Question 1

Briefly discuss the role of autotrophs in an ecosystem.

Accepted Answer

Producers, also called autotrophs, manuf

Question 2

Which of the following is not a product of cellular respiration?

Accepted Answer

A)  carbon dioxide 
B)  water 
C)  sugar 
D)  energy 
E)  carbon dioxide and sugar 
A)  carbon dioxide 
B)  water 
C)  sugar 
D)  energy 
E)  carbon dioxide and sugar

Question 3

In the Antarctic food web the base of the food chain is occupied by:

Accepted Answer

A)  krill. 
B)  minnows. 
C)  algae. 
D)  tuna. 
E)  deep-sea bacteria. 
A)  krill. 
B)  minnows. 
C)  algae. 
D)  tuna. 
E)  deep-sea bacteria.

Question 4

How does a food web differ conceptually from a food chain? Which is more realistic, and why?

Accepted Answer

A food web differs conceptually from a f

Question 5

Light is the energy source for which process?

Accepted Answer

A)  respiration 
B)  glycolysis 
C)  mitochondria 
D)  chemosynthesis 
E)  None of these choices 
A)  respiration 
B)  glycolysis 
C)  mitochondria 
D)  chemosynthesis 
E)  None of these choices

Question 6

Why do deep-sea organisms cluster around hydrothermal vents?

Accepted Answer

A)  these organisms prefer the warmth of the vent 
B)  these organisms depend on the organic material drifting down from surface waters to the vent for food 
C)  these organisms obtain energy by chemosynthesis from inorganic molecules of vents 
D)  these organisms have a light phobia 
E)  these organisms use the pressure of the deep ocean to metabolize organic molecules 
A)  these organisms prefer the warmth of the vent 
B)  these organisms depend on the organic material drifting down from surface waters to the vent for food 
C)  these organisms obtain energy by chemosynthesis from inorganic molecules of vents 
D)  these organisms have a light phobia 
E)  these organisms use the pressure of the deep ocean to metabolize organic molecules

Question 7

Define energy and briefly describe how the different forms contribute to the continual energy needs of organisms.

Accepted Answer

Energy is the capacity or ability to do

Question 8

Which of the following organisms are producers in hydrothermal vent communities?

Accepted Answer

A)  bacteria 
B)  algae 
C)  fungi 
D)  moss 
E)  None of these choices is correct 
A)  bacteria 
B)  algae 
C)  fungi 
D)  moss 
E)  None of these choices is correct

Question 9

The correct, chemically balanced equation for photosynthesis is:

Accepted Answer

A)  12CO2 + 6H2O + RADIANT ENERGY -> C6H12O6 + 12O2. 
B)  6CO2 + 12H2O + RADIANT ENERGY -> C6H12O6 + 6H2O + 6O2. 
C)  12O + C6H12O6 + 6H2O -> 6CO2 +12H2O + ENERGY. 
D)  12O2 + C6H12O6 + 12H2O -> 6CO2 + 12H2O + ENERGY. 
E)  6O2 + C6H12O6 + 6H2O -> 6CO2 + 12H2O + ENERGY. 
A)  12CO2 + 6H2O + RADIANT ENERGY -> C6H12O6 + 12O2. 
B)  6CO2 + 12H2O + RADIANT ENERGY -> C6H12O6 + 6H2O + 6O2. 
C)  12O + C6H12O6 + 6H2O -> 6CO2 +12H2O + ENERGY. 
D)  12O2 + C6H12O6 + 12H2O -> 6CO2 + 12H2O + ENERGY. 
E)  6O2 + C6H12O6 + 6H2O -> 6CO2 + 12H2O + ENERGY.

Question 10

What category would carnivores fall into?

Accepted Answer

A)  autotrophs 
B)  tertiary consumers 
C)  omnivores 
D)  secondary consumers 
E)  tertiary consumers and secondary consumers 
A)  autotrophs 
B)  tertiary consumers 
C)  omnivores 
D)  secondary consumers 
E)  tertiary consumers and secondary consumers

Question 11

With respect to _________, every ecosystem is open.

Accepted Answer

A)  species 
B)  populations 
C)  the first and second laws of thermodynamicse) inorganic compounds 
A)  species 
B)  populations 
C)  the first and second laws of thermodynamicse) inorganic compounds

Question 12

All of the following are components of the hydrosphere except:

Accepted Answer

A)  sea ice. 
B)  tropical rainstorms. 
C)  soil. 
D)  hail. 
E)  rivers. 
A)  sea ice. 
B)  tropical rainstorms. 
C)  soil. 
D)  hail. 
E)  rivers.

Question 13

Which of the following organisms are capable of cellular respiration?

Accepted Answer

A)  green plants 
B)  bacteria 
C)  carnivores 
D)  algae 
E)  All of these choices are correct 
A)  green plants 
B)  bacteria 
C)  carnivores 
D)  algae 
E)  All of these choices are correct

Briefly discuss the role of autotrophs in an ecosystem.

Which of the following is not a product of cellular respiration?

In the Antarctic food web the base of the food chain is occupied by:

How does a food web differ conceptually from a food chain? Which is more realistic, and why?

Light is the energy source for which process?

Why do deep-sea organisms cluster around hydrothermal vents?

Define energy and briefly describe how the different forms contribute to the continual energy needs of organisms.

Which of the following organisms are producers in hydrothermal vent communities?

The correct, chemically balanced equation for photosynthesis is:

What category would carnivores fall into?

With respect to _________, every ecosystem is open.

All of the following are components of the hydrosphere except:

Which of the following organisms are capable of cellular respiration?

Introducing Environmental Science and Sustainability

Environmental Laws Economic and Ethics

Ecosystems and the Physical Environment

Ecosystems and Living Organisms

Major Ecosystems of the World

Human Health and Environmental Toxicology

The Human Population

The Urban World

Energy Consumption

Fossil Fuels

Renewable Energy and Nuclear Power

Water: a Limited Resource

Soil Resources

Mineral Resources

Biological Resources

Land Resources

Food Resources

Air Pollution

Global Climate Change

Water Pollution

Pest Management

Solid and Hazardous Waste

Tomorrows Word

Filters

Exam 3: Ecosystems and Energy

Briefly discuss the role of autotrophs in an ecosystem.

Which of the following is not a product of cellular respiration?

In the Antarctic food web the base of the food chain is occupied by:

How does a food web differ conceptually from a food chain? Which is more realistic, and why?

Light is the energy source for which process?

Why do deep-sea organisms cluster around hydrothermal vents?

Define energy and briefly describe how the different forms contribute to the continual energy needs of organisms.

Which of the following organisms are producers in hydrothermal vent communities?

The correct, chemically balanced equation for photosynthesis is:

What category would carnivores fall into?

With respect to _________, every ecosystem is open.

All of the following are components of the hydrosphere except:

Which of the following organisms are capable of cellular respiration?

Introducing Environmental Science and Sustainability

Environmental Laws Economic and Ethics

Ecosystems and the Physical Environment

Ecosystems and Living Organisms

Major Ecosystems of the World

Human Health and Environmental Toxicology

The Human Population

The Urban World

Energy Consumption

Fossil Fuels

Renewable Energy and Nuclear Power

Water: a Limited Resource

Soil Resources

Mineral Resources

Biological Resources

Land Resources

Food Resources

Air Pollution

Global Climate Change

Water Pollution

Pest Management

Solid and Hazardous Waste

Tomorrows Word

Filters