Question 1

Which of the following pollutants is associated with thyroid cancer?

Accepted Answer

A)  nitrate 
B)  nitrous oxide 
C)  ammonia 
D)  phosphate 
E)  more than one of these 
A)  nitrate 
B)  nitrous oxide 
C)  ammonia 
D)  phosphate 
E)  more than one of these

Question 2

In which of the following ways does the fly kill a fire ant?

Accepted Answer

A)  A female fly lays an egg in the ant's soft tissues, and in the process of development, the resulting larvae kills the ant. 
B)  A fly (male or female) injects a poisonous substance in the ant which results in paralyzing its muscles. 
C)  A fly (male or female) injects a substance that sterilizes the ant. 
D)  A fly (male or female) causes the ant's death by depriving it from its necessary resources and habitat. 
E)  A fly (male or female) injects a substance that sterilizes the ant and paralyzes its muscles. 
A)  A female fly lays an egg in the ant's soft tissues, and in the process of development, the resulting larvae kills the ant. 
B)  A fly (male or female) injects a poisonous substance in the ant which results in paralyzing its muscles. 
C)  A fly (male or female) injects a substance that sterilizes the ant. 
D)  A fly (male or female) causes the ant's death by depriving it from its necessary resources and habitat. 
E)  A fly (male or female) injects a substance that sterilizes the ant and paralyzes its muscles.

Question 3

Carbon is stored in what form?

Accepted Answer

A)  biomass 
B)  fossil fuels 
C)  limestone rocks 
D)  shells of animals 
E)  all of these 
A)  biomass 
B)  fossil fuels 
C)  limestone rocks 
D)  shells of animals 
E)  all of these

Question 4

The pyramid of energy is

Accepted Answer

A)  a demonstration of the first law of thermodynamics. 
B)  a result in the decline in the energy available as energy travels through the trophic levels. 
C)  fundamentally different from the pyramid of biomass and the pyramid of numbers. 
D)  just one of the manifestations of competition. 
E)  the result of eating the correct foods. 
A)  a demonstration of the first law of thermodynamics. 
B)  a result in the decline in the energy available as energy travels through the trophic levels. 
C)  fundamentally different from the pyramid of biomass and the pyramid of numbers. 
D)  just one of the manifestations of competition. 
E)  the result of eating the correct foods.

Question 5

Solenopsis invicta or red imported fire ants (RIFAs)are extremely successful in the United States because they

Accepted Answer

A)  are resistant to attacks from predators. 
B)  are resistant to most pesticides. 
C)  never get troubled with diseases. 
D)  are resistant to attacks from predators and never get troubled with diseases. 
E)  have all of these characteristics. 
A)  are resistant to attacks from predators. 
B)  are resistant to most pesticides. 
C)  never get troubled with diseases. 
D)  are resistant to attacks from predators and never get troubled with diseases. 
E)  have all of these characteristics.

Question 6

In a ecosystem,what does a producer produce that flows through the ecosystem?

Accepted Answer

A)  carbohydrates 
B)  minerals 
C)  water 
D)  carbohydrates and minerals 
E)  minerals and water 
A)  carbohydrates 
B)  minerals 
C)  water 
D)  carbohydrates and minerals 
E)  minerals and water

Question 7

Which of the following statements is CORRECT?

Accepted Answer

A)  A population cannot exceed the carrying capacity even temporarily. 
B)  An organism can occupy more than one trophic level, depending upon the feeding habits of the organism. 
C)  Once populations of organisms become isolated, they remain so by various types of isolation mechanisms. 
D)  The limits of a population are all traced to climatic or physical factors. 
E)  Organisms with different evolutionary backgrounds can occupy the same niche at the same time. 
A)  A population cannot exceed the carrying capacity even temporarily. 
B)  An organism can occupy more than one trophic level, depending upon the feeding habits of the organism. 
C)  Once populations of organisms become isolated, they remain so by various types of isolation mechanisms. 
D)  The limits of a population are all traced to climatic or physical factors. 
E)  Organisms with different evolutionary backgrounds can occupy the same niche at the same time.

Question 8

Which of the following is NOT dependent on the others as a food supply?

Accepted Answer

A)  carnivores 
B)  herbivores 
C)  producers 
D)  detritivores 
E)  decomposers 
A)  carnivores 
B)  herbivores 
C)  producers 
D)  detritivores 
E)  decomposers

Question 9

Which of the following definitions is CORRECT?

Accepted Answer

A)  A community refers to interaction between populations and their environment. 
B)  A community refers to interaction between species and their environment. 
C)  A community refers to the area in which different species live. 
D)  A community refers to all species that live and interact in a specific area. 
E)  None of these are correct. 
A)  A community refers to interaction between populations and their environment. 
B)  A community refers to interaction between species and their environment. 
C)  A community refers to the area in which different species live. 
D)  A community refers to all species that live and interact in a specific area. 
E)  None of these are correct.

Question 10

Which of the following is NOT an aspect of a species' niche?

Accepted Answer

A)  tolerable temperatures 
B)  foods it can eat 
C)  places where it can breed safely 
D)  amount of water it needs 
E)  all of these are aspects of a species' niche 
A)  tolerable temperatures 
B)  foods it can eat 
C)  places where it can breed safely 
D)  amount of water it needs 
E)  all of these are aspects of a species' niche

Question 11

Which of the following is a major determinant in which plant species becomes a pioneer species in a primary succession event?

