Question 1

Match the term that corresponds to the appropriate lettered box in the image.  
-terrestrial rocks

Accepted Answer

The answer of Match the term that corresponds to the...

Question 2

Which of the following would help reduce the amount of greenhouse gases in the atmosphere?

Accepted Answer

A)  reducing water usage 
B)  driving to work 
C)  using electrical heat in homes 
D)  reducing emissions from factories 
A)  reducing water usage 
B)  driving to work 
C)  using electrical heat in homes 
D)  reducing emissions from factories

Question 3

Match each description with the appropriate scientific term.
-gross primary productivity minus the energy used for cellular respiration

Accepted Answer

A) biogeochemical cycles 
B) ecological efficiency 
C) ecological pyramid 
D) generalized compartment model 
E) gross primary productivity
F)limiting nutrient
G)net primary productivity
H)pyramid of biomass
I)secondary productivity
J)simulation modelling
K)standing crop biomass
L)trophic cascade 
A) biogeochemical cycles 
B) ecological efficiency 
C) ecological pyramid 
D) generalized compartment model 
E) gross primary productivity
F)limiting nutrient
G)net primary productivity
H)pyramid of biomass
I)secondary productivity
J)simulation modelling
K)standing crop biomass
L)trophic cascade

Question 4

What type of food webs do cave ecosystems have?

Accepted Answer

A)  extensive 
B)  truncated 
C)  incomplete 
D)  complex 
A)  extensive 
B)  truncated 
C)  incomplete 
D)  complex

Question 5

Which forms of nitrogen are readily usable by plants?

Accepted Answer

A)  NH4+ and NO2- 
B)  NO3- and NO4- 
C)  NH4+ and NO3- 
D)  N2 and NH3 
A)  NH4+ and NO2- 
B)  NO3- and NO4- 
C)  NH4+ and NO3- 
D)  N2 and NH3

Question 6

Compare the length of day with the intensity of sunlight near the equator. How do they differ?

Accepted Answer

A)  Sunlight is most intense and day length is most variable. 
B)  Sunlight is most intense and day length is least variable. 
C)  Sunlight is least intense and day length is most variable. 
D)  Sunlight is least intense and day length is least variable. 
A)  Sunlight is most intense and day length is most variable. 
B)  Sunlight is most intense and day length is least variable. 
C)  Sunlight is least intense and day length is most variable. 
D)  Sunlight is least intense and day length is least variable.

Question 7

What is the process for converting atmospheric nitrogen into ammonium?

Accepted Answer

A)  nitrogen absorption 
B)  nitrogen fixation 
C)  nitrogen conversion 
D)  nitrogen cycling 
A)  nitrogen absorption 
B)  nitrogen fixation 
C)  nitrogen conversion 
D)  nitrogen cycling

Question 8

Match each description with the appropriate scientific term.
-energy transfer from producers to consumers

Accepted Answer

A) biogeochemical cycles 
B) ecological efficiency 
C) ecological pyramid 
D) generalized compartment model 
E) gross primary productivity
F)limiting nutrient
G)net primary productivity
H)pyramid of biomass
I)secondary productivity
J)simulation modelling
K)standing crop biomass
L)trophic cascade 
A) biogeochemical cycles 
B) ecological efficiency 
C) ecological pyramid 
D) generalized compartment model 
E) gross primary productivity
F)limiting nutrient
G)net primary productivity
H)pyramid of biomass
I)secondary productivity
J)simulation modelling
K)standing crop biomass
L)trophic cascade

Question 9

Match the term that corresponds to the appropriate lettered box in the image.  
-terrestrial food webs

Accepted Answer

The answer of Match the term that corresponds to the...

Question 10

What helps to put the nature of ecosystems in context?

Accepted Answer

A)  variations in the scale of connections 
B)  variations in the scale of interactions 
C)  stability in the scale of connections 
D)  stability in the scale of interactions 
A)  variations in the scale of connections 
B)  variations in the scale of interactions 
C)  stability in the scale of connections 
D)  stability in the scale of interactions

Question 11

Match the term that corresponds to the appropriate lettered box in the image.  
-soil water

Accepted Answer

The answer of Match the term that corresponds to the...

Question 12

Which of the following is among the disadvantages of a simulation model of an ecosystem?

