Question 1

Four of the five answers listed below are events that lead to secondary succession.Select the EXCEPTION.

Accepted Answer

A)  opening the canopy in a tropical rain forest 
B)  abandoning a cotton field 
C)  retreat of a glacier in Alaska 
D)  the finish of a fire 
E)  growth of weeds in a lawn that is not mowed 
A)  opening the canopy in a tropical rain forest 
B)  abandoning a cotton field 
C)  retreat of a glacier in Alaska 
D)  the finish of a fire 
E)  growth of weeds in a lawn that is not mowed C

Question 2

How are parasitoids different than parasites?

Accepted Answer

A)  they are usually not insects 
B)  they affect only plants 
C)  the host is killed 
D)  they have no lasting effect on their hosts 
E)  they usually only affect the eggs of birds 
A)  they are usually not insects 
B)  they affect only plants 
C)  the host is killed 
D)  they have no lasting effect on their hosts 
E)  they usually only affect the eggs of birds C

Question 3

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 C

Question 4

A sheep eating by pulling the plant out of the ground is an example of

Accepted Answer

A)  parasitism. 
B)  predation. 
C)  commensalism. 
D)  mutualism. 
E)  competitive exclusion. 
A)  parasitism. 
B)  predation. 
C)  commensalism. 
D)  mutualism. 
E)  competitive exclusion.

Question 5

In an energy pyramid,which of the following represents the base,the largest part of the pyramid?

Accepted Answer

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

Question 6

Which of the following is the most inclusive?

Accepted Answer

A)  organism 
B)  community 
C)  ecosystem 
D)  population 
E)  organ system 
A)  organism 
B)  community 
C)  ecosystem 
D)  population 
E)  organ system

Question 7

___ is the process that converts nitrate into nitrogen gas.

Accepted Answer

A)  Denitrification 
B)  Nitrification 
C)  Nitrogen fixation 
D)  Assimilation 
E)  Assimilation and nitrification 
A)  Denitrification 
B)  Nitrification 
C)  Nitrogen fixation 
D)  Assimilation 
E)  Assimilation and nitrification

Question 8

Which of the following geographical areas offers the most suitable environment for development of life?

Accepted Answer

A)  tropical regions 
B)  temperate regions 
C)  desert regions 
D)  equatorial regions 
E)  polar regions 
A)  tropical regions 
B)  temperate regions 
C)  desert regions 
D)  equatorial regions 
E)  polar regions

Question 9

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 10

Solenopsis invicta is a species of ant that was introduced in the United States from

Accepted Answer

A)  South America. 
B)  Canada. 
C)  Asia. 
D)  Africa. 
E)  Europe. 
A)  South America. 
B)  Canada. 
C)  Asia. 
D)  Africa. 
E)  Europe.

Question 11

Structure of communities may be affected by

Accepted Answer

A)  temperatures. 
B)  sunlight intensity. 
C)  humidity. 
D)  condition of the soil. 
E)  all of these. 
A)  temperatures. 
B)  sunlight intensity. 
C)  humidity. 
D)  condition of the soil. 
E)  all of these.

Question 12

Which of the following is an example of an event that would set up the scene for primary succession?

Accepted Answer

A)  a dense landslide of mountain rocks covering an entire valley 
B)  a fire that burns off all of the surface vegetation 
C)  an agricultural field that is abandoned 
D)  a lake that dries up killing all of the aquatic plants 
E)  all of these set the scene for secondary succession NOT primary succession 
A)  a dense landslide of mountain rocks covering an entire valley 
B)  a fire that burns off all of the surface vegetation 
C)  an agricultural field that is abandoned 
D)  a lake that dries up killing all of the aquatic plants 
E)  all of these set the scene for secondary succession NOT primary succession

Question 13

Resource partitioning is the result of

Accepted Answer

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

Question 14

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 15

A Venus fly trap's niche in an ecosystem is as a ________.

Accepted Answer

A)  producer 
B)  primary consumer 
C)  second-level consumer 
D)  producer and primary consumer 
E)  producer and second-level consumer 
A)  producer 
B)  primary consumer 
C)  second-level consumer 
D)  producer and primary consumer 
E)  producer and second-level consumer

Question 16

Which of the following is not a greenhouse gas?

Accepted Answer

A)  methane 
B)  nitrogen gas 
C)  carbon dioxide 
D)  nitrous oxide 
E)  chlorofluorocarbon 
A)  methane 
B)  nitrogen gas 
C)  carbon dioxide 
D)  nitrous oxide 
E)  chlorofluorocarbon

Question 17

The bacterium,E.coli,lives in the large intestines of mammals and feeds on undigested food material.E.coli helps to synthesize vitamin K that is essential for mammalian blood clotting.The relationship between E.coli and mammals is a

Accepted Answer

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

Question 18

At the bottom or base of a pyramid of energy are the

Accepted Answer

A)  primary consumers. 
B)  primary producers. 
C)  secondary consumers. 
D)  secondary producers. 
E)  tertiary consumers. 
A)  primary consumers. 
B)  primary producers. 
C)  secondary consumers. 
D)  secondary producers. 
E)  tertiary consumers.

Question 19

Which of the following is NOT a recycled element of an ecosystem?

Accepted Answer

A)  water 
B)  phosphorous 
C)  oxygen 
D)  energy 
E)  more than one of these 
A)  water 
B)  phosphorous 
C)  oxygen 
D)  energy 
E)  more than one of these

Question 20

Which gas is increased in the atmosphere and amplifies the green house effect?

Accepted Answer

A)  carbon dioxide 
B)  nitrous oxide 
C)  phosphates 
D)  bicarbonates 
E)  more than one of these 
A)  carbon dioxide 
B)  nitrous oxide 
C)  phosphates 
D)  bicarbonates 
E)  more than one of these

Exam 17: Communities and Ecosystems

Four of the five answers listed below are events that lead to secondary succession.Select the EXCEPTION.

How are parasitoids different than parasites?

Carbon enters the biomass of animal bodies in the form of

A sheep eating by pulling the plant out of the ground is an example of

In an energy pyramid,which of the following represents the base,the largest part of the pyramid?

Which of the following is the most inclusive?

___ is the process that converts nitrate into nitrogen gas.

Which of the following geographical areas offers the most suitable environment for development of life?

The primary consumer is also

Solenopsis invicta is a species of ant that was introduced in the United States from

Structure of communities may be affected by

Which of the following is an example of an event that would set up the scene for primary succession?

Resource partitioning is the result of

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

A Venus fly trap's niche in an ecosystem is as a ________.

Which of the following is not a greenhouse gas?

The bacterium,E.coli,lives in the large intestines of mammals and feeds on undigested food material.E.coli helps to synthesize vitamin K that is essential for mammalian blood clotting.The relationship between E.coli and mammals is a

At the bottom or base of a pyramid of energy are the

Which of the following is NOT a recycled element of an ecosystem?

Which gas is increased in the atmosphere and amplifies the green house effect?

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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