Question 1

Resource partitioning can be accomplished through all of the following except:

Accepted Answer

A)  selection of different varieties of prey. 
B)  changing the time of day during which a particular species is active. 
C)  changing the season during which a given species is present in a given habitat. 
D)  increasing niche overlap. 
E)  selection of different nesting sites. 
A)  selection of different varieties of prey. 
B)  changing the time of day during which a particular species is active. 
C)  changing the season during which a given species is present in a given habitat. 
D)  increasing niche overlap. 
E)  selection of different nesting sites.

Question 2

The relationship between silverfish and army ants is an example of:

Accepted Answer

A)  parasitism. 
B)  mutualism. 
C)  commensalism. 
D)  competitive exclusion. 
E)  predation. 
A)  parasitism. 
B)  mutualism. 
C)  commensalism. 
D)  competitive exclusion. 
E)  predation.

Question 3

Humans exhibit:

Accepted Answer

A)  Type I survivorship 
B)  Type II survivorship 
C)  Type III survivorship 
D)  Type I survivorship in early life and type II in mid-life. 
E)  Type IV survivorship 
A)  Type I survivorship 
B)  Type II survivorship 
C)  Type III survivorship 
D)  Type I survivorship in early life and type II in mid-life. 
E)  Type IV survivorship

Question 4

Keystone species:

Accepted Answer

A)  are only found in aquatic habitats. 
B)  are always found at the top of the food chain. 
C)  are usually not the most abundant species in the ecosystem. 
D)  are vital to the soil balance of an entire ecosystem. 
E)  are typically symbiotic. 
A)  are only found in aquatic habitats. 
B)  are always found at the top of the food chain. 
C)  are usually not the most abundant species in the ecosystem. 
D)  are vital to the soil balance of an entire ecosystem. 
E)  are typically symbiotic.

Question 5

Secondary succession:

Accepted Answer

A)  leads to a stable, persistent community. 
B)  reaches completion in about 15 years. 
C)  occurs in areas lacking vegetation where soil is present. 
D)  typically begins with lichens. 
E)  would occur on a sand dune. 
A)  leads to a stable, persistent community. 
B)  reaches completion in about 15 years. 
C)  occurs in areas lacking vegetation where soil is present. 
D)  typically begins with lichens. 
E)  would occur on a sand dune.

Question 6

Which of the following is an area where primary succession is likely to occur?

Accepted Answer

A)  a sand dune along a lakeshore 
B)  an area that has been clear-cut 
C)  an area that was recently burned 
D)  an abandoned field 
E)  an area cleared by a tornado 
A)  a sand dune along a lakeshore 
B)  an area that has been clear-cut 
C)  an area that was recently burned 
D)  an abandoned field 
E)  an area cleared by a tornado

Question 7

Which of the following feature is typical of K-selected species?

Accepted Answer

A)  early maturity 
B)  small body size 
C)  do not produce a large number of offspring 
D)  short life span 
E)  no parental care invested in the offspring 
A)  early maturity 
B)  small body size 
C)  do not produce a large number of offspring 
D)  short life span 
E)  no parental care invested in the offspring

Question 8

What are the three kinds of symbiosis?

Accepted Answer

A)  warning colors, mutualism, and cannibalism 
B)  mutualism, parasitism, and commensalism 
C)  competition, predation, and coevolution 
D)  epiphytes, prokaryotes, and eukaryotes 
E)  none of these choices is correct 
A)  warning colors, mutualism, and cannibalism 
B)  mutualism, parasitism, and commensalism 
C)  competition, predation, and coevolution 
D)  epiphytes, prokaryotes, and eukaryotes 
E)  none of these choices is correct

Question 9

Density-independent factors that regulate population size include all of the following EXCEPT:

Accepted Answer

A)  drought 
B)  severe storms 
C)  supply of food 
D)  fire in a grassland biome 
E)  extreme cold, or moderate cold at an especially critical time of year 
A)  drought 
B)  severe storms 
C)  supply of food 
D)  fire in a grassland biome 
E)  extreme cold, or moderate cold at an especially critical time of year

Question 10

Which of the following represents the sequence of primary succession on a sand dune?

