Question 1

Exponential growth followed by a steady decrease in population growth until the population size stabilizes is typical of ____.

Accepted Answer

A) logistic growth 
B) environmental resistance 
C) exponential growth 
D) carrying capacity 
E) biotic potential 
A) logistic growth 
B) environmental resistance 
C) exponential growth 
D) carrying capacity 
E) biotic potential

Question 2

A population exceeding its carrying capacity will suffer a(n)____________________ or ____________________, unless the excess individuals can switch to new resources or move to a new area.

Accepted Answer

dieback; c

Question 3

Parasites ____.

Accepted Answer

A) rarely kill their hosts 
B) are usually larger than their hosts 
C) must be internal to their hosts 
D) may strengthen their hosts over a long period of time 
E) are usually microscopic 
A) rarely kill their hosts 
B) are usually larger than their hosts 
C) must be internal to their hosts 
D) may strengthen their hosts over a long period of time 
E) are usually microscopic

Question 4

Kelp forests help reduce ____ by blunting the force of incoming waves and trapping some of the outgoing sand.

Accepted Answer

A) runoff 
B) shore erosion 
C) coastal pollution 
D) tidal waves 
E) tidal pools 
A) runoff 
B) shore erosion 
C) coastal pollution 
D) tidal waves 
E) tidal pools

Question 5

The relationship between bacteria that live in the digestive systems of animals, such as humans, is ____.

Accepted Answer

A) interspecific competition 
B) predation 
C) parasitism 
D) mutualism 
E) commensalism 
A) interspecific competition 
B) predation 
C) parasitism 
D) mutualism 
E) commensalism

Question 6

If multiple species find themselves competing for the same resource, the competition can be reduced by which of the following?

Accepted Answer

A) camouflage 
B) cooperation 
C) resource partitioning 
D) resource expansion 
E) mimicry 
A) camouflage 
B) cooperation 
C) resource partitioning 
D) resource expansion 
E) mimicry

Question 7

Each population in an ecosystem has a ____ to variations in its physical and chemical environment.

Accepted Answer

A) low tolerance 
B) high tolerance 
C) range of tolerance 
D) high resilience 
E) low resilience 
A) low tolerance 
B) high tolerance 
C) range of tolerance 
D) high resilience 
E) low resilience

Question 8

From the ____ point of view, parasites are harmful, but from the ____ perspective, parasites can promote diversity.

Accepted Answer

A) population's; host's 
B) host's; population's 
C) predator's; prey's 
D) prey's; predator's 
E) community's; individual's 
A) population's; host's 
B) host's; population's 
C) predator's; prey's 
D) prey's; predator's 
E) community's; individual's

Question 9

If the resilience of a damaged ecosystem is low enough, the degraded area may not be restored by secondary succession. When this happens, the damaged ecosystem has reached ____.

Accepted Answer

A) stability 
B) inertia 
C) constancy 
D) a tipping point 
E) resilience 
A) stability 
B) inertia 
C) constancy 
D) a tipping point 
E) resilience

Question 10

Using a small rodent, such as a field mouse, and a predator, such as a snake, explain how coevolution works.

Accepted Answer

The rodent responds to the environmental

Question 11

The relationship between clownfish and sea anemone is called ____.

Accepted Answer

A) interspecific competition 
B) predation 
C) parasitism 
D) mutualism 
E) commensalism 
A) interspecific competition 
B) predation 
C) parasitism 
D) mutualism 
E) commensalism

Question 12

What describes an organism that is too old to reproduce?

Accepted Answer

A) prereproductive 
B) reproductive 
C) postreproductive 
D) nonreproductive 
E) elderly 
A) prereproductive 
B) reproductive 
C) postreproductive 
D) nonreproductive 
E) elderly

Question 13

What is the most common distribution of populations?

Accepted Answer

A) random 
B) uniform 
C) clumped 
D) circles 
E) none of these 
A) random 
B) uniform 
C) clumped 
D) circles 
E) none of these

Question 14

Describe what happens when species partition resources.

Accepted Answer

Resource partitioning occurs when specie

Question 15

Most ecologists now recognize that mature, late-successional ecosystems ____.

Accepted Answer

A) are in a state of continual disturbance and change 
B) are in a stable state of equilibrium 
C) are in natural balance with their environment 
D) have followed an expected path to their stable state as a climax community 
E) have inevitably progressed through succession and no longer face competition 
A) are in a state of continual disturbance and change 
B) are in a stable state of equilibrium 
C) are in natural balance with their environment 
D) have followed an expected path to their stable state as a climax community 
E) have inevitably progressed through succession and no longer face competition

Question 16

Some species that tend to reproduce later in life and have a small number of offspring with long life spans ____.

