Question 1

Nutrients cycle, but energy ____________________.

Accepted Answer

The answer of Nutrients cycle, but energy ____________________....

Question 2

Clearly explain the significant differences between UV and infrared radiation and how this relates to the greenhouse effect.

Accepted Answer

The wavelengths of UV and infrared radia

Question 3

Ecologists primarily study interactions in the geosphere.

Accepted Answer

A) True 
 B)False

Question 4

Which ecosystem component plays a key role in the recycling of nutrients in the biosphere?

Accepted Answer

A) producers 
B) primary consumers 
C) herbivores 
D) tertiary consumers 
E) decomposers 
A) producers 
B) primary consumers 
C) herbivores 
D) tertiary consumers 
E) decomposers

Question 5

Match the items listed below with the appropriate choice
  
-On the figure of the Earth, choose the letter that represents infrared radiation.

Accepted Answer

The answer of 
Match the items listed below with the...

Question 6

Match the items listed below with the appropriate choice
  
-On the figure of the Earth, choose the letter that represents UV radiation.

Accepted Answer

The answer of 
Match the items listed below with the...

Question 7

Bacteria and fungi are typically categorized as which of the following ecosystem components?

Accepted Answer

A) autotrophs 
B) producers 
C) primary consumers 
D) tertiary consumers 
E) decomposers 
A) autotrophs 
B) producers 
C) primary consumers 
D) tertiary consumers 
E) decomposers

Question 8

Humans intervene in the phosphorous cycle by

Accepted Answer

A) mining large quantities of phosphate rock 
B) using phosphate-based detergents 
C) adding runoff of animal wastes from livestock feedlots to aquatic ecosystems 
D) discharging municipal sewage 
E) all of these answers 
A) mining large quantities of phosphate rock 
B) using phosphate-based detergents 
C) adding runoff of animal wastes from livestock feedlots to aquatic ecosystems 
D) discharging municipal sewage 
E) all of these answers

Question 9

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

Accepted Answer

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

Question 10

Energy and nutrients both cycle.

Accepted Answer

A) True 
 B)False

Question 11

The burning of coal releases sulfur dioxide into the atmosphere.
a.However, smelting is a clean process that does not deposit sulfur dioxide.

Accepted Answer

A) True 
 B)False

Question 12

Complex arrangements of feeding patterns in ecosystems are best described as

Accepted Answer

A) food webs 
B) food chains 
C) trophic levels 
D) pyramids of energy 
E) trophic chains 
A) food webs 
B) food chains 
C) trophic levels 
D) pyramids of energy 
E) trophic chains

Question 13

Highly specialized bacteria are an essential component of the phosphorous cycle.

Accepted Answer

A) True 
 B)False

Question 14

Match the descriptive phrase below with its appropriate cycle.
-Forms acid rain

Accepted Answer

A) hydrologic 
B) carbon 
C) nitrogen 
D) phosphorus 
E) sulfur 
A) hydrologic 
B) carbon 
C) nitrogen 
D) phosphorus 
E) sulfur

Question 15

Autotrophs

Accepted Answer

A) make the nutrients they need from compounds and energy obtained from their environment 
B) are know as producers 
C) carry on photosynthesis 
D) all of these answers 
E) none of these answers 
A) make the nutrients they need from compounds and energy obtained from their environment 
B) are know as producers 
C) carry on photosynthesis 
D) all of these answers 
E) none of these answers

Question 16

If the producers in an ecosystem capture 40,000 units of energy, assuming average efficiency of energy transfer, how many units of this energy can likely be successfully converted into secondary consumer biomass?

Accepted Answer

A) 40,000 
B) 4,000 
C) 400 
D) 40 
E) 4 
A) 40,000 
B) 4,000 
C) 400 
D) 40 
E) 4

Question 17

A deer is both a primary consumer and in the second trophic level.

Accepted Answer

A) True 
 B)False

Question 18

Detritivores are consumers that release nutrients from the dead bodies of living organisms and return them to the soil, water, and air.

Accepted Answer

A) True 
 B)False

Question 19

Where in a mammal would there be the highest concentrations of phosphorous?

Accepted Answer

A) liver and pancreas 
B) muscle tissues 
C) bones and teeth 
D) central nervous system 
E) hair and skin tissues 
A) liver and pancreas 
B) muscle tissues 
C) bones and teeth 
D) central nervous system 
E) hair and skin tissues

Question 20

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

Accepted Answer

A) True 
 B)False

Nutrients cycle, but energy ____________________.

Clearly explain the significant differences between UV and infrared radiation and how this relates to the greenhouse effect.

Ecologists primarily study interactions in the geosphere.

Which ecosystem component plays a key role in the recycling of nutrients in the biosphere?

Match the items listed below with the appropriate choice -On the figure of the Earth, choose the letter that represents infrared radiation.

Match the items listed below with the appropriate choice -On the figure of the Earth, choose the letter that represents UV radiation.

Bacteria and fungi are typically categorized as which of the following ecosystem components?

Humans intervene in the phosphorous cycle by

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

Energy and nutrients both cycle.

The burning of coal releases sulfur dioxide into the atmosphere. a.However, smelting is a clean process that does not deposit sulfur dioxide.

Complex arrangements of feeding patterns in ecosystems are best described as

Highly specialized bacteria are an essential component of the phosphorous cycle.

Match the descriptive phrase below with its appropriate cycle. -Forms acid rain

Autotrophs

If the producers in an ecosystem capture 40,000 units of energy, assuming average efficiency of energy transfer, how many units of this energy can likely be successfully converted into secondary consumer biomass?

A deer is both a primary consumer and in the second trophic level.

Detritivores are consumers that release nutrients from the dead bodies of living organisms and return them to the soil, water, and air.

Where in a mammal would there be the highest concentrations of phosphorous?

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

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 Mineral Resources

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

Nutrients cycle, but energy ____________________.

Clearly explain the significant differences between UV and infrared radiation and how this relates to the greenhouse effect.

Ecologists primarily study interactions in the geosphere.

Which ecosystem component plays a key role in the recycling of nutrients in the biosphere?

Match the items listed below with the appropriate choice -On the figure of the Earth, choose the letter that represents infrared radiation.

Match the items listed below with the appropriate choice -On the figure of the Earth, choose the letter that represents UV radiation.

Bacteria and fungi are typically categorized as which of the following ecosystem components?

Humans intervene in the phosphorous cycle by

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

Energy and nutrients both cycle.

The burning of coal releases sulfur dioxide into the atmosphere. a.However, smelting is a clean process that does not deposit sulfur dioxide.

Complex arrangements of feeding patterns in ecosystems are best described as

Highly specialized bacteria are an essential component of the phosphorous cycle.

Match the descriptive phrase below with its appropriate cycle. -Forms acid rain

Autotrophs

If the producers in an ecosystem capture 40,000 units of energy, assuming average efficiency of energy transfer, how many units of this energy can likely be successfully converted into secondary consumer biomass?

A deer is both a primary consumer and in the second trophic level.

Detritivores are consumers that release nutrients from the dead bodies of living organisms and return them to the soil, water, and air.

Where in a mammal would there be the highest concentrations of phosphorous?

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

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 Mineral Resources

Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters