Question 1

Flowing-water ecosystems, especially headwater streams, receive most of their energy from:

Accepted Answer

A)  light. 
B)  water. 
C)  wind. 
D)  organic detritus. 
E)  minerals. 
A)  light. 
B)  water. 
C)  wind. 
D)  organic detritus. 
E)  minerals.

Question 2

Shortgrass prairies:

Accepted Answer

A)  are moist grasslands with rich soil 
B)  are very similar to desserts 
C)  have drought resistant grasses 
D)  have helpful wildfires 
E)  are moist grasslands with rich soil and have helpful wildfires 
A)  are moist grasslands with rich soil 
B)  are very similar to desserts 
C)  have drought resistant grasses 
D)  have helpful wildfires 
E)  are moist grasslands with rich soil and have helpful wildfires

Question 3

Which of the following characterizes both the savanna and the chaparral?

Accepted Answer

A)  periodic fires 
B)  extensive stands of trees 
C)  large herds of herbivorous mammals 
D)  soils with high mineral content 
E)  moist summers and dry winters 
A)  periodic fires 
B)  extensive stands of trees 
C)  large herds of herbivorous mammals 
D)  soils with high mineral content 
E)  moist summers and dry winters

Question 4

Which of the following biomes has the highest biodiversity?

Accepted Answer

A)  temperate deciduous forest 
B)  savanna 
C)  taiga 
D)  tropical rain forest 
E)  tropical desert 
A)  temperate deciduous forest 
B)  savanna 
C)  taiga 
D)  tropical rain forest 
E)  tropical desert

Question 5

All of the following apply to the tundra biome except:

Accepted Answer

A)  abundant average precipitation of 75 to 125 cm (30 to 50 in) per year 
B)  permafrost 
C)  nutrient-poor soils 
D)  little organic matter 
E)  long, harsh winters and short cool summers 
A)  abundant average precipitation of 75 to 125 cm (30 to 50 in) per year 
B)  permafrost 
C)  nutrient-poor soils 
D)  little organic matter 
E)  long, harsh winters and short cool summers

Question 6

Humans harm the oceans in all of the following ways EXCEPT

Accepted Answer

A)  Developing along the coast 
B)  Polluting the land 
C)  Recycling 
D)  Killing marine life with trash 
E)  With chemicals from the agriculture and industry 
A)  Developing along the coast 
B)  Polluting the land 
C)  Recycling 
D)  Killing marine life with trash 
E)  With chemicals from the agriculture and industry

Question 7

Which of the following would not be found exclusively in the benthic environment?

Accepted Answer

A)  seagrass beds 
B)  coral reefs 
C)  oysters, clams, and barnacles 
D)  kelp forests 
E)  nekton 
A)  seagrass beds 
B)  coral reefs 
C)  oysters, clams, and barnacles 
D)  kelp forests 
E)  nekton

Question 8

Which of the following does not apply to the tundra biome?

Accepted Answer

A)  few species are found 
B)  harsh winters and short summers 
C)  the biome is dominated by mosses, lichens, sedges and grasses 
D)  no permafrost 
E)  tundra plants seldom grow taller than 30 cm (12 in) 
A)  few species are found 
B)  harsh winters and short summers 
C)  the biome is dominated by mosses, lichens, sedges and grasses 
D)  no permafrost 
E)  tundra plants seldom grow taller than 30 cm (12 in)

Question 9

Which of the following is characteristic of desert animals?

Accepted Answer

A)  They tend to be quite large in size. 
B)  They remain inactive during the driest months of the year. 
C)  They are active throughout the day and night. 
D)  Rodents are the only group of mammals represented in this biome. 
E)  Amphibians and reptiles are absent. 
A)  They tend to be quite large in size. 
B)  They remain inactive during the driest months of the year. 
C)  They are active throughout the day and night. 
D)  Rodents are the only group of mammals represented in this biome. 
E)  Amphibians and reptiles are absent.