Accepted Answer

A)  the species of plants that preceded it 
B)  the animals that occupy the area 
C)  chance events 
D)  the nature of the existing soils 
E)  the type of disturbance 
A)  the species of plants that preceded it 
B)  the animals that occupy the area 
C)  chance events 
D)  the nature of the existing soils 
E)  the type of disturbance

Question 12

Which of the following are threatened by red imported fire ants?

Accepted Answer

A)  native ant populations 
B)  ant-eating lizards 
C)  ground-nesting birds 
D)  native plants 
E)  all of these 
A)  native ant populations 
B)  ant-eating lizards 
C)  ground-nesting birds 
D)  native plants 
E)  all of these

Question 13

Niche refers to the

Accepted Answer

A)  home range of an animal. 
B)  preferred habitat for an organism. 
C)  functional role of a species in a community. 
D)  territory occupied by a species. 
E)  locale in which a species lives. 
A)  home range of an animal. 
B)  preferred habitat for an organism. 
C)  functional role of a species in a community. 
D)  territory occupied by a species. 
E)  locale in which a species lives.

Question 14

Nitrogen is released into the atmosphere by

Accepted Answer

A)  nitrogen fixation. 
B)  denitrification. 
C)  nitrification. 
D)  ammonification. 
E)  decomposition. 
A)  nitrogen fixation. 
B)  denitrification. 
C)  nitrification. 
D)  ammonification. 
E)  decomposition.

Question 15

Most organisms are dependent upon plants because

Accepted Answer

A)  plants produce oxygen as a by-product of photosynthesis. 
B)  as producers, they form the base of food chains. 
C)  they function to prevent erosion and reduce desertification. 
D)  as they remove carbon dioxide from the atmosphere, they reduce the problems generated by the greenhouse effect. 
E)  all of these apply. 
A)  plants produce oxygen as a by-product of photosynthesis. 
B)  as producers, they form the base of food chains. 
C)  they function to prevent erosion and reduce desertification. 
D)  as they remove carbon dioxide from the atmosphere, they reduce the problems generated by the greenhouse effect. 
E)  all of these apply.

Question 16

Where is most the Earth's phosphate found?

Accepted Answer

A)  ocean water 
B)  aquifers 
C)  the atmosphere 
D)  rocks and sediments 
E)  plants 
A)  ocean water 
B)  aquifers 
C)  the atmosphere 
D)  rocks and sediments 
E)  plants

Question 17

Classification.Answer the questions in reference to the five kinds of species interactions listed below.
a.competition
b.predation
c.mutualism
d.commensalism
-Lyme disease is caused by a bacterium carried by a tick.The disease is rarely ever fatal but can persist for long periods of time.

Accepted Answer

The answer of Classification.Answer the questions in reference to the...

Question 18

The warming action on earth's atmosphere is referred to as

Accepted Answer

A)  respiration accumulation. 
B)  the greenhouse effect. 
C)  the smog problem. 
D)  the blanket phenomenon. 
E)  ozone depletion. 
A)  respiration accumulation. 
B)  the greenhouse effect. 
C)  the smog problem. 
D)  the blanket phenomenon. 
E)  ozone depletion.

Question 19

The greatest concentration of nitrogen on earth is found in

Accepted Answer

A)  living organisms, including bacteria. 
B)  the atmosphere. 
C)  soil minerals. 
D)  fossil fuels. 
E)  oceans. 
A)  living organisms, including bacteria. 
B)  the atmosphere. 
C)  soil minerals. 
D)  fossil fuels. 
E)  oceans.

Question 20

Populations are held in check by

Accepted Answer

A)  resource partition. 
B)  predation. 
C)  social parasitism. 
D)  competition. 
E)  all of these. 
A)  resource partition. 
B)  predation. 
C)  social parasitism. 
D)  competition. 
E)  all of these.

Exam 17: Communities and Ecosystems

Which of the following pollutants is associated with thyroid cancer?

In which of the following ways does the fly kill a fire ant?

Carbon is stored in what form?

The pyramid of energy is

Solenopsis invicta or red imported fire ants (RIFAs)are extremely successful in the United States because they

In a ecosystem,what does a producer produce that flows through the ecosystem?

Which of the following statements is CORRECT?

Which of the following is NOT dependent on the others as a food supply?

Which of the following definitions is CORRECT?

Which of the following is NOT an aspect of a species' niche?

Which of the following is a major determinant in which plant species becomes a pioneer species in a primary succession event?

Which of the following are threatened by red imported fire ants?

Niche refers to the

Nitrogen is released into the atmosphere by

Most organisms are dependent upon plants because

Where is most the Earth's phosphate found?

Classification.Answer the questions in reference to the five kinds of species interactions listed below. a.competition b.predation c.mutualism d.commensalism -Lyme disease is caused by a bacterium carried by a tick.The disease is rarely ever fatal but can persist for long periods of time.

The warming action on earth's atmosphere is referred to as

The greatest concentration of nitrogen on earth is found in

Populations are held in check by

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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