Question 1

Despite its low net primary productivity (NPP),the open ocean produces more of the earth's biomass per year than any other ecosystem or life zone because ____.​

Accepted Answer

A)  ​growth is not limited by nutrient availability 
B)  ​whales are so large 
C)  ​of the enormous volume of the global ocean 
D)  ​more sunlight is available 
E)  ​there are fewer primary consumers

Question 2

Bacteria in soil convert ammonia and ammonium ions to ___________________.

Accepted Answer

The answer of Bacteria in soil convert ammonia and ammonium...

Question 3

Of the following water cycle processes,the one working against gravity is​

Accepted Answer

A)  ​percolation 
B)  ​infiltration 
C)  ​runoff 
D)  ​transpiration 
E)  ​precipitation

Question 4

Water exists as a liquid over a wide range of temperatures because of the lack of attractive forces between its molecules.

Accepted Answer

A) True 
 B)False

Question 5

​An organism can be described as a tertiary consumer if it eats ____.

Accepted Answer

A)  ​detritivores 
B)  ​secondary producers 
C)  ​herbivores and carnivores 
D)  ​solely primary consumers 
E)  ​producers only

Question 6

Water has the ability to filter out wavelengths of the sun's ultraviolet radiation that would harm some aquatic organisms.

Accepted Answer

A) True 
 B)False

Question 7

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 whales...

Question 8

Human activities have affected the sulfur cycle primarily by ____.​

Accepted Answer

A)  ​producing carbon dioxide,which reacts with sulfur in the atmosphere 
B)  ​capturing sulfur emissions from volcanoes 
C)  ​converting sulfur into hydrogen sulfide gas 
D)  ​replenishing sulfur resources 
E)  ​releasing large amounts of sulfur dioxide (SO2)gas into the atmosphere

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

Why is it that most top predators (e.g.,lions,tigers,bears,and wolves)have extremely large territories and are relatively rare?

Accepted Answer

The answer of Why is it that most top predators...

Question 11

Food chains and food webs show how producers,consumers,and decomposers are connected to one another as chemical energy flows through different ____ in an ecosystem.​

Accepted Answer

A)  ​secondary producers 
B)  ​trophic levels 
C)  ​biospheres 
D)  ​the hydrologic cycle 
E)  ​abiotic components

Question 12

Net primary productivity (NPP)is the rate at which producers use photosynthesis to produce and store chemical energy minus ____.​

Accepted Answer

A)  ​the rate at which they use some of this stored chemical energy through aerobic respiration 
B)  ​the amount of chemical energy they already have stored 
C)  ​the rate at which the producers are consumed 
D)  ​the average rate of photosynthesis in cloudy conditions 
E)  ​the average rate of photosynthesis among similar organisms

Question 13

Ecology is the study of how organisms can survive independently of one another by their dependence on matter and energy.

Accepted Answer

A) True 
 B)False

Question 14

Compare the roles of bacteria in the nitrogen and phosphorus cycles.

Accepted Answer

The answer of Compare the roles of bacteria in the...

Question 15

As solar energy interacts with carbon dioxide,water vapor,and several other gases in the troposphere,it warms the troposphere- a process known as the ____________________.

Accepted Answer

The answer of As solar energy interacts with carbon dioxide,water...

Question 16

____________________ is the rate at which an ecosystem's producers (usually plants)convert solar energy into chemical energy stored in compounds found in their tissues,not accounting for the use of chemical energy through aerobic respiration.

Accepted Answer

The answer of ____________________ is the rate at which an...

Question 17

The troposphere and stratosphere are layers of the ____________________.

Accepted Answer

The answer of The troposphere and stratosphere are layers of...

Question 18

Human activities have affected the sulfur cycle through the burning of sulfur-containing coal and oil.​

Accepted Answer

A) True 
 B)False

Question 19

Plants utilize a portion of their gross primary productivity (GPP)for respiration.

Accepted Answer

A) True 
 B)False

Question 20

Pronghorn antelope live in the high desert of the Great Basin in the western U.S.Which of the following items are possible abiotic factors that an antelope has to contend with?​

Accepted Answer

A)  ​the density of the local population of coyotes 
B)  ​parasites such as ticks 
C)  ​competition with wild horses for sparse vegetation for forage 
D)  ​poisonous or thorny plants 
E)  ​extreme maximum and minimum temperatures in the desert

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

Despite its low net primary productivity (NPP) ,the open ocean produces more of the earth's biomass per year than any other ecosystem or life zone because ____.