Question 10

The Tallgrass Prairie is currently the rarest biome in North America due to:

Accepted Answer

A)  rampant urbanization 
B)  recent climate change 
C)  industrial pollution 
D)  conversion to agriculture 
E)  industrial pollution and the conversion to agriculture 
A)  rampant urbanization 
B)  recent climate change 
C)  industrial pollution 
D)  conversion to agriculture 
E)  industrial pollution and the conversion to agriculture

Question 11

Which of the following human impacts is mismatched with the detrimental effect it has had on a biome?

Accepted Answer

A)  Oil and natural gas exploration: long-lasting injury due to slow regeneration of the tundra 
B)  Mining, drilling for gas and oil, and farming: loss of boreal forest (deforestation) 
C)  Overharvesting of old-growth forest: loss of temperate rain forest habitat for endangered and threatened species 
D)  Off-road vehicle damage and military exercises: erosion and loss of vegetation in the desert 
E)  Hunting and fishing: desertification of the savanna, tropical grasslands 
A)  Oil and natural gas exploration: long-lasting injury due to slow regeneration of the tundra 
B)  Mining, drilling for gas and oil, and farming: loss of boreal forest (deforestation) 
C)  Overharvesting of old-growth forest: loss of temperate rain forest habitat for endangered and threatened species 
D)  Off-road vehicle damage and military exercises: erosion and loss of vegetation in the desert 
E)  Hunting and fishing: desertification of the savanna, tropical grasslands

Question 12

Which of the following biomes is not known for its wood and lumber production?

Accepted Answer

A)  temperate rain forest 
B)  taiga 
C)  chaparral 
D)  temperate deciduous forest 
E)  tropical rain forest 
A)  temperate rain forest 
B)  taiga 
C)  chaparral 
D)  temperate deciduous forest 
E)  tropical rain forest

Question 13

The ocean is so vast it is hard to visualize human activities that could harm it. However, the evidence of human impact is unmistakable. Discuss this evidence of marine ecosystem destruction coupled with recommendations from the 2004 report by the U.S. Commission on Ocean Policy for improving the situation.

Accepted Answer

Development of resorts, cities, industri

Flowing-water ecosystems, especially headwater streams, receive most of their energy from:

Shortgrass prairies:

Which of the following characterizes both the savanna and the chaparral?

Which of the following biomes has the highest biodiversity?

All of the following apply to the tundra biome except:

Humans harm the oceans in all of the following ways EXCEPT

Which of the following would not be found exclusively in the benthic environment?

Which of the following does not apply to the tundra biome?

Which of the following is characteristic of desert animals?

The Tallgrass Prairie is currently the rarest biome in North America due to:

Which of the following human impacts is mismatched with the detrimental effect it has had on a biome?

Which of the following biomes is not known for its wood and lumber production?

Introducing Environmental Science and Sustainability

Environmental Laws Economic and Ethics

Ecosystems and Energy

Ecosystems and the Physical Environment

Ecosystems and Living Organisms

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

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Exam 6: Major Ecosystems of the World

Flowing-water ecosystems, especially headwater streams, receive most of their energy from:

Shortgrass prairies:

Which of the following characterizes both the savanna and the chaparral?

Which of the following biomes has the highest biodiversity?

All of the following apply to the tundra biome except:

Humans harm the oceans in all of the following ways EXCEPT

Which of the following would not be found exclusively in the benthic environment?

Which of the following does not apply to the tundra biome?

Which of the following is characteristic of desert animals?

The Tallgrass Prairie is currently the rarest biome in North America due to:

Which of the following human impacts is mismatched with the detrimental effect it has had on a biome?

Which of the following biomes is not known for its wood and lumber production?

Introducing Environmental Science and Sustainability

Environmental Laws Economic and Ethics

Ecosystems and Energy

Ecosystems and the Physical Environment

Ecosystems and Living Organisms

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