Question 1

It is common for the predator population to lag behind the prey population by about

Accepted Answer

A) a quarter of a cycle. 
B) a third of a cycle. 
C) half of a cycle. 
D) one cycle. 
A) a quarter of a cycle. 
B) a third of a cycle. 
C) half of a cycle. 
D) one cycle.

Question 2

An example of parasitism is

Accepted Answer

A) a bird that eats ticks from a zebra's skin. 
B) Spanish moss that hangs from a live oak tree. 
C) the bacteria that causes pneumonia. 
D) the needles on a cactus. 
A) a bird that eats ticks from a zebra's skin. 
B) Spanish moss that hangs from a live oak tree. 
C) the bacteria that causes pneumonia. 
D) the needles on a cactus.

Question 3

Ecology is the study of how

Accepted Answer

A) organisms and populations of organisms interact with one another and with the nonliving components of their environment. 
B) people interact with their environment. 
C) pollution reduces the productivity and health of the environment. 
D) the lithosphere,biosphere,and hydrosphere interact with each other. 
A) organisms and populations of organisms interact with one another and with the nonliving components of their environment. 
B) people interact with their environment. 
C) pollution reduces the productivity and health of the environment. 
D) the lithosphere,biosphere,and hydrosphere interact with each other.

Question 4

Food webs like the one shown below generally show

Accepted Answer

A) consumers only at the secondary level and above. 
B) the degree of interdependence between organisms in ecosystems. 
C) all of the structures in an ecosystem. 
D) less information than a food chain. 
A) consumers only at the secondary level and above. 
B) the degree of interdependence between organisms in ecosystems. 
C) all of the structures in an ecosystem. 
D) less information than a food chain.

Question 5

The largest amount of carbon is involved in

Accepted Answer

A) natural fire. 
B) biological processes in the oceans. 
C) respiration from land organisms. 
D) fossil fuels. 
A) natural fire. 
B) biological processes in the oceans. 
C) respiration from land organisms. 
D) fossil fuels.

Question 6

In the Calvin cycle of photosynthesis,

Accepted Answer

A) chlorophyll in the chloroplasts fixes insolation,exciting electrons. 
B) molecules of ATP and NADPH are made. 
C) ATP and NADPH are used to fix CO₂from the air to create organic molecules (sugars). 
D) O₂is the input and CO₂is released. 
A) chlorophyll in the chloroplasts fixes insolation,exciting electrons. 
B) molecules of ATP and NADPH are made. 
C) ATP and NADPH are used to fix CO₂from the air to create organic molecules (sugars). 
D) O₂is the input and CO₂is released.

Question 7

The Haber-Bosch process is important because it is a

Accepted Answer

A) technique for fertilizing the ocean to increase productivity of ecosystems. 
B) mechanism by which human activities alter the global nitrogen cycle. 
C) process by which tropospheric ozone forms. 
D) means by which oil and gas are extracted from geologic formations in the lithosphere. 
A) technique for fertilizing the ocean to increase productivity of ecosystems. 
B) mechanism by which human activities alter the global nitrogen cycle. 
C) process by which tropospheric ozone forms. 
D) means by which oil and gas are extracted from geologic formations in the lithosphere.

Question 8

Secondary succession would begin to take place after an ecosystem is disrupted by a

Accepted Answer

A) glaciation. 
B) volcanic eruption. 
C) deforestation. 
D) nuclear meltdown. 
A) glaciation. 
B) volcanic eruption. 
C) deforestation. 
D) nuclear meltdown.

Question 9

Owls begin migrating to an area to feed on a particular mouse species,but the mice have ingested a toxin (to owls)that begins to keep the owl population in check,which then causes the mouse population to increase,until more owls move into the area,and so on.This is an example of a

Accepted Answer

A) positive feedback system. 
B) negative feedback system. 
C) detritivore. 
D) chemosynthesis. 
A) positive feedback system. 
B) negative feedback system. 
C) detritivore. 
D) chemosynthesis.

Question 10

The diagram below illustrates the process of

Accepted Answer

A) regelation. 
B) eutrophication. 
C) carbonation. 
D) illuviation. 
A) regelation. 
B) eutrophication. 
C) carbonation. 
D) illuviation.

