Question 1

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 2

Which of the following organisms was introduced in the United States in order to control the population of RIFAs?

Accepted Answer

A)  houseflies 
B)  fruit flies 
C)  phorid flies 
D)  hanging flies 
E)  caddis flies 
A)  houseflies 
B)  fruit flies 
C)  phorid flies 
D)  hanging flies 
E)  caddis flies

Question 3

Selecting the Exception Four of the five answers listed below are heterotrophic. Select the EXCEPTION.

Accepted Answer

A)  consumers 
B)  carnivores 
C)  herbivores 
D)  parasites 
E)  producers 
A)  consumers 
B)  carnivores 
C)  herbivores 
D)  parasites 
E)  producers

Question 4

The primary consumer is also

Accepted Answer

A)  the second link in a food chain. 
B)  a herbivore. 
C)  an animal. 
D)  a herbivore and an animal. 
E)  the second link in a food chain, a herbivore, and an animal. 
A)  the second link in a food chain. 
B)  a herbivore. 
C)  an animal. 
D)  a herbivore and an animal. 
E)  the second link in a food chain, a herbivore, and an animal.

Question 5

A hummingbird that pollinates morning glory flowers and nests in the crotch of an apple tree. The apple tree is not harmed or helped by the hummingbird.  The relationship between the hummingbird and the apple tree is a

Accepted Answer

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

Question 6

The nitrogen cycle on land begins with

Accepted Answer

A)  nitrification. 
B)  denitrification. 
C)  decomposition. 
D)  uptake by producers. 
E)  nitrogen fixation. 
A)  nitrification. 
B)  denitrification. 
C)  decomposition. 
D)  uptake by producers. 
E)  nitrogen fixation.

Question 7

The niche of an earthworm in an ecosystem is

Accepted Answer

A)  a producer. 
B)  a consumer. 
C)  a detritivore. 
D)  a decomposer. 
E)  more than one of these. 
A)  a producer. 
B)  a consumer. 
C)  a detritivore. 
D)  a decomposer. 
E)  more than one of these.

Question 8

Secondary succession can occur

Accepted Answer

A)  after a fire. 
B)  on a new sand dune. 
C)  on bare rock. 
D)  immediately after the formation of a manmade lake. 
E)  on a glacier. 
A)  after a fire. 
B)  on a new sand dune. 
C)  on bare rock. 
D)  immediately after the formation of a manmade lake. 
E)  on a glacier.

Question 9

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 10

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 11

Most of the Earth's phosphorous is in the form of

Accepted Answer

A)  phosphoric acid. 
B)  elemental phosphorous. 
C)  phosphate. 
D)  phosphorous cations. 
E)  carbonate. 
A)  phosphoric acid. 
B)  elemental phosphorous. 
C)  phosphate. 
D)  phosphorous cations. 
E)  carbonate.

Question 12

What term denotes the range of all factors that influence whether a species can obtain resources essential for survival and reproduction?

Accepted Answer

A)  habitat 
B)  niche 
C)  carrying capacity 
D)  community 
E)  ecosystem 
A)  habitat 
B)  niche 
C)  carrying capacity 
D)  community 
E)  ecosystem

Question 13

Match between columns
                        Premises: second trophic level
primary consumer
organism situated at the base of the energy pyramid
third-level consumer
second-level consumer

Accepted Answer

The Answer of choice A and choice B. and choice is...

Question 14

Carbon enters the biomass of animal bodies in the form of

Accepted Answer

A)  carbon dioxide 
B)  carbon monoxide 
C)  carbohydrates 
D)  fossil fuels 
E)  calcium carbonate 
A)  carbon dioxide 
B)  carbon monoxide 
C)  carbohydrates 
D)  fossil fuels 
E)  calcium carbonate

Question 15

Detritivores are

Accepted Answer

A)  bacteria. 
B)  plants. 
C)  fungi. 
D)  animals. 
E)  more than one of these. 
A)  bacteria. 
B)  plants. 
C)  fungi. 
D)  animals. 
E)  more than one of these.

Question 16

Which of the following terms refers to all species that live and interact in a specific area?

Accepted Answer

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

Question 17

Species richness and the relative abundance of each species determine

Accepted Answer

A)  the species composition of an ecosystem. 
B)  the species diversity of a community. 
C)  the species composition of a population. 
D)  the species diversity of a biosphere. 
E)  the species diversity in a niche. 
A)  the species composition of an ecosystem. 
B)  the species diversity of a community. 
C)  the species composition of a population. 
D)  the species diversity of a biosphere. 
E)  the species diversity in a niche.

Question 18

Decomposers perform their recycling efforts on organisms

Accepted Answer

A)  at the end of a food chain. 
B)  on the top of a pyramid. 
C)  that are producers. 
D)  that are consumers. 
E)  that are all of these. 
A)  at the end of a food chain. 
B)  on the top of a pyramid. 
C)  that are producers. 
D)  that are consumers. 
E)  that are all of these.

Question 19

Some ___ have enzymes to break the bonds of atmospheric nitrogen and use it for the metabolism of proteins and other nitrogen containing molecules.

Accepted Answer

A)  fungi 
B)  bacteria 
C)  plants 
D)  protists 
E)  fungi, bacteria, and protists 
A)  fungi 
B)  bacteria 
C)  plants 
D)  protists 
E)  fungi, bacteria, and protists

Question 20

Carbon dioxide in the atmosphere

Accepted Answer

A)  is destroying the ozone layer. 
B)  has dramatically increased in the last few decades. 
C)  is one of the prime reasons for acid depositions. 
D)  is a waste gas produced by respiration and has no biological use. 
E)  can change spontaneously to carbon monoxide in sunlight. 
A)  is destroying the ozone layer. 
B)  has dramatically increased in the last few decades. 
C)  is one of the prime reasons for acid depositions. 
D)  is a waste gas produced by respiration and has no biological use. 
E)  can change spontaneously to carbon monoxide in sunlight.

Exam 17: Communities and Ecosystems

Niche refers to the

Which of the following organisms was introduced in the United States in order to control the population of RIFAs?

Selecting the Exception Four of the five answers listed below are heterotrophic. Select the EXCEPTION.

The primary consumer is also

A hummingbird that pollinates morning glory flowers and nests in the crotch of an apple tree. The apple tree is not harmed or helped by the hummingbird. The relationship between the hummingbird and the apple tree is a

The nitrogen cycle on land begins with

The niche of an earthworm in an ecosystem is

Secondary succession can occur

Which of the following statements is CORRECT?

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

Most of the Earth's phosphorous is in the form of

What term denotes the range of all factors that influence whether a species can obtain resources essential for survival and reproduction?

Carbon enters the biomass of animal bodies in the form of

Detritivores are

Which of the following terms refers to all species that live and interact in a specific area?

Species richness and the relative abundance of each species determine

Decomposers perform their recycling efforts on organisms

Some ___ have enzymes to break the bonds of atmospheric nitrogen and use it for the metabolism of proteins and other nitrogen containing molecules.

Carbon dioxide in the atmosphere

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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