Accepted Answer

A)  lichens → mosses → grasses → shrubs → trees 
B)  crabgrass → weeds → oak trees → pine trees 
C)  crabgrass → horseweed → weeds → pine trees → hardwood trees 
D)  grasses → shrubs → poplars → pine trees → oak trees 
E)  grasses → shrubs → pine trees → poplars → hardwood trees 
A)  lichens → mosses → grasses → shrubs → trees 
B)  crabgrass → weeds → oak trees → pine trees 
C)  crabgrass → horseweed → weeds → pine trees → hardwood trees 
D)  grasses → shrubs → poplars → pine trees → oak trees 
E)  grasses → shrubs → pine trees → poplars → hardwood trees

Question 11

The movement of individuals out of a population is:

Accepted Answer

A)  natural increase. 
B)  emigration. 
C)  immigration. 
D)  dispersal. 
E)  carrying capacity. 
A)  natural increase. 
B)  emigration. 
C)  immigration. 
D)  dispersal. 
E)  carrying capacity.

Question 12

Which of these is not an example of a density-dependent factor affecting population growth?

Accepted Answer

A)  competition 
B)  disease 
C)  climate 
D)  accumulation of body wastes 
E)  None of these choices, all are examples of density-dependent factors 
A)  competition 
B)  disease 
C)  climate 
D)  accumulation of body wastes 
E)  None of these choices, all are examples of density-dependent factors

Resource partitioning can be accomplished through all of the following except:

The relationship between silverfish and army ants is an example of:

Humans exhibit:

Keystone species:

Secondary succession:

Which of the following is an area where primary succession is likely to occur?

Which of the following feature is typical of K-selected species?

What are the three kinds of symbiosis?

Density-independent factors that regulate population size include all of the following EXCEPT:

Which of the following represents the sequence of primary succession on a sand dune?

The movement of individuals out of a population is:

Which of these is not an example of a density-dependent factor affecting population growth?

Introducing Environmental Science and Sustainability

Environmental Laws Economic and Ethics

Ecosystems and Energy

Ecosystems and the Physical Environment

Major Ecosystems of the World

Human Health and Environmental Toxicology

The Human Population

The Urban World

Energy Consumption

Fossil Fuels

Renewable Energy and Nuclear Power

Water: a Limited Resource

Soil Resources

Mineral Resources

Biological Resources

Land Resources

Food Resources

Air Pollution

Global Climate Change

Water Pollution

Pest Management

Solid and Hazardous Waste

Tomorrows Word

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Exam 5: Ecosystems and Living Organisms

Resource partitioning can be accomplished through all of the following except:

The relationship between silverfish and army ants is an example of:

Humans exhibit:

Keystone species:

Secondary succession:

Which of the following is an area where primary succession is likely to occur?

Which of the following feature is typical of K-selected species?

What are the three kinds of symbiosis?

Density-independent factors that regulate population size include all of the following EXCEPT:

Which of the following represents the sequence of primary succession on a sand dune?

The movement of individuals out of a population is:

Which of these is not an example of a density-dependent factor affecting population growth?

Introducing Environmental Science and Sustainability

Environmental Laws Economic and Ethics

Ecosystems and Energy

Ecosystems and the Physical Environment

Major Ecosystems of the World

Human Health and Environmental Toxicology

The Human Population

The Urban World

Energy Consumption

Fossil Fuels

Renewable Energy and Nuclear Power

Water: a Limited Resource

Soil Resources

Mineral Resources

Biological Resources

Land Resources

Food Resources

Air Pollution

Global Climate Change

Water Pollution

Pest Management

Solid and Hazardous Waste

Tomorrows Word

Filters