Question 11

The left half of the diagram below represents the component of photosynthesis that

Accepted Answer

A) occurs only in plants that have relatively large chloroplasts. 
B) occurs only in plants that have relatively small chloroplasts. 
C) can happen whether sunlight is present or not. 
D) requires the presence of sunlight. 
A) occurs only in plants that have relatively large chloroplasts. 
B) occurs only in plants that have relatively small chloroplasts. 
C) can happen whether sunlight is present or not. 
D) requires the presence of sunlight.

Question 12

In the diagram below,the red arrows represent

Accepted Answer

A) fluxes that are increasing over time. 
B) fluxes that have little environmental impact. 
C) fluxes that are constant across time. 
D) human-influenced fluxes. 
A) fluxes that are increasing over time. 
B) fluxes that have little environmental impact. 
C) fluxes that are constant across time. 
D) human-influenced fluxes.

Question 13

Which of the following is true about the general geographic distribution of richness and equitability?

Accepted Answer

A) Both richness and equitability,and therefore biodiversity,increase from the tropics to the poles. 
B) Both richness and equitability,and therefore biodiversity,decrease from the tropics to the poles. 
C) Richness decreases from tropical areas to polar areas; equitability may increase toward the poles,but overall,biodiversity decreases from the tropics to the poles. 
D) Richness increases from tropical areas to polar areas; equitability may decrease toward the poles,but overall,biodiversity increases from the tropics to the poles. 
A) Both richness and equitability,and therefore biodiversity,increase from the tropics to the poles. 
B) Both richness and equitability,and therefore biodiversity,decrease from the tropics to the poles. 
C) Richness decreases from tropical areas to polar areas; equitability may increase toward the poles,but overall,biodiversity decreases from the tropics to the poles. 
D) Richness increases from tropical areas to polar areas; equitability may decrease toward the poles,but overall,biodiversity increases from the tropics to the poles.

Question 14

Of the following animals in Namibia that compete for many of the same resources,which one has carved out a niche by living in a more marine environment?

Accepted Answer

A) Southern yellow-billed hornbill 
B) Zebra 
C) Oryx 
D) Lion 
A) Southern yellow-billed hornbill 
B) Zebra 
C) Oryx 
D) Lion

Question 15

The diagram below conveys the idea that

Accepted Answer

A) oceanic subduction zones are areas where ecosystems are particularly rich. 
B) biogeochemical cycles store and cycle matter across the different spheres. 
C) diversity is only one indicator of an ecosystem's health. 
D) life tends to exist in clumps with little between the productive areas. 
A) oceanic subduction zones are areas where ecosystems are particularly rich. 
B) biogeochemical cycles store and cycle matter across the different spheres. 
C) diversity is only one indicator of an ecosystem's health. 
D) life tends to exist in clumps with little between the productive areas.

Question 16

The diagram below reminds us that

Accepted Answer

A) ecosystem structures tend to occur on land and ecosystem functions tend to occur on water. 
B) ecosystem functions are dynamic processes that support the ecosystem. 
C) ecosystem structures and functions are largely the same in most ecosystems. 
D) ecosystem functions occur on long time periods. 
A) ecosystem structures tend to occur on land and ecosystem functions tend to occur on water. 
B) ecosystem functions are dynamic processes that support the ecosystem. 
C) ecosystem structures and functions are largely the same in most ecosystems. 
D) ecosystem functions occur on long time periods.

Question 17

NOx reacts with what in the formation and intensification of particulate matter,which is linked to haze,decreasing visibility,and respiratory ailments?

Accepted Answer

A) carbon dioxide (CO₂) 
B) methane (CH₄) 
C) ammonia (NH₃) 
D) sulfuric acid (H₂SO₄) 
A) carbon dioxide (CO₂) 
B) methane (CH₄) 
C) ammonia (NH₃) 
D) sulfuric acid (H₂SO₄)

Question 18

Which of the following is not true about protecting biodiversity?

Accepted Answer

A) Once a species is lost from an area,it isn't typically re-introduced because doing so would endanger other species in that ecosystem. 
B) The mining industry exerts a serious threat to biodiversity. 
C) Gene and seed banks provide insurance for the long-term survival of species. 
D) The cultivation of densely planted energy crops grown in tropical ecosystems to provide biofuels is a threat to biodiversity. 
A) Once a species is lost from an area,it isn't typically re-introduced because doing so would endanger other species in that ecosystem. 
B) The mining industry exerts a serious threat to biodiversity. 
C) Gene and seed banks provide insurance for the long-term survival of species. 
D) The cultivation of densely planted energy crops grown in tropical ecosystems to provide biofuels is a threat to biodiversity.

