Question 1

An ecological description of a species typically includes:

Accepted Answer

A)  whether it is a producer, consumer, or decomposer 
B)  the kinds of symbiotic associations it forms 
C)  whether it is a predator and/or prey 
D)  what species it competes with 
E)  all of these choices are correct 
A)  whether it is a producer, consumer, or decomposer 
B)  the kinds of symbiotic associations it forms 
C)  whether it is a predator and/or prey 
D)  what species it competes with 
E)  all of these choices are correct

Question 2

Which of the following does not correctly pair the ecosystem with a service it provides?

Accepted Answer

A)  forests - absorb carbon dioxide 
B)  coasts - provide a buffer against storms 
C)  grasslands - dilute and remove pollutants 
D)  freshwater systems - moderate water flow 
E)  sustainable agriculture systems - produce and maintain soil 
A)  forests - absorb carbon dioxide 
B)  coasts - provide a buffer against storms 
C)  grasslands - dilute and remove pollutants 
D)  freshwater systems - moderate water flow 
E)  sustainable agriculture systems - produce and maintain soil

Question 3

Limits set by a surrounding environment on reproduction are called

Accepted Answer

A)  biotic potential. 
B)  environmental resistance. 
C)  natural increase. 
D)  demographics. 
E)  doubling time. 
A)  biotic potential. 
B)  environmental resistance. 
C)  natural increase. 
D)  demographics. 
E)  doubling time.

Question 4

The Norway rat and the black rat were both introduced to this country from Europe. The Norway rat is found only in cities and inhabits most cities in the U.S. The black rat can live in cities and rural areas but in New Jersey is ONLY found in rural areas. Some cities in New Jersey, which previously had only black rats, now have only Norway rats. Discuss this phenomenon in terms of competitive exclusion, resource partitioning and limiting resources.

Accepted Answer

No two species can indefinitely occupy t

Question 5

The mechanism of natural selection involves all of the following except:

Accepted Answer

A)  overproduction within a species. 
B)  limits on population growth. 
C)  genetic variation. 
D)  differential reproductive success. 
E)  a stable community structure. 
A)  overproduction within a species. 
B)  limits on population growth. 
C)  genetic variation. 
D)  differential reproductive success. 
E)  a stable community structure.

Question 6

The maximum number of individuals of a given species that a particular environment can support for an indefinite period, assuming there are no changes in the environment is called its

Accepted Answer

A)  environmental resistance 
B)  intrinsic rate of increase 
C)  carrying capacity 
D)  sustainability 
E)  demography 
A)  environmental resistance 
B)  intrinsic rate of increase 
C)  carrying capacity 
D)  sustainability 
E)  demography

Question 7

Individuals within a population each have a unique combination of traits due to:

Accepted Answer

A)  overproduction. 
B)  evolution. 
C)  genetic variation. 
D)  differential reproductive success. 
E)  natural selection. 
A)  overproduction. 
B)  evolution. 
C)  genetic variation. 
D)  differential reproductive success. 
E)  natural selection.

Question 8

In a parasitic relationship where the host contracts a disease and sometimes dies, the parasite is called a(n):

Accepted Answer

A)  predator. 
B)  keystone species. 
C)  mutualistic symbiont. 
D)  interspecific competitor. 
E)  pathogen. 
A)  predator. 
B)  keystone species. 
C)  mutualistic symbiont. 
D)  interspecific competitor. 
E)  pathogen.

Question 9

The relationship exemplified by bees consuming nectar and carrying pollen from one flower to another is known as:

Accepted Answer

A)  Commensalism 
B)  Parasitism 
C)  Mutualism 
D)  Predation 
E)  Competition 
A)  Commensalism 
B)  Parasitism 
C)  Mutualism 
D)  Predation 
E)  Competition

Question 10

Draw a flow diagram of an old field undergoing succession. What type of succession is this?

Accepted Answer

The change in an old field over the year

Question 11

The relationship between a tick and a dog is an example of:

Accepted Answer

A)  parasitism. 
B)  mutualism. 
C)  commensalism. 
D)  an epiphytic organism and its host. 
E)  predation. 
A)  parasitism. 
B)  mutualism. 
C)  commensalism. 
D)  an epiphytic organism and its host. 
E)  predation.

Question 12

What is the modern synthesis, and how has it broadened our understanding of evolution by natural selection?

