Question 1

Which biome is dominated by grasses and shrubs and experiences cold temperatures and relatively low levels of precipitation?

Accepted Answer

A)  Tundra 
B)  Savanna 
C)  Desert 
D)  Grasslands 
A)  Tundra 
B)  Savanna 
C)  Desert 
D)  Grasslands

Question 2

As the sugars are broken down in the cells of living creatures, the energy returns to the atmosphere through the process of .

Accepted Answer

A)  photosynthesis 
B)  transpiration 
C)  respiration 
D)  evapotranspiration 
A)  photosynthesis 
B)  transpiration 
C)  respiration 
D)  evapotranspiration

Question 3

Most plants acquire their minerals from .

Accepted Answer

A)  fertilizers 
B)  detritus and the weathering of rock 
C)  the precipitation of minerals from rainfall 
D)  nutrients in rainfall and dust storms that transport minerals into a region 
A)  fertilizers 
B)  detritus and the weathering of rock 
C)  the precipitation of minerals from rainfall 
D)  nutrients in rainfall and dust storms that transport minerals into a region

Question 4

Tropical dry forests are characterized by all of the following except .

Accepted Answer

A)  a dry season 
B)  high biodiversity 
C)  trees that retain their leaves throughout the year 
D)  warm temperatures year- round 
A)  a dry season 
B)  high biodiversity 
C)  trees that retain their leaves throughout the year 
D)  warm temperatures year- round

Question 5

-All of the following can be inferred from the figure except .

Accepted Answer

A)  areas classified as tundra tend to be very cold and dry 
B)  temperate coniferous forests tend to be wetter than temperate broadleaf forests 
C)  plants in tropical dry forests experience both a wet season and a dry season 
D)  only the warmest deserts receive greater than 50 cm of precipitation annually 
A)  areas classified as tundra tend to be very cold and dry 
B)  temperate coniferous forests tend to be wetter than temperate broadleaf forests 
C)  plants in tropical dry forests experience both a wet season and a dry season 
D)  only the warmest deserts receive greater than 50 cm of precipitation annually

Question 6

-Which one of the following would be a physical component of the desert ecosystem of the southwestern United States?

Accepted Answer

A)  Deer 
B)  Rocks 
C)  Ferns 
D)  Cacti 
A)  Deer 
B)  Rocks 
C)  Ferns 
D)  Cacti

Question 7

Which biome is characterized by the highest annual rainfalls and primary productivity?

Accepted Answer

A)  Tropical broadleaf forests 
B)  Tropical grasslands and prairies 
C)  Temperate deciduous forests 
D)  Temperate grasslands and prairies 
A)  Tropical broadleaf forests 
B)  Tropical grasslands and prairies 
C)  Temperate deciduous forests 
D)  Temperate grasslands and prairies

Question 8

Biomes are regions with similar .

Accepted Answer

A)  soils, water systems, and animals 
B)  animals, plants, and climatic conditions 
C)  rocks, soil, minerals, and water 
D)  terrain and elevations 
A)  soils, water systems, and animals 
B)  animals, plants, and climatic conditions 
C)  rocks, soil, minerals, and water 
D)  terrain and elevations

Question 9

Discuss two climatic factors that are most important in the distribution and characteristics of biomes. Choose one biome and explain how these two factors impact the specific plants and animals found there.

Accepted Answer

Temperature and precipitation are the tw

Question 10

Soil layers with distinct properties are called _ .

Accepted Answer

A)  horizons 
B)  tiers 
C)  bands 
D)  profiles 
A)  horizons 
B)  tiers 
C)  bands 
D)  profiles

Question 11

-Which of the following statements accurately describes gross and net primary production?

Accepted Answer

A)  Gross primary production involves plants, while net primary production involves animals. 
B)  Gross primary production is always greater than net primary production. 
C)  Net primary production is always greater than gross primary production. 
D)  Gross primary production takes into consideration autotrophic respiration, while net primary production does not. 
A)  Gross primary production involves plants, while net primary production involves animals. 
B)  Gross primary production is always greater than net primary production. 
C)  Net primary production is always greater than gross primary production. 
D)  Gross primary production takes into consideration autotrophic respiration, while net primary production does not.

Question 12

Which of the following is an example of a cultural ecosystem service?

Accepted Answer

A)  Providing food to the malnourished 
B)  Ensuring flow of traffic in and out of a city 
C)  Enjoying the beauty or inspiration provided by a forest 
D)  Ensuring good health access for populations in a community 
E)  Constructing a "green" building 
A)  Providing food to the malnourished 
B)  Ensuring flow of traffic in and out of a city 
C)  Enjoying the beauty or inspiration provided by a forest 
D)  Ensuring good health access for populations in a community 
E)  Constructing a "green" building

Question 13

Describe the distinction between macronutrients and micronutrients. Give several examples of each, and describe their importance.

Accepted Answer

Macronutrients, such as nitrogen, phosph

Which biome is dominated by grasses and shrubs and experiences cold temperatures and relatively low levels of precipitation?

As the sugars are broken down in the cells of living creatures, the energy returns to the atmosphere through the process of .

Most plants acquire their minerals from .

Tropical dry forests are characterized by all of the following except .

-All of the following can be inferred from the figure except .

-Which one of the following would be a physical component of the desert ecosystem of the southwestern United States?

Which biome is characterized by the highest annual rainfalls and primary productivity?

Biomes are regions with similar .

Discuss two climatic factors that are most important in the distribution and characteristics of biomes. Choose one biome and explain how these two factors impact the specific plants and animals found there.

Soil layers with distinct properties are called _ .

-Which of the following statements accurately describes gross and net primary production?

Which of the following is an example of a cultural ecosystem service?

Describe the distinction between macronutrients and micronutrients. Give several examples of each, and describe their importance.

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Exam 6: Ecosystems and Biomes

Which biome is dominated by grasses and shrubs and experiences cold temperatures and relatively low levels of precipitation?

As the sugars are broken down in the cells of living creatures, the energy returns to the atmosphere through the process of .

Most plants acquire their minerals from .

Tropical dry forests are characterized by all of the following except .

-All of the following can be inferred from the figure except .

-Which one of the following would be a physical component of the desert ecosystem of the southwestern United States?

Which biome is characterized by the highest annual rainfalls and primary productivity?

Biomes are regions with similar .

Discuss two climatic factors that are most important in the distribution and characteristics of biomes. Choose one biome and explain how these two factors impact the specific plants and animals found there.

Soil layers with distinct properties are called _ .

-Which of the following statements accurately describes gross and net primary production?

Which of the following is an example of a cultural ecosystem service?

Describe the distinction between macronutrients and micronutrients. Give several examples of each, and describe their importance.

The Science of Sustainability

Environmental Policy

Economics and Values

Biodiversity and Evolution

Populations and Communities

Biogeochemical Cycles

Freshwater

Atmosphere and Air Pollution

Oceans

Climate

Human Populations

Land Use

Agriculture

Solid and Hazardous Waste

Human Health and the Environment

Energy Use

Nonrenewable Energy

Renewable Energy

Science Fundamentals

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