Question 1

Which of the following accurately represents a sequential portion of the nitrogen cycle?

Accepted Answer

A) N2 in the atmosphere -- ammonification -- nitrification -- plants 
B) N2 in the atmosphere - nitrification --plants 
C) dead organic material -- ammonification -- nitrification -- plants 
D) plant proteins -- animal proteins -- nitrification -- N₂ in the atmosphere 
A) N2 in the atmosphere -- ammonification -- nitrification -- plants 
B) N2 in the atmosphere - nitrification --plants 
C) dead organic material -- ammonification -- nitrification -- plants 
D) plant proteins -- animal proteins -- nitrification -- N₂ in the atmosphere

Question 2

All of the following traits are characteristic of the adaptations of prey EXCEPT:

Accepted Answer

A) producing toxins 
B) having the appearance of twigs or leaves. 
C) warning coloration. 
D) All of the above are characteristic prey adaptations. 
A) producing toxins 
B) having the appearance of twigs or leaves. 
C) warning coloration. 
D) All of the above are characteristic prey adaptations.

Question 3

What is each level or "link" in a food chain or a food web called?

Accepted Answer

A) a trophic level. 
B) a consumer. 
C) an energy flow unit. 
D) a producer. 
A) a trophic level. 
B) a consumer. 
C) an energy flow unit. 
D) a producer.

Question 4

What layer of our planet that is made of rock and soil?

Accepted Answer

A) hydrosphere. 
B) ecosphere. 
C) biosphere. 
D) lithosphere. 
A) hydrosphere. 
B) ecosphere. 
C) biosphere. 
D) lithosphere.

Question 5

A louse is which of the following?

Accepted Answer

A) a parasite 
B) a predator 
C) a consumer 
D) a & c 
A) a parasite 
B) a predator 
C) a consumer 
D) a & c

Question 6

Which of the following accurately represents a carbon source and the process that releases carbon from that source?

Accepted Answer

A) fossil fuels,respiration 
B) animals,photosynthesis 
C) plants,cellular respiration 
D) bicarbonate,combustion 
A) fossil fuels,respiration 
B) animals,photosynthesis 
C) plants,cellular respiration 
D) bicarbonate,combustion

Question 7

What is landscape ecology?

Accepted Answer

A) the study of human-designed communities. 
B) the study of the influences of pollution on natural ecosystems. 
C) a science exclusively concerned with terrestrial ecosystems. 
D) the study of the connections among various ecosystems. 
A) the study of human-designed communities. 
B) the study of the influences of pollution on natural ecosystems. 
C) a science exclusively concerned with terrestrial ecosystems. 
D) the study of the connections among various ecosystems.

Question 8

What is nitrogen fixation?

Accepted Answer

A) the conversion of gaseous nitrogen into an organism friendly form (ammonia (NH₃). 
B) preplanned setting of atmospheric levels of nitrogen at 78% 
C) stabilizing elemental nitrogen into a gaseous two-atom molecule (N₂) 
D) the reduction of nitrate (NO₃⁻)to gaseous nitrogen. 
A) the conversion of gaseous nitrogen into an organism friendly form (ammonia (NH₃). 
B) preplanned setting of atmospheric levels of nitrogen at 78% 
C) stabilizing elemental nitrogen into a gaseous two-atom molecule (N₂) 
D) the reduction of nitrate (NO₃⁻)to gaseous nitrogen.

Which of the following accurately represents a sequential portion of the nitrogen cycle?

All of the following traits are characteristic of the adaptations of prey EXCEPT:

What is each level or "link" in a food chain or a food web called?

What layer of our planet that is made of rock and soil?

A louse is which of the following?

Which of the following accurately represents a carbon source and the process that releases carbon from that source?

What is landscape ecology?

What is nitrogen fixation?

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Biodiversity and Conservation

Solid and Hazardous Waste

Nonrenewable Energy Resources

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Exam 5: How Ecosystems Work

Which of the following accurately represents a sequential portion of the nitrogen cycle?

All of the following traits are characteristic of the adaptations of prey EXCEPT:

What is each level or "link" in a food chain or a food web called?

What layer of our planet that is made of rock and soil?

A louse is which of the following?

Which of the following accurately represents a carbon source and the process that releases carbon from that source?

What is landscape ecology?

What is nitrogen fixation?

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Biodiversity and Conservation

Solid and Hazardous Waste

Nonrenewable Energy Resources

Renewable Energy Resources

Filters