Question 1

The majority of the Earth's carbon is stored in ____________________.

Accepted Answer

The answer of The majority of the Earth's carbon is...

Question 2

As energy flows in ecosystems, it can be said to

Accepted Answer

A)  cycle, as in a round trip 
B)  flow from high-quality to low-quality energy in a one-way fashion 
C)  either flow one way or cycle, depending on the type of energy involved 
D)  flow in a two-directional fashion 
E)  energy does not flow or cycle 
A)  cycle, as in a round trip 
B)  flow from high-quality to low-quality energy in a one-way fashion 
C)  either flow one way or cycle, depending on the type of energy involved 
D)  flow in a two-directional fashion 
E)  energy does not flow or cycle

Question 3

-What trophic level is occupied by the emperor penguin in the above food web? Briefly state the reason for your choice.

Accepted Answer

Tertiary and quaternary consum

Question 4

Increasing levels of carbon dioxide are one of the major contributors to global warming.

Accepted Answer

A) True 
 B)False

Question 5

All of the following are sources of phosphorus except

Accepted Answer

A)  inorganic fertilizer 
B)  runoff of animal wastes from feedlots 
C)  Detergents 
D)  acid rain 
E)  Rocks 
A)  inorganic fertilizer 
B)  runoff of animal wastes from feedlots 
C)  Detergents 
D)  acid rain 
E)  Rocks

Question 6

Carnivores such as tigers, hawks and killer whales that feed on the flesh of other carnivores are known as _______________ consumers.

Accepted Answer

The answer of Carnivores such as tigers, hawks and killer...

Question 7

When sulfur dioxide in the atmosphere combines with water in precipitation, sulfuric acid rain is deposited on the Earth. What human activities contribute to this process?

Accepted Answer

Human activities that release large amou

Question 8

Lightning is one of the natural mechanisms by which atmospheric nitrogen fixation is accomplished.

Accepted Answer

A) True 
 B)False

Question 9

It can be said that trees can actually produce their own rainfall.

Accepted Answer

A) True 
 B)False

Question 10

Ammonia (NH4+) is a form of nitrogen that is readily accessible and useable by plants.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following best represents the process of photosynthesis?

Accepted Answer

A)  Carbon dioxide + Glucose + Solar energy $\rarr$ Water + Oxygen 
B)  Carbon dioxide + Water + Solar energy $\rarr$  Glucose + Oxygen 
C)  Oxygen + Glucose + Solar energy $\rarr$  Carbon dioxide + Water 
D)  Oxygen + Glucose $\rarr$  Solar energy + Carbon dioxide + Water 
E)  Carbon dioxide + Water $\rarr$  Solar energy + Glucose + Oxygen 
A)  Carbon dioxide + Glucose + Solar energy $\rarr$ Water + Oxygen 
B)  Carbon dioxide + Water + Solar energy $\rarr$  Glucose + Oxygen 
C)  Oxygen + Glucose + Solar energy $\rarr$  Carbon dioxide + Water 
D)  Oxygen + Glucose $\rarr$  Solar energy + Carbon dioxide + Water 
E)  Carbon dioxide + Water $\rarr$  Solar energy + Glucose + Oxygen

Question 12

Nitrogen makes up approximately ____% of the volume of the atmosphere.

Accepted Answer

A)  25 
B)  42 
C)  57 
D)  78 
E)  85 
A)  25 
B)  42 
C)  57 
D)  78 
E)  85

The majority of the Earth's carbon is stored in ____________________.

As energy flows in ecosystems, it can be said to

-What trophic level is occupied by the emperor penguin in the above food web? Briefly state the reason for your choice.

Increasing levels of carbon dioxide are one of the major contributors to global warming.

All of the following are sources of phosphorus except

Carnivores such as tigers, hawks and killer whales that feed on the flesh of other carnivores are known as _______________ consumers.

When sulfur dioxide in the atmosphere combines with water in precipitation, sulfuric acid rain is deposited on the Earth. What human activities contribute to this process?

Lightning is one of the natural mechanisms by which atmospheric nitrogen fixation is accomplished.

It can be said that trees can actually produce their own rainfall.

Ammonia (NH₄+) is a form of nitrogen that is readily accessible and useable by plants.

Which of the following best represents the process of photosynthesis?

Nitrogen makes up approximately ____% of the volume of the atmosphere.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

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Exam 3: Ecosystems: What Are They and How Do They Work

The majority of the Earth's carbon is stored in ____________________.

As energy flows in ecosystems, it can be said to

-What trophic level is occupied by the emperor penguin in the above food web? Briefly state the reason for your choice.

Increasing levels of carbon dioxide are one of the major contributors to global warming.

All of the following are sources of phosphorus except

Carnivores such as tigers, hawks and killer whales that feed on the flesh of other carnivores are known as _______________ consumers.

When sulfur dioxide in the atmosphere combines with water in precipitation, sulfuric acid rain is deposited on the Earth. What human activities contribute to this process?

Lightning is one of the natural mechanisms by which atmospheric nitrogen fixation is accomplished.

It can be said that trees can actually produce their own rainfall.

Ammonia (NH4+) is a form of nitrogen that is readily accessible and useable by plants.

Which of the following best represents the process of photosynthesis?

Nitrogen makes up approximately ____% of the volume of the atmosphere.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters

Ammonia (NH₄+) is a form of nitrogen that is readily accessible and useable by plants.