Question 1

What would be the overall response of ecosystems in Namibia to increased rates of precipitation?

Accepted Answer

A) Plants and animals would suffer 
B) Plants and animals would thrive 
C) There would be no change in ecosystem success 
A) Plants and animals would suffer 
B) Plants and animals would thrive 
C) There would be no change in ecosystem success

Question 2

The diagram below shows that

Accepted Answer

A) ecosystem structures include both biotic and abiotic components. 
B) ecosystem functions include both biotic and abiotic components. 
C) ecosystem structures are abundant and usually considered limitless. 
D) ecosystem functions are abundant and usually considered limitless. 
A) ecosystem structures include both biotic and abiotic components. 
B) ecosystem functions include both biotic and abiotic components. 
C) ecosystem structures are abundant and usually considered limitless. 
D) ecosystem functions are abundant and usually considered limitless.

Question 3

Which of the following parts of the ocean are likely to support the lowest net primary productivity?

Accepted Answer

A) Areas beneath the subtropical highs 
B) Areas where upwelling is occurring 
C) Shallow seas 
D) Middle-to-high-latitude areas 
A) Areas beneath the subtropical highs 
B) Areas where upwelling is occurring 
C) Shallow seas 
D) Middle-to-high-latitude areas

Question 4

CAM plants

Accepted Answer

A) use energy sources at hydrothermal vents rather than sunlight to make food. 
B) sometimes conduct C₄ photosynthesis and conduct C₃ photosynthesis at other times. 
C) are those that are consumed by omnivores but not herbivores. 
D) are those that are consumed by herbivores but not omnivores. 
A) use energy sources at hydrothermal vents rather than sunlight to make food. 
B) sometimes conduct C₄ photosynthesis and conduct C₃ photosynthesis at other times. 
C) are those that are consumed by omnivores but not herbivores. 
D) are those that are consumed by herbivores but not omnivores.

Question 5

In the diagram below,the red line represents

Accepted Answer

A) K-selected species. 
B) omnivores. 
C) herbivores. 
D) r-selected species. 
A) K-selected species. 
B) omnivores. 
C) herbivores. 
D) r-selected species.

Question 6

How does the Volcano Arenal affect the local Costa Rican biosphere?

Accepted Answer

A) It creates new land on which organisms can establish themselves 
B) It encourages ecotourism,as the eruptions are relatively safe and nearly continuous 
C) It adds necessary nutrients to soil that support plant growth 
D) The volcano affects the biosphere in all these ways 
E) None of these choices are correct. 
A) It creates new land on which organisms can establish themselves 
B) It encourages ecotourism,as the eruptions are relatively safe and nearly continuous 
C) It adds necessary nutrients to soil that support plant growth 
D) The volcano affects the biosphere in all these ways 
E) None of these choices are correct.

Question 7

The major difference between richness and equitability is that

Accepted Answer

A) richness is a measure of biodiversity and equitability is a measure of competition. 
B) richness expresses how complicated the organisms that make up an ecosystem are,while equitability only considers the number of organisms. 
C) richness is a count of the number of species present in an ecosystem and equitability describes how evenly distributed the populations of each species are. 
D) richness describes the number of r-selected species in an ecosystem and equitability expresses the number of K-selected species in an ecosystem. 
A) richness is a measure of biodiversity and equitability is a measure of competition. 
B) richness expresses how complicated the organisms that make up an ecosystem are,while equitability only considers the number of organisms. 
C) richness is a count of the number of species present in an ecosystem and equitability describes how evenly distributed the populations of each species are. 
D) richness describes the number of r-selected species in an ecosystem and equitability expresses the number of K-selected species in an ecosystem.

Question 8

The Namibian coast is impacted most directly by

Accepted Answer

A) a warm surface ocean current. 
B) a cold surface ocean current. 
C) El Niño. 
D) La Nina. 
A) a warm surface ocean current. 
B) a cold surface ocean current. 
C) El Niño. 
D) La Nina.

Question 9

Which of the following conditions act to limit vegetation in Namibia?

Accepted Answer

A) Lack of humidity 
B) Little precipitation 
C) Aridisols 
D) All of the choices are correct. 
E) None of choices are correct. 
A) Lack of humidity 
B) Little precipitation 
C) Aridisols 
D) All of the choices are correct. 
E) None of choices are correct.

Question 10

An open system is characterized by

Accepted Answer

A) inputs of energy and matter that come from outside the system. 
B) energy and matter that are stored in the system,but not within the living tissue. 
C) negative feedbacks rather than positive feedbacks. 
D) the absence of secondary consumers. 
A) inputs of energy and matter that come from outside the system. 
B) energy and matter that are stored in the system,but not within the living tissue. 
C) negative feedbacks rather than positive feedbacks. 
D) the absence of secondary consumers.

Question 11

The lethal limit of a "eury" species is likely to be

Accepted Answer

A) higher than that of a "steno" species. 
B) lower than that of a "steno" species. 
C) both higher and lower than that of a "steno" species. 
D) neither higher nor lower than that of a "steno" species. 
A) higher than that of a "steno" species. 
B) lower than that of a "steno" species. 
C) both higher and lower than that of a "steno" species. 
D) neither higher nor lower than that of a "steno" species.

Question 12

In the diagram below,more oxygen is used up than is produced at

Accepted Answer

A) A. 
B) B. 
C) C. 
A) A. 
B) B. 
C) C.

