Question 1

How does crop rotation aid the farmer?

Accepted Answer

If a farmer plants a different type of c

Question 2

Which of the following carbon reservoirs contain(s) the most carbon?

Accepted Answer

A) oceans 
B) biomass on land 
C) lakes 
D) the atmosphere 
A) oceans 
B) biomass on land 
C) lakes 
D) the atmosphere

Question 3

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 4

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 5

Fossil fuels are the result of buried organisms where low oxygen levels existed.

Accepted Answer

A) True 
 B)False

Question 6

How do food webs relate to the idea of biological magnification of toxins?

Accepted Answer

When toxins are present in the soil, wat

Question 7

Match the term that corresponds to the appropriate lettered box in the image.  
-coal, oil, peat

Accepted Answer

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

Question 8

A large percentage of energy passes on from one trophic level to the next.

Accepted Answer

A) True 
 B)False

Question 9

Match each description with the appropriate scientific term.
-describes how nutrients accumulate in four compartments

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 10

Which of the following statements best compares the pyramid of biomass for Silver Springs, Florida, and the English Channel?

Accepted Answer

A) The pyramid for Silver Springs is bottom heavy, and the English Channel pyramid is top heavy. 
B) The pyramids for Silver Springs and the English Channel are both top heavy. 
C) The pyramids for Silver Springs and the English Channel are the same. 
D) The pyramid for Silver Springs is top heavy, and the English Channel pyramid is bottom heavy. 
A) The pyramid for Silver Springs is bottom heavy, and the English Channel pyramid is top heavy. 
B) The pyramids for Silver Springs and the English Channel are both top heavy. 
C) The pyramids for Silver Springs and the English Channel are the same. 
D) The pyramid for Silver Springs is top heavy, and the English Channel pyramid is bottom heavy.

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Lake ecosystems have many trophic levels.

Accepted Answer

A) True 
 B)False

Question 13

Match each description with the appropriate scientific term.
-predicts what would happen if an ecosystem was changed

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 14

Match each description with the appropriate scientific term.
-reduction of productivity at higher trophic levels

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 15

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 16

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 17

What process takes place in nodules located on legumes?

Accepted Answer

A) biological magnification 
B) ammonification 
C) nitrogen fixation 
D) nitrification 
A) biological magnification 
B) ammonification 
C) nitrogen fixation 
D) nitrification

Question 18

How does the water move in the hydrologic cycle?

Accepted Answer

A) from the land to the air by transpiration, and back to the land via precipitation and evaporation 
B) from the land to the air by transpiration and evaporation, and back to the land via precipitation 
C) from the land to the air by precipitation and transpiration, and back to the land via evaporation 
D) from the land to the air by precipitation, and back to the land via evaporation and transpiration 
A) from the land to the air by transpiration, and back to the land via precipitation and evaporation 
B) from the land to the air by transpiration and evaporation, and back to the land via precipitation 
C) from the land to the air by precipitation and transpiration, and back to the land via evaporation 
D) from the land to the air by precipitation, and back to the land via evaporation and transpiration

Question 19

Oceans and the tropical rain forests contribute equally to global productivity.

Accepted Answer

A) True 
 B)False

Question 20

What three factors determine the ecological efficiencies of consumers?

Accepted Answer

A) assimilation and harvesting efficiencies and water volume 
B) production, harvesting, and assimilation efficiencies 
C) production and harvesting efficiencies and amount of sunlight 
D) production and harvesting efficiencies and percentage of decomposers 
A) assimilation and harvesting efficiencies and water volume 
B) production, harvesting, and assimilation efficiencies 
C) production and harvesting efficiencies and amount of sunlight 
D) production and harvesting efficiencies and percentage of decomposers

Exam 31: Ecosystems

How does crop rotation aid the farmer?

Which of the following carbon reservoirs contain(s) the most carbon?

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

Which forms of nitrogen are readily usable by plants?

Fossil fuels are the result of buried organisms where low oxygen levels existed.

How do food webs relate to the idea of biological magnification of toxins?

Match the term that corresponds to the appropriate lettered box in the image. -coal, oil, peat

A large percentage of energy passes on from one trophic level to the next.

Match each description with the appropriate scientific term. -describes how nutrients accumulate in four compartments

Which of the following statements best compares the pyramid of biomass for Silver Springs, Florida, and the English Channel?

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

Lake ecosystems have many trophic levels.

Match each description with the appropriate scientific term. -predicts what would happen if an ecosystem was changed

Match each description with the appropriate scientific term. -reduction of productivity at higher trophic levels

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

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

What process takes place in nodules located on legumes?

How does the water move in the hydrologic cycle?

Oceans and the tropical rain forests contribute equally to global productivity.

What three factors determine the ecological efficiencies of consumers?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Conservation of Biodiversity

Putting Selection to Work

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

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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