Accepted Answer

A)  It does not take into account water availability. 
B)  It does not take into account nutrient availability. 
C)  It does not take into account interactions between organisms. 
D)  It may not be accurate. 
A)  It does not take into account water availability. 
B)  It does not take into account nutrient availability. 
C)  It does not take into account interactions between organisms. 
D)  It may not be accurate.

Question 13

Large zooplankton decrease the ecosystem's main productivity when they are abundant.

Accepted Answer

A) True 
 B)False

Question 14

Which of these carbon reservoirs contains abundant phosphorus?

Accepted Answer

A)  Lake Erie 
B)  Pacific Ocean 
C)  Atlantic Ocean 
D)  Niagara River 
A)  Lake Erie 
B)  Pacific Ocean 
C)  Atlantic Ocean 
D)  Niagara River

Question 15

Which of these marine ecosystems have the highest mean net primary productivity?

Accepted Answer

A)  upwelling zones 
B)  open oceans 
C)  kelp beds and reefs 
D)  continental shelves 
A)  upwelling zones 
B)  open oceans 
C)  kelp beds and reefs 
D)  continental shelves

Question 16

Match each description with the appropriate scientific term.
-nutrients cycle between abiotic and living organisms

Accepted Answer

A) biogeochemical cycles 
B) ecological efficiency 
C) ecological pyramid 
D) generalized compartment model 
E) gross primary productivity
F)limiting nutrient
G)net primary productivity
H)pyramid of biomass
I)secondary productivity
J)simulation modelling
K)standing crop biomass
L)trophic cascade 
A) biogeochemical cycles 
B) ecological efficiency 
C) ecological pyramid 
D) generalized compartment model 
E) gross primary productivity
F)limiting nutrient
G)net primary productivity
H)pyramid of biomass
I)secondary productivity
J)simulation modelling
K)standing crop biomass
L)trophic cascade

Question 17

Match the term that corresponds to the appropriate lettered box in the image.  
-detritivores and decomposers

Accepted Answer

The answer of Match the term that corresponds to the...

Question 18

Which of these plants CANNOT participate in nitrogen fixation?

Accepted Answer

A)  beans 
B)  clover 
C)  wheat 
D)  roses 
A)  beans 
B)  clover 
C)  wheat 
D)  roses

Question 19

What is the overall ecological efficiency of most organisms?

Accepted Answer

A)  between 50% and 75% 
B)  between 10% and 50% 
C)  between 5% and 20% 
D)  between 2% and 5% 
A)  between 50% and 75% 
B)  between 10% and 50% 
C)  between 5% and 20% 
D)  between 2% and 5%

Question 20

In a marine environment, what governs the rate of primary productivity?

Accepted Answer

A)  available marine animals 
B)  available marine plants 
C)  available kelp 
D)  the depth of water 
A)  available marine animals 
B)  available marine plants 
C)  available kelp 
D)  the depth of water

Exam 31: Ecosystems

Match the term that corresponds to the appropriate lettered box in the image. -terrestrial rocks

Which of the following would help reduce the amount of greenhouse gases in the atmosphere?

Match each description with the appropriate scientific term. -gross primary productivity minus the energy used for cellular respiration

What type of food webs do cave ecosystems have?

Which forms of nitrogen are readily usable by plants?

Compare the length of day with the intensity of sunlight near the equator. How do they differ?

What is the process for converting atmospheric nitrogen into ammonium?

Match each description with the appropriate scientific term. -energy transfer from producers to consumers

Match the term that corresponds to the appropriate lettered box in the image. -terrestrial food webs

What helps to put the nature of ecosystems in context?

Match the term that corresponds to the appropriate lettered box in the image. -soil water

Which of the following is among the disadvantages of a simulation model of an ecosystem?

Large zooplankton decrease the ecosystem's main productivity when they are abundant.

Which of these carbon reservoirs contains abundant phosphorus?

Which of these marine ecosystems have the highest mean net primary productivity?

Match each description with the appropriate scientific term. -nutrients cycle between abiotic and living organisms

Match the term that corresponds to the appropriate lettered box in the image. -detritivores and decomposers

Which of these plants CANNOT participate in nitrogen fixation?

What is the overall ecological efficiency of most organisms?

In a marine environment, what governs the rate of primary productivity?

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Animals

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Animal Nutrition

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Animal Reproduction

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

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