Question 13

Species that live a long life and have only a few offspring,such as humans,can be characterized as

Accepted Answer

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

Question 14

The global trend in sulfur emissions can be characterized by

Accepted Answer

A) increasing rates of emission in almost every country. 
B) decreasing rates of emission in almost every country. 
C) decreasing rates of emission in the industrialized countries but increasing rates in the developing countries. 
D) increasing rates of emission in the industrialized countries but decreasing rates in the developing countries. 
A) increasing rates of emission in almost every country. 
B) decreasing rates of emission in almost every country. 
C) decreasing rates of emission in the industrialized countries but increasing rates in the developing countries. 
D) increasing rates of emission in the industrialized countries but decreasing rates in the developing countries.

Question 15

In the diagram below,the first law of thermodynamics is responsible for the processes depicted by

Accepted Answer

A) the purple squiggly lines only. 
B) the black arrows only. 
C) the brown arrows only. 
D) the yellow squiggly lines and the black arrows. 
E) the purple squiggly lines and the brown arrows. 
A) the purple squiggly lines only. 
B) the black arrows only. 
C) the brown arrows only. 
D) the yellow squiggly lines and the black arrows. 
E) the purple squiggly lines and the brown arrows.

Question 16

Assuming that all other factors are equal,on a hot summer afternoon the biological oxygen demand in a lake will be

Accepted Answer

A) low because metabolic reactions increase in high temperatures. 
B) high because metabolic reactions increase in high temperatures. 
C) low because metabolic reactions decrease in high temperatures. 
D) high because metabolic reactions decrease in high temperatures. 
A) low because metabolic reactions increase in high temperatures. 
B) high because metabolic reactions increase in high temperatures. 
C) low because metabolic reactions decrease in high temperatures. 
D) high because metabolic reactions decrease in high temperatures.

Question 17

Which of the following animals living in Namibia is at the top of the food web?

Accepted Answer

A) Meerkat 
B) Stone grasshopper 
C) Oryx 
D) Lion 
A) Meerkat 
B) Stone grasshopper 
C) Oryx 
D) Lion

Question 18

In the diagram below,the importance of the erupting volcano at "B" for the global carbon cycle is that

Accepted Answer

A) CO₂dissolved in magma rises with the magma and is released from solution into the atmosphere as pressures decrease,warming the Earth. 
B) the heat from the erupting volcano warms the atmosphere to such an extent that it can no longer retain CO₂in it,causing it to condense and cool the Earth. 
C) as the magma begins to cool when it reaches the surface,atmospheric CO₂is absorbed into it,cooling the Earth. 
D) atmospheric CO₂gets drawn into the volcanic caldera as soon as the magma exits the chamber,cooling the Earth. 
A) CO₂dissolved in magma rises with the magma and is released from solution into the atmosphere as pressures decrease,warming the Earth. 
B) the heat from the erupting volcano warms the atmosphere to such an extent that it can no longer retain CO₂in it,causing it to condense and cool the Earth. 
C) as the magma begins to cool when it reaches the surface,atmospheric CO₂is absorbed into it,cooling the Earth. 
D) atmospheric CO₂gets drawn into the volcanic caldera as soon as the magma exits the chamber,cooling the Earth.

Question 19

The largest reservoir or store of phosphorus can be found in

Accepted Answer

A) atmosphere. 
B) biota. 
C) soils. 
D) oceans. 
A) atmosphere. 
B) biota. 
C) soils. 
D) oceans.

Question 20

Which of these landscapes is not present in Namibia?

Accepted Answer

A) Swamps 
B) Desert 
C) Grasslands 
D) Mountains 
A) Swamps 
B) Desert 
C) Grasslands 
D) Mountains

What would be the overall response of ecosystems in Namibia to increased rates of precipitation?

The diagram below shows that

Which of the following parts of the ocean are likely to support the lowest net primary productivity?

CAM plants

In the diagram below,the red line represents

How does the Volcano Arenal affect the local Costa Rican biosphere?

The major difference between richness and equitability is that

The Namibian coast is impacted most directly by

Which of the following conditions act to limit vegetation in Namibia?

An open system is characterized by

The lethal limit of a "eury" species is likely to be

In the diagram below,more oxygen is used up than is produced at

Species that live a long life and have only a few offspring,such as humans,can be characterized as

The global trend in sulfur emissions can be characterized by

In the diagram below,the first law of thermodynamics is responsible for the processes depicted by

Assuming that all other factors are equal,on a hot summer afternoon the biological oxygen demand in a lake will be

Which of the following animals living in Namibia is at the top of the food web?

In the diagram below,the importance of the erupting volcano at "B" for the global carbon cycle is that

The largest reservoir or store of phosphorus can be found in

Which of these landscapes is not present in Namibia?

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Exam 17: Ecosystems and Biogeochemical Cycles

What would be the overall response of ecosystems in Namibia to increased rates of precipitation?

The diagram below shows that

Which of the following parts of the ocean are likely to support the lowest net primary productivity?

CAM plants

In the diagram below,the red line represents

How does the Volcano Arenal affect the local Costa Rican biosphere?

The major difference between richness and equitability is that

The Namibian coast is impacted most directly by

Which of the following conditions act to limit vegetation in Namibia?

An open system is characterized by

The lethal limit of a "eury" species is likely to be

In the diagram below,more oxygen is used up than is produced at

Species that live a long life and have only a few offspring,such as humans,can be characterized as

The global trend in sulfur emissions can be characterized by

In the diagram below,the first law of thermodynamics is responsible for the processes depicted by

Assuming that all other factors are equal,on a hot summer afternoon the biological oxygen demand in a lake will be

Which of the following animals living in Namibia is at the top of the food web?

In the diagram below,the importance of the erupting volcano at "B" for the global carbon cycle is that

The largest reservoir or store of phosphorus can be found in

Which of these landscapes is not present in Namibia?

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