Question 19

The impact of humans on the global sulfur cycle is

Accepted Answer

A) very small since sulfur emission has been banned by international treaty. 
B) very small at the global scale but can be large locally. 
C) large at the global scale but usually small locally. 
D) moderate and relatively evenly distributed across space. 
A) very small since sulfur emission has been banned by international treaty. 
B) very small at the global scale but can be large locally. 
C) large at the global scale but usually small locally. 
D) moderate and relatively evenly distributed across space.

Question 20

Species that reproduce quickly and have offspring that are likely to die before reaching maturity are known as

Accepted Answer

A) K-selected. 
B) r-selected. 
C) autotrophs. 
D) omnivores. 
A) K-selected. 
B) r-selected. 
C) autotrophs. 
D) omnivores.

It is common for the predator population to lag behind the prey population by about

An example of parasitism is

Ecology is the study of how

Food webs like the one shown below generally show

The largest amount of carbon is involved in

In the Calvin cycle of photosynthesis,

The Haber-Bosch process is important because it is a

Secondary succession would begin to take place after an ecosystem is disrupted by a

Owls begin migrating to an area to feed on a particular mouse species,but the mice have ingested a toxin (to owls)that begins to keep the owl population in check,which then causes the mouse population to increase,until more owls move into the area,and so on.This is an example of a

The diagram below illustrates the process of

The left half of the diagram below represents the component of photosynthesis that

In the diagram below,the red arrows represent

Which of the following is true about the general geographic distribution of richness and equitability?

Of the following animals in Namibia that compete for many of the same resources,which one has carved out a niche by living in a more marine environment?

The diagram below conveys the idea that

The diagram below reminds us that

NOx reacts with what in the formation and intensification of particulate matter,which is linked to haze,decreasing visibility,and respiratory ailments?

Which of the following is not true about protecting biodiversity?

The impact of humans on the global sulfur cycle is

Species that reproduce quickly and have offspring that are likely to die before reaching maturity are known as

The Nature of Physical Geography

Energy and Matter in the Atmosphere

Atmospheric Motion

Atmospheric Moisture

Weather Systems and Severe Weather

Atmosphere-Ocean-Cryosphere Interactions

Climates Around the World

Water Resources

Understanding Landscapes

Plate Tectonics and Regional Features

Volcanoes,deformation,and Earthquakes

Weathering and Mass Wasting

Streams and Flooding

Glaciers and Glacial Landforms

Coasts and Changing Sea Levels

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Exam 17: Ecosystems and Biogeochemical Cycles

It is common for the predator population to lag behind the prey population by about

An example of parasitism is

Ecology is the study of how

Food webs like the one shown below generally show

The largest amount of carbon is involved in

In the Calvin cycle of photosynthesis,

The Haber-Bosch process is important because it is a

Secondary succession would begin to take place after an ecosystem is disrupted by a

Owls begin migrating to an area to feed on a particular mouse species,but the mice have ingested a toxin (to owls)that begins to keep the owl population in check,which then causes the mouse population to increase,until more owls move into the area,and so on.This is an example of a

The diagram below illustrates the process of

The left half of the diagram below represents the component of photosynthesis that

In the diagram below,the red arrows represent

Which of the following is true about the general geographic distribution of richness and equitability?

Of the following animals in Namibia that compete for many of the same resources,which one has carved out a niche by living in a more marine environment?

The diagram below conveys the idea that

The diagram below reminds us that

NOx reacts with what in the formation and intensification of particulate matter,which is linked to haze,decreasing visibility,and respiratory ailments?

Which of the following is not true about protecting biodiversity?

The impact of humans on the global sulfur cycle is

Species that reproduce quickly and have offspring that are likely to die before reaching maturity are known as

The Nature of Physical Geography

Energy and Matter in the Atmosphere

Atmospheric Motion

Atmospheric Moisture

Weather Systems and Severe Weather

Atmosphere-Ocean-Cryosphere Interactions

Climates Around the World

Water Resources

Understanding Landscapes

Plate Tectonics and Regional Features

Volcanoes,deformation,and Earthquakes

Weathering and Mass Wasting

Streams and Flooding

Glaciers and Glacial Landforms

Coasts and Changing Sea Levels

Soils

Biomes

Filters