Accepted Answer

A) have high population growth rates 
B) have high environmental resistance 
C) have low environmental resistance 
D) are unlikely to ever face extinction 
E) are vulnerable to extinction 
A) have high population growth rates 
B) have high environmental resistance 
C) have low environmental resistance 
D) are unlikely to ever face extinction 
E) are vulnerable to extinction

Question 17

The most common form of population dispersion found in nature is ____________________.

Accepted Answer

The answer of The most common form of population dispersion...

Question 18

____________________ involves the gradual establishment of biotic communities in lifeless areas where there is no soil.

Accepted Answer

The answer of ____________________ involves the gradual establishment of biotic...

Question 19

The situation in which one set of species makes an area suitable for species with different niche requirements and often, less suitable for itself, is called ____.

Accepted Answer

A) primary succession 
B) secondary succession 
C) facilitation 
D) inhibition 
E) tolerance 
A) primary succession 
B) secondary succession 
C) facilitation 
D) inhibition 
E) tolerance

Question 20

Grasslands have a high resilience and therefore can recover quickly following a fire.

Accepted Answer

A) True 
 B)False

Exponential growth followed by a steady decrease in population growth until the population size stabilizes is typical of ____.

A population exceeding its carrying capacity will suffer a(n) or , unless the excess individuals can switch to new resources or move to a new area.

Parasites ____.

Kelp forests help reduce ____ by blunting the force of incoming waves and trapping some of the outgoing sand.

The relationship between bacteria that live in the digestive systems of animals, such as humans, is ____.

If multiple species find themselves competing for the same resource, the competition can be reduced by which of the following?

Each population in an ecosystem has a ____ to variations in its physical and chemical environment.

From the point of view, parasites are harmful, but from the perspective, parasites can promote diversity.

If the resilience of a damaged ecosystem is low enough, the degraded area may not be restored by secondary succession. When this happens, the damaged ecosystem has reached ____.

Using a small rodent, such as a field mouse, and a predator, such as a snake, explain how coevolution works.

The relationship between clownfish and sea anemone is called ____.

What describes an organism that is too old to reproduce?

What is the most common distribution of populations?

Describe what happens when species partition resources.

Most ecologists now recognize that mature, late-successional ecosystems ____.

Some species that tend to reproduce later in life and have a small number of offspring with long life spans ____.

The most common form of population dispersion found in nature is ____________________.

____________________ involves the gradual establishment of biotic communities in lifeless areas where there is no soil.

The situation in which one set of species makes an area suitable for species with different niche requirements and often, less suitable for itself, is called ____.

Grasslands have a high resilience and therefore can recover quickly following a fire.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Sustaining Aquatic Biodiversity

Filters

Exam 5: Biodiversity, Species Interactions, and Population Control

Exponential growth followed by a steady decrease in population growth until the population size stabilizes is typical of ____.

A population exceeding its carrying capacity will suffer a(n)____________________ or ____________________, unless the excess individuals can switch to new resources or move to a new area.

Parasites ____.

Kelp forests help reduce ____ by blunting the force of incoming waves and trapping some of the outgoing sand.

The relationship between bacteria that live in the digestive systems of animals, such as humans, is ____.

If multiple species find themselves competing for the same resource, the competition can be reduced by which of the following?

Each population in an ecosystem has a ____ to variations in its physical and chemical environment.

From the ____ point of view, parasites are harmful, but from the ____ perspective, parasites can promote diversity.

If the resilience of a damaged ecosystem is low enough, the degraded area may not be restored by secondary succession. When this happens, the damaged ecosystem has reached ____.

Using a small rodent, such as a field mouse, and a predator, such as a snake, explain how coevolution works.

The relationship between clownfish and sea anemone is called ____.

What describes an organism that is too old to reproduce?

What is the most common distribution of populations?

Describe what happens when species partition resources.

Most ecologists now recognize that mature, late-successional ecosystems ____.

Some species that tend to reproduce later in life and have a small number of offspring with long life spans ____.

The most common form of population dispersion found in nature is ____________________.

____________________ involves the gradual establishment of biotic communities in lifeless areas where there is no soil.

The situation in which one set of species makes an area suitable for species with different niche requirements and often, less suitable for itself, is called ____.

Grasslands have a high resilience and therefore can recover quickly following a fire.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Sustaining Aquatic Biodiversity

Filters

A population exceeding its carrying capacity will suffer a(n) or , unless the excess individuals can switch to new resources or move to a new area.

From the point of view, parasites are harmful, but from the perspective, parasites can promote diversity.