Bacteria in soil convert ammonia and ammonium ions to ___________________.

Of the following water cycle processes,the one working against gravity is

Water exists as a liquid over a wide range of temperatures because of the lack of attractive forces between its molecules.

An organism can be described as a tertiary consumer if it eats ____.

Water has the ability to filter out wavelengths of the sun's ultraviolet radiation that would harm some aquatic organisms.

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

Human activities have affected the sulfur cycle primarily by ____.

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

Why is it that most top predators (e.g.,lions,tigers,bears,and wolves)have extremely large territories and are relatively rare?

Food chains and food webs show how producers,consumers,and decomposers are connected to one another as chemical energy flows through different ____ in an ecosystem.

Net primary productivity (NPP) is the rate at which producers use photosynthesis to produce and store chemical energy minus ____.

Ecology is the study of how organisms can survive independently of one another by their dependence on matter and energy.

Compare the roles of bacteria in the nitrogen and phosphorus cycles.

As solar energy interacts with carbon dioxide,water vapor,and several other gases in the troposphere,it warms the troposphere- a process known as the ____________________.

____________________ is the rate at which an ecosystem's producers (usually plants)convert solar energy into chemical energy stored in compounds found in their tissues,not accounting for the use of chemical energy through aerobic respiration.

The troposphere and stratosphere are layers of the ____________________.

Human activities have affected the sulfur cycle through the burning of sulfur-containing coal and oil.

Plants utilize a portion of their gross primary productivity (GPP)for respiration.

Pronghorn antelope live in the high desert of the Great Basin in the western U.S.Which of the following items are possible abiotic factors that an antelope has to contend with?

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

Despite its low net primary productivity (NPP) ,the open ocean produces more of the earth's biomass per year than any other ecosystem or life zone because ____.​

Bacteria in soil convert ammonia and ammonium ions to ___________________.

Of the following water cycle processes,the one working against gravity is​

Water exists as a liquid over a wide range of temperatures because of the lack of attractive forces between its molecules.

​An organism can be described as a tertiary consumer if it eats ____.

Water has the ability to filter out wavelengths of the sun's ultraviolet radiation that would harm some aquatic organisms.

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

Human activities have affected the sulfur cycle primarily by ____.​

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

Why is it that most top predators (e.g.,lions,tigers,bears,and wolves)have extremely large territories and are relatively rare?

Food chains and food webs show how producers,consumers,and decomposers are connected to one another as chemical energy flows through different ____ in an ecosystem.​

Net primary productivity (NPP) is the rate at which producers use photosynthesis to produce and store chemical energy minus ____.​

Ecology is the study of how organisms can survive independently of one another by their dependence on matter and energy.

Compare the roles of bacteria in the nitrogen and phosphorus cycles.

As solar energy interacts with carbon dioxide,water vapor,and several other gases in the troposphere,it warms the troposphere- a process known as the ____________________.

____________________ is the rate at which an ecosystem's producers (usually plants)convert solar energy into chemical energy stored in compounds found in their tissues,not accounting for the use of chemical energy through aerobic respiration.

The troposphere and stratosphere are layers of the ____________________.

Human activities have affected the sulfur cycle through the burning of sulfur-containing coal and oil.​

Plants utilize a portion of their gross primary productivity (GPP)for respiration.

Pronghorn antelope live in the high desert of the Great Basin in the western U.S.Which of the following items are possible abiotic factors that an antelope has to contend with?​

Despite its low net primary productivity (NPP) ,the open ocean produces more of the earth's biomass per year than any other ecosystem or life zone because ____.

Of the following water cycle processes,the one working against gravity is

An organism can be described as a tertiary consumer if it eats ____.

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

Human activities have affected the sulfur cycle primarily by ____.

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

Food chains and food webs show how producers,consumers,and decomposers are connected to one another as chemical energy flows through different ____ in an ecosystem.

Net primary productivity (NPP) is the rate at which producers use photosynthesis to produce and store chemical energy minus ____.

Human activities have affected the sulfur cycle through the burning of sulfur-containing coal and oil.

Pronghorn antelope live in the high desert of the Great Basin in the western U.S.Which of the following items are possible abiotic factors that an antelope has to contend with?