Question 1

In ____________________, species interact in order to gain access to limited resources such as food or space.

Accepted Answer

interspecific competition

Question 2

Species that serve as an early warning of damage to a community are called

Accepted Answer

A) indicator species. 
B) native species. 
C) keystone species. 
D) specialist species. 
E) nonnative species. 
A) indicator species. 
B) native species. 
C) keystone species. 
D) specialist species. 
E) nonnative species. A

Question 3

A(n) ____________________ is a species whose roles have a large effect on the types and abundance of other species in an ecosystem.

Accepted Answer

keystone species

Question 4

____________________ is the combination of all factors that limit the growth of a population.

Accepted Answer

Environmen

Question 5

Carrying capacity is determined by

Accepted Answer

A) ecological succession. 
B) biotic potential and environmental resistance. 
C) unlimited resources. 
D) the ratio of male to female offspring. 
E) growth curves. 
A) ecological succession. 
B) biotic potential and environmental resistance. 
C) unlimited resources. 
D) the ratio of male to female offspring. 
E) growth curves.

Question 6

The size of a population is affected by

Accepted Answer

A) the number of indicator species in an ecosystem. 
B) the number of niches available in an ecosystem. 
C) whether the population is native or nonnative to an ecosystem. 
D) the absence of indicator species in an ecosystem. 
E) birth and death rates of the population in an ecosystem. 
A) the number of indicator species in an ecosystem. 
B) the number of niches available in an ecosystem. 
C) whether the population is native or nonnative to an ecosystem. 
D) the absence of indicator species in an ecosystem. 
E) birth and death rates of the population in an ecosystem.

Question 7

Which statement about generalists and specialists is true?

Accepted Answer

A) When environmental conditions are changing rapidly, a generalist is usually better off than a specialist. 
B) A specialist typically has a broader niche than a generalist. 
C) When environmental conditions are changing rapidly, a specialist is usually better off than a generalist. 
D) A generalist typically has a more narrow niche than a specialist. 
E) The habitat of generalists or specialists represent their niche. 
A) When environmental conditions are changing rapidly, a generalist is usually better off than a specialist. 
B) A specialist typically has a broader niche than a generalist. 
C) When environmental conditions are changing rapidly, a specialist is usually better off than a generalist. 
D) A generalist typically has a more narrow niche than a specialist. 
E) The habitat of generalists or specialists represent their niche.

Question 8

The drop in China's total fertility rate between 1972 and 2012 has caused the average age of that country's population to decline.

Accepted Answer

A) True 
 B)False

Question 9

Earth's carrying capacity for the human species has

Accepted Answer

A) remained largely unchanged over time. 
B) created large amounts of energy. 
C) increased as a result of technological, social and cultural changes. 
D) decreased as a result of technological, social and cultural changes. 
E) follows a consistent upward growth trend regardless of population crashes 
A) remained largely unchanged over time. 
B) created large amounts of energy. 
C) increased as a result of technological, social and cultural changes. 
D) decreased as a result of technological, social and cultural changes. 
E) follows a consistent upward growth trend regardless of population crashes

Question 10

Ecological succession proceeds in an orderly fashion from primary to secondary.

Accepted Answer

A) True 
 B)False

Question 11

____________ provides educational and clinical services to help couples choose how many children to have and when to have them.

Accepted Answer

The answer of ____________ provides educational and clinical services to...

Question 12

In which location is primary succession most likely to occur?

Accepted Answer

A) rock exposed by a retreating glacier 
B) an abandoned farm 
C) a forest that had been clear-cut 
D) an existing pond 
E) forest that has been burned 
A) rock exposed by a retreating glacier 
B) an abandoned farm 
C) a forest that had been clear-cut 
D) an existing pond 
E) forest that has been burned

Question 13

Ecological succession

Accepted Answer

A) is initiated by indicator species. 
B) never results in mutualistic species interactions. 
C) generally results in very simple ecosystems. 
D) rarely occurs as an orderly progression through clearly established stages. 
E) always begins when vegetation grows on rock exposed by a retreating glacier. 
A) is initiated by indicator species. 
B) never results in mutualistic species interactions. 
C) generally results in very simple ecosystems. 
D) rarely occurs as an orderly progression through clearly established stages. 
E) always begins when vegetation grows on rock exposed by a retreating glacier.

