Question 1

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 2

The capacity to withstand external stress and disturbance is called ____.

Accepted Answer

A)  equilibrium 
B)  stability 
C)  balance of nature 
D)  facilitation 
E)  inhibition 
A)  equilibrium 
B)  stability 
C)  balance of nature 
D)  facilitation 
E)  inhibition

Question 3

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 4

When two different species interact over a long time,changes in the gene pool help both species to become more competitive or avoid competition.This is called _______________,

Accepted Answer

The answer of When two different species interact over a...

Question 5

Species can,over a long period of time,develop adaptations that allow them to reduce or avoid competition by sharing resources.This is called ____.

Accepted Answer

A)  competitive exclusion principle 
B)  resource partitioning 
C)  population distribution 
D)  interspecific competition 
E)  mimicry 
A)  competitive exclusion principle 
B)  resource partitioning 
C)  population distribution 
D)  interspecific competition 
E)  mimicry

Question 6

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

Accepted Answer

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

Question 7

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

Accepted Answer

Environmen

Question 8

Scientists have changed their view about a stable type of climax community as the end product of succession and are now suggesting we can not predict the course of succession.

Accepted Answer

A) True 
 B)False

Question 9

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 10

Some people blame white-tailed deer for invading suburban yards and gardens.Discuss potential solutions to this problem.

Accepted Answer

There are no easy answers to the deer po

Question 11

The gradual change in species composition in a given area is called ____________________.

Accepted Answer

ecological

Question 12

The most common interaction between species is commensalism.

Accepted Answer

A) True 
 B)False

Question 13

There are ____ limits to population growth in nature.

Accepted Answer

A)  never 
B)  sometimes 
C)  always 
D)  low 
E)  high 
A)  never 
B)  sometimes 
C)  always 
D)  low 
E)  high

Question 14

A group of interbreeding individuals of the same species in the same geographic region is called a(n)____.

Accepted Answer

A)  community 
B)  population 
C)  ecosystem 
D)  biosphere 
E)  biome 
A)  community 
B)  population 
C)  ecosystem 
D)  biosphere 
E)  biome

Question 15

The southern sea otter is a tool-using mammal.

Accepted Answer

A) True 
 B)False

Question 16

Emigration is the ____.

Accepted Answer

A)  arrival of individuals into an established population 
B)  arrival movement of individuals into an uninhabited area 
C)  departure movement of individuals from a population to another area 
D)  repeated movement into and out of an area 
E)  lack of immigration into an area 
A)  arrival of individuals into an established population 
B)  arrival movement of individuals into an uninhabited area 
C)  departure movement of individuals from a population to another area 
D)  repeated movement into and out of an area 
E)  lack of immigration into an area

Question 17

____________________ 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 18

Which of the following exhibits primary succession?

Accepted Answer

A)  a rock exposed by a retreating glacier 
B)  an abandoned farm 
C)  a clear-cut forest 
D)  newly flooded land 
E)  a recently burned forest 
A)  a rock exposed by a retreating glacier 
B)  an abandoned farm 
C)  a clear-cut forest 
D)  newly flooded land 
E)  a recently burned forest

Question 19

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 20

In predator-prey relationships,the predator is seeking food for itself and its offspring,while the prey is seeking not to become food for the predator.As a result,predator and prey populations exert tremendous natural selection pressures on each other.

Accepted Answer

A) True 
 B)False

Exam 5: Biodiversity, species Interactions, and Population Control

What describes an organism that is too old to reproduce?

The capacity to withstand external stress and disturbance is called ____.

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

When two different species interact over a long time,changes in the gene pool help both species to become more competitive or avoid competition.This is called _______________,

Species can,over a long period of time,develop adaptations that allow them to reduce or avoid competition by sharing resources.This is called ____.

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

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

Scientists have changed their view about a stable type of climax community as the end product of succession and are now suggesting we can not predict the course of succession.

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

Some people blame white-tailed deer for invading suburban yards and gardens.Discuss potential solutions to this problem.

The gradual change in species composition in a given area is called ____________________.

The most common interaction between species is commensalism.

There are ____ limits to population growth in nature.

A group of interbreeding individuals of the same species in the same geographic region is called a(n)____.

The southern sea otter is a tool-using mammal.

Emigration is the ____.

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

Which of the following exhibits primary succession?

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

In predator-prey relationships,the predator is seeking food for itself and its offspring,while the prey is seeking not to become food for the predator.As a result,predator and prey populations exert tremendous natural selection pressures on each other.

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

Food, soil, and Pest Management

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution

Climate Disruption and Ozone Depletion

Water Pollution

Solid and Hazardous Waste

Cities and Sustainability

Economics, environment, and Sustainability

Politics, environment, and Sustainability

Environmental Worldviews, ethics, and Sustainability

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