Question 1

Organisms that feed only on plants are called ____.

Accepted Answer

A) detritivores 
B) omnivores 
C) carnivores 
D) herbivores 
E) decomposers 
A) detritivores 
B) omnivores 
C) carnivores 
D) herbivores 
E) decomposers

Question 2

Fossil fuels and minerals are found in the ____.

Accepted Answer

A) unisphere 
B) atmosphere 
C) hydrosphere 
D) geosphere 
E) biosphere 
A) unisphere 
B) atmosphere 
C) hydrosphere 
D) geosphere 
E) biosphere

Question 3

Hydrogen sulfide and sulfur dioxide are added to the atmosphere by ____.

Accepted Answer

A) volcanoes 
B) floods 
C) meat consumption 
D) sea spray 
E) acid rain deposition 
A) volcanoes 
B) floods 
C) meat consumption 
D) sea spray 
E) acid rain deposition

Question 4

The rotten-egg smell coming from volcanoes and anaerobic decomposition in bogs and swamps comes from the gas ____________________.

Accepted Answer

The answer of The rotten-egg smell coming from volcanoes and...

Question 5

Life on the earth depends on interaction of gravity, the cycling of matter, and the ____.

Accepted Answer

A) recycling of energy 
B) one-way flow of high-quality energy 
C) one-way flow of matter 
D) destruction of energy 
E) consumption of matter 
A) recycling of energy 
B) one-way flow of high-quality energy 
C) one-way flow of matter 
D) destruction of energy 
E) consumption of matter

Question 6

Which of the following is an abiotic component of an ecosystem?

Accepted Answer

A) nutrients 
B) microbes 
C) autotrophs 
D) heterotrophs 
E) tertiary consumers 
A) nutrients 
B) microbes 
C) autotrophs 
D) heterotrophs 
E) tertiary consumers

Question 7

What refers to the conversion of water from liquid to vapor from the earth's oceans, lakes, rivers, and soil?

Accepted Answer

A) substitution 
B) evaporation 
C) transpiration 
D) precipitation 
E) respiration 
A) substitution 
B) evaporation 
C) transpiration 
D) precipitation 
E) respiration

Question 8

Which statement about microorganisms is true ?

Accepted Answer

A) Bacteria and other microbes help purify the water we drink. 
B) The majority of bacteria and fungi are toxic to humans. 
C) Bacteria destroy more energy than they produce. 
D) The "bacterial zoo" in our digestive systems has no known function. 
E) The use of microorganisms to control plant diseases has not worked well. 
A) Bacteria and other microbes help purify the water we drink. 
B) The majority of bacteria and fungi are toxic to humans. 
C) Bacteria destroy more energy than they produce. 
D) The "bacterial zoo" in our digestive systems has no known function. 
E) The use of microorganisms to control plant diseases has not worked well.

Question 9

Humans intervene in the nitrogen cycle in several ways. Which of the following is one of those ways?

Accepted Answer

A) Burning fossil fuels adds nitric oxide. 
B) Agriculture decreases the production of nitrous oxides. 
C) Protecting and replanting forests releases nitrogen. 
D) Harvesting nitrogen-rich crops stores nitrogen in the topsoil. 
E) Agriculture with fertilizers uses nitrogen in the aquatic systems. 
A) Burning fossil fuels adds nitric oxide. 
B) Agriculture decreases the production of nitrous oxides. 
C) Protecting and replanting forests releases nitrogen. 
D) Harvesting nitrogen-rich crops stores nitrogen in the topsoil. 
E) Agriculture with fertilizers uses nitrogen in the aquatic systems.

Question 10

While the troposphere is 11 miles thick above sea level at the tropics, it is only four miles thick above the North and South poles.

Accepted Answer

A) True 
 B)False

Organisms that feed only on plants are called ____.

Fossil fuels and minerals are found in the ____.

Hydrogen sulfide and sulfur dioxide are added to the atmosphere by ____.

The rotten-egg smell coming from volcanoes and anaerobic decomposition in bogs and swamps comes from the gas ____________________.

Life on the earth depends on interaction of gravity, the cycling of matter, and the ____.

Which of the following is an abiotic component of an ecosystem?

What refers to the conversion of water from liquid to vapor from the earth's oceans, lakes, rivers, and soil?

Which statement about microorganisms is true ?

Humans intervene in the nitrogen cycle in several ways. Which of the following is one of those ways?

While the troposphere is 11 miles thick above sea level at the tropics, it is only four miles thick above the North and South poles.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Sustaining Aquatic Biodiversity

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

Organisms that feed only on plants are called ____.

Fossil fuels and minerals are found in the ____.

Hydrogen sulfide and sulfur dioxide are added to the atmosphere by ____.

The rotten-egg smell coming from volcanoes and anaerobic decomposition in bogs and swamps comes from the gas ____________________.

Life on the earth depends on interaction of gravity, the cycling of matter, and the ____.

Which of the following is an abiotic component of an ecosystem?

What refers to the conversion of water from liquid to vapor from the earth's oceans, lakes, rivers, and soil?

Which statement about microorganisms is true ?

Humans intervene in the nitrogen cycle in several ways. Which of the following is one of those ways?

While the troposphere is 11 miles thick above sea level at the tropics, it is only four miles thick above the North and South poles.

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Sustaining Aquatic Biodiversity

Filters