Question 14

A species whose role in an ecosystem is vital to the abundance of other species in an ecosystem is called a(n)

Accepted Answer

A) indicator species. 
B) native species. 
C) keystone species. 
D) specialist species. 
E) nonnative species. 
A) indicator species. 
B) native species. 
C) keystone species. 
D) specialist species. 
E) nonnative species.

Question 15

Labeling
  
-On the exponential growth of reindeer figure, choose the portion of the graph that represents the number of reindeer that can be sustained indefinitely in a given area.

Accepted Answer

The answer of Labeling
  
-On the exponential growth of...

Question 16

Which of the following exemplifies an opportunistic reproductive pattern?

Accepted Answer

A) human 
B) housefly 
C) rhinoceros 
D) saguaro cactus 
E) cow 
A) human 
B) housefly 
C) rhinoceros 
D) saguaro cactus 
E) cow

Question 17

As economic development increases, birth and death rates decrease.

Accepted Answer

A) True 
 B)False

Question 18

The gradual establishment of communities in areas where soil did not previously exist is known as ____________________.

Accepted Answer

primary ec

Question 19

The ____________________ rate of increase is the rate a population would grow if it had unlimited resources.

Accepted Answer

The answer of The ____________________ rate of increase is the...

Question 20

Carrying capacity refers to the

Accepted Answer

A) reproductive rate of a population. 
B) interaction of birth rate and mortality. 
C) maximum population size that the environment will support. 
D) proportion of males to females. 
E) intrinsic rate of increase. 
A) reproductive rate of a population. 
B) interaction of birth rate and mortality. 
C) maximum population size that the environment will support. 
D) proportion of males to females. 
E) intrinsic rate of increase.

In ____________________, species interact in order to gain access to limited resources such as food or space.

Species that serve as an early warning of damage to a community are called

A(n) ____________________ is a species whose roles have a large effect on the types and abundance of other species in an ecosystem.

____________________ is the combination of all factors that limit the growth of a population.

Carrying capacity is determined by

The size of a population is affected by

Which statement about generalists and specialists is true?

The drop in China's total fertility rate between 1972 and 2012 has caused the average age of that country's population to decline.

Earth's carrying capacity for the human species has

Ecological succession proceeds in an orderly fashion from primary to secondary.

____________ provides educational and clinical services to help couples choose how many children to have and when to have them.

In which location is primary succession most likely to occur?

Ecological succession

A species whose role in an ecosystem is vital to the abundance of other species in an ecosystem is called a(n)

Labeling -On the exponential growth of reindeer figure, choose the portion of the graph that represents the number of reindeer that can be sustained indefinitely in a given area.

Which of the following exemplifies an opportunistic reproductive pattern?

As economic development increases, birth and death rates decrease.

The gradual establishment of communities in areas where soil did not previously exist is known as ____________________.

The ____________________ rate of increase is the rate a population would grow if it had unlimited resources.

Carrying capacity refers to the

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters

Exam 4: Community Ecology, Population Ecology, and the Human Population

In ____________________, species interact in order to gain access to limited resources such as food or space.

Species that serve as an early warning of damage to a community are called

A(n) ____________________ is a species whose roles have a large effect on the types and abundance of other species in an ecosystem.

____________________ is the combination of all factors that limit the growth of a population.

Carrying capacity is determined by

The size of a population is affected by

Which statement about generalists and specialists is true?

The drop in China's total fertility rate between 1972 and 2012 has caused the average age of that country's population to decline.

Earth's carrying capacity for the human species has

Ecological succession proceeds in an orderly fashion from primary to secondary.

____________ provides educational and clinical services to help couples choose how many children to have and when to have them.

In which location is primary succession most likely to occur?

Ecological succession

A species whose role in an ecosystem is vital to the abundance of other species in an ecosystem is called a(n)

Labeling -On the exponential growth of reindeer figure, choose the portion of the graph that represents the number of reindeer that can be sustained indefinitely in a given area.

Which of the following exemplifies an opportunistic reproductive pattern?

As economic development increases, birth and death rates decrease.

The gradual establishment of communities in areas where soil did not previously exist is known as ____________________.

The ____________________ rate of increase is the rate a population would grow if it had unlimited resources.

Carrying capacity refers to the

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters