effective strategy for reducing intraspecific competition is

Accepted Answer

A)  different ecological niches for juveniles and adults. 
B)  rapid reproduction. 
C)  eating prey before they are "ready" (ripe) for other species. 
D)  resource partitioning. 
E)  None of these since the examples given are for reducing interspecific competition. 
A)  different ecological niches for juveniles and adults. 
B)  rapid reproduction. 
C)  eating prey before they are "ready" (ripe) for other species. 
D)  resource partitioning. 
E)  None of these since the examples given are for reducing interspecific competition.

Question 16

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

Question 17

What would you label the range of temperature from 95°F to 96°F for this particular species?

Accepted Answer

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

Question 18

A dieback, or population crash, often occurs after a species ________ its environmental carrying capacity.

Accepted Answer

A)  meets 
B)  overshoots 
C)  undershoots 
D)  oscillates around 
E)  decreases 
A)  meets 
B)  overshoots 
C)  undershoots 
D)  oscillates around 
E)  decreases

Question 19

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. 
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 20

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

What would you label the range of temperature from 90°F to 94°F for this particular species?

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

A climax community is one that

Complexity in an ecological community has to do with the number of

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

_________ is the development of a new species.

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.

Individual species will continually evolve as a result of:

_________ habitat specialist found exclusively in one specific type of habitat.

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

Symbiosis means

Which of the following does not contribute to limits on population growth?

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

An especially effective strategy for reducing intraspecific competition is

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

What would you label the range of temperature from 95°F to 96°F for this particular species?

A dieback, or population crash, often occurs after a species ________ its environmental carrying capacity.

Evolution occurs as a result of

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

Understanding Our Environment

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Exam 3: Evolution, Species Interactions, and Biological Communities

What would you label the range of temperature from 90°F to 94°F for this particular species?

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

A climax community is one that

Complexity in an ecological community has to do with the number of

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

_________ is the development of a new species.

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.

Individual species will continually evolve as a result of:

_________ habitat specialist found exclusively in one specific type of habitat.

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

Symbiosis means

Which of the following does not contribute to limits on population growth?

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

An especially effective strategy for reducing intraspecific competition is

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

What would you label the range of temperature from 95°F to 96°F for this particular species?

A dieback, or population crash, often occurs after a species ________ its environmental carrying capacity.

Evolution occurs as a result of

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

Understanding Our Environment

Environmental Systems: Matter and Energy of Life

Human Populations

Biomes and Biodiversity

Environmental Conservation: Forests, Grasslands, Parks, and Nature Preserves

Food and Agriculture

Environmental Health and Toxicology

Climate

Air Pollution

Water: Resources and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

Filters

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

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.