Question 1

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 
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 2

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)  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 3

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 C

Question 4

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

Question 5

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. 
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 6

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

Question 7

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 8

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 9

Which of the following are pioneer species?

Accepted Answer

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

Question 10

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 11

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

Question 12

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. 
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 13

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

Accepted Answer

A) True 
 B)False

Question 14

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 15

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 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 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 18

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

Question 19

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. 
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 20

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

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

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

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

A biological community's productivity is a measure of

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

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

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

Which of the following are pioneer 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.

Natural selection will ultimately make a species

As ecological development proceeds, a biological community

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

Symbiosis means

Evolution occurs as a result of

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

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

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

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

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

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

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Exam 3: Evolution, Species Interactions, and Biological Communities

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

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

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

A biological community's productivity is a measure of

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

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

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

Which of the following are pioneer 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.

Natural selection will ultimately make a species

As ecological development proceeds, a biological community

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

Symbiosis means

Evolution occurs as a result of

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

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

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

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

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

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

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

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.