Accepted Answer

The modern synthesis refers to the bring

Question 13

Small plants attaching to the bark of larger trees benefit from the position on the tree, receiving necessary water and sunlight while giving the tree neither help nor harm. This is an example of…

Accepted Answer

A)  environmental stressors 
B)  Mycorrhizae 
C)  habitat fragmentation 
D)  commensalism 
E)  none of these choices is correct 
A)  environmental stressors 
B)  Mycorrhizae 
C)  habitat fragmentation 
D)  commensalism 
E)  none of these choices is correct

Question 14

Which of the following terms encompasses all of the other terms?

Accepted Answer

A)  parasitism 
B)  symbiosis 
C)  commensalism 
D)  mutualism 
E)  co-evolution 
A)  parasitism 
B)  symbiosis 
C)  commensalism 
D)  mutualism 
E)  co-evolution

Question 15

Because of their large size and aggressive nature, European Starlings have displaced Bluebirds from their nests in many areas of North America. This is an example of:

Accepted Answer

A)  Commensalism 
B)  Parasitism 
C)  Mutualism 
D)  Predation 
E)  Competition 
A)  Commensalism 
B)  Parasitism 
C)  Mutualism 
D)  Predation 
E)  Competition

Question 16

Which of the following is an adaptation of flowers resulting from the coevolution of plants and pollinators?

Accepted Answer

A)  mycorrhizae 
B)  nectar 
C)  epiphytes 
D)  nitrogen fixing bacteria 
E)  zooxanthellae 
A)  mycorrhizae 
B)  nectar 
C)  epiphytes 
D)  nitrogen fixing bacteria 
E)  zooxanthellae

Question 17

Symbiosis is the result of coevolution. Coevolution is the result of the interdependent evolution of:

Accepted Answer

A)  two interacting species 
B)  similar organisms whose members freely interbreed in the wild 
C)  a single species producing more offspring than will survive 
D)  species that lack a nuclear membrane and other internal cell membranes 
E)  two individuals within a single species 
A)  two interacting species 
B)  similar organisms whose members freely interbreed in the wild 
C)  a single species producing more offspring than will survive 
D)  species that lack a nuclear membrane and other internal cell membranes 
E)  two individuals within a single species

Question 18

Populations that are growing at their intrinsic rate of increase:

Accepted Answer

A)  exhibit logistic growth. 
B)  exhibit exponential growth. 
C)  double in size every year. 
D)  mutate rapidly. 
E)  have no impact on their environment. 
A)  exhibit logistic growth. 
B)  exhibit exponential growth. 
C)  double in size every year. 
D)  mutate rapidly. 
E)  have no impact on their environment.

Question 19

Discuss the relationship between symbiosis and parasitism and between parasite and pathogen. Include at least three specific examples in your discussion.

Accepted Answer

Parasitism is a symbiotic relationship i

Question 20

In the real world, many factors determine the numbers of organisms in any one population. Yet a SUPERFLY population with unlimited food and no mortality would show what types of growth?

Accepted Answer

A)  exponential 
B)  logistic 
C)  linear 
D)  Malthusian 
E)  unpredictable 
A)  exponential 
B)  logistic 
C)  linear 
D)  Malthusian 
E)  unpredictable

Exam 5: Ecosystems and Living Organisms

An ecological description of a species typically includes:

Which of the following does not correctly pair the ecosystem with a service it provides?

Limits set by a surrounding environment on reproduction are called

The mechanism of natural selection involves all of the following except:

The maximum number of individuals of a given species that a particular environment can support for an indefinite period, assuming there are no changes in the environment is called its

Individuals within a population each have a unique combination of traits due to:

In a parasitic relationship where the host contracts a disease and sometimes dies, the parasite is called a(n):

The relationship exemplified by bees consuming nectar and carrying pollen from one flower to another is known as:

Draw a flow diagram of an old field undergoing succession. What type of succession is this?

The relationship between a tick and a dog is an example of:

What is the modern synthesis, and how has it broadened our understanding of evolution by natural selection?

Small plants attaching to the bark of larger trees benefit from the position on the tree, receiving necessary water and sunlight while giving the tree neither help nor harm. This is an example of…

Which of the following terms encompasses all of the other terms?

Because of their large size and aggressive nature, European Starlings have displaced Bluebirds from their nests in many areas of North America. This is an example of:

Which of the following is an adaptation of flowers resulting from the coevolution of plants and pollinators?

Symbiosis is the result of coevolution. Coevolution is the result of the interdependent evolution of:

Populations that are growing at their intrinsic rate of increase:

Discuss the relationship between symbiosis and parasitism and between parasite and pathogen. Include at least three specific examples in your discussion.

In the real world, many factors determine the numbers of organisms in any one population. Yet a SUPERFLY population with unlimited food and no mortality would show what types of 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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