Question 1

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is known as the

Accepted Answer

A)  altitude-latitude hypothesis. 
B)  vegetation similarity theory. 
C)  the life zone concept. 
D)  altitudinal zonation principle. 
A)  altitude-latitude hypothesis. 
B)  vegetation similarity theory. 
C)  the life zone concept. 
D)  altitudinal zonation principle.

Question 2

From the perspective of energy, which of the following is the most efficient trophic level?

Accepted Answer

A)  primary producer 
B)  primary consumer 
C)  secondary consumer 
D)  tertiary consumer 
A)  primary producer 
B)  primary consumer 
C)  secondary consumer 
D)  tertiary consumer

Question 3

Different patches across a landscape may be at different successional stages.

Accepted Answer

A) True 
 B)False

Question 4

Energy flows through an ecosystem along an idealized unidirectional pathway called a

Accepted Answer

A)  food web. 
B)  niche order. 
C)  trophic cascade. 
D)  food chain. 
A)  food web. 
B)  niche order. 
C)  trophic cascade. 
D)  food chain.

Question 5

What is biogeography? What subjects do biogeographers study? What is ecology? How does biogeography vary from ecology?

Accepted Answer

Biogeography is the study of the distrib

Question 6

Plants colonizing bare rock after a volcanic eruption denudes the area is an example of primary succession.

Accepted Answer

A) True 
 B)False

Question 7

The gaseous oxygen in the Earth's atmosphere was produced as a by-product of

Accepted Answer

A)  volcanic outgassing. 
B)  photochemical reactions breaking down ozone (O₃) to form oxygen (O₂). 
C)  photosynthesis. 
D)  decay of organic matter. 
A)  volcanic outgassing. 
B)  photochemical reactions breaking down ozone (O₃) to form oxygen (O₂). 
C)  photosynthesis. 
D)  decay of organic matter.

Question 8

Consider the ecology of the region in which you live. Which organisms are the primary producers, the primary consumers, the secondary consumers, and tertiary consumers.

Accepted Answer

Answers will vary. Students answers shou

Question 9

The difference between the photosynthetic production of carbohydrates and the respiration loss of carbohydrates is known as

Accepted Answer

A)  net primary productivity. 
B)  compensation point. 
C)  net photosynthesis. 
D)  free air CO₂ enrichment. 
A)  net primary productivity. 
B)  compensation point. 
C)  net photosynthesis. 
D)  free air CO₂ enrichment.

Question 10

Respiration involves

Accepted Answer

A)  the use of heat energy to react carbon dioxide with water to produce oxygen. 
B)  a chemical reaction between carbohydrates and oxygen to produce carbon dioxide, water, and heat energy. 
C)  a photochemical reaction involving carbon dioxide and water to produce carbohydrates and oxygen. 
D)  a photochemical reaction involving carbon dioxide and oxygen to produce water and oxygen. 
A)  the use of heat energy to react carbon dioxide with water to produce oxygen. 
B)  a chemical reaction between carbohydrates and oxygen to produce carbon dioxide, water, and heat energy. 
C)  a photochemical reaction involving carbon dioxide and water to produce carbohydrates and oxygen. 
D)  a photochemical reaction involving carbon dioxide and oxygen to produce water and oxygen.

Question 11

A consumer, such as a bear, that eats both producers (plants) and consumers (animals) is a

Accepted Answer

A)  herbivore. 
B)  carnivore. 
C)  omnivore. 
D)  detritivore. 
A)  herbivore. 
B)  carnivore. 
C)  omnivore. 
D)  detritivore.

Question 12

Consider a simple food chain in which a grasshopper eats grass, the grasshopper is eaten by a frog, and the frog is eaten by a snake. Which of the following is not correctly matched

Accepted Answer

A)  grass - autotroph 
B)  grasshopper - herbivore 
C)  frog - secondary consumer 
D)  snake - primary consumer 
A)  grass - autotroph 
B)  grasshopper - herbivore 
C)  frog - secondary consumer 
D)  snake - primary consumer

Question 13

When a community is disturbed to the point that most or all of its species are eliminated, a process called ________ occurs in which the area undergoes a series of changes in species composition as newer communities replace older ones.

Accepted Answer

A)  rejuvenation 
B)  mass extinction 
C)  ecological succession 
D)  patch dynamics 
A)  rejuvenation 
B)  mass extinction 
C)  ecological succession 
D)  patch dynamics

Question 14

Which of the following is not a biotic component of an ecosystem?

Accepted Answer

A)  plants 
B)  animals 
C)  bacteria 
D)  mineral nutrients 
A)  plants 
B)  animals 
C)  bacteria 
D)  mineral nutrients

Question 15

A study of the dietary requirements of African bush elephants (Loxodonta africana) in a savanna environment, and the role the elephants play in that environment, would be an example of a topic studied in

Accepted Answer

A)  biogeography. 
B)  ecology. 
C)  pedology. 
D)  plant biology. 
A)  biogeography. 
B)  ecology. 
C)  pedology. 
D)  plant biology.

Question 16

Chlorophyll reflects predominately ________ wavelengths of visible light.

Accepted Answer

A)  red 
B)  blue 
C)  green 
D)  indigo 
A)  red 
B)  blue 
C)  green 
D)  indigo

Question 17

Which of the following is not correct regarding nitrogen.

Accepted Answer

A)  The atmosphere contains about 78% nitrogen. 
B)  Bacterial action is key to the nitrogen cycle. 
C)  Atmospheric nitrogen is accessible directly to most organisms. 
D)  Nitrogen is very important to organisms. 
A)  The atmosphere contains about 78% nitrogen. 
B)  Bacterial action is key to the nitrogen cycle. 
C)  Atmospheric nitrogen is accessible directly to most organisms. 
D)  Nitrogen is very important to organisms.

Question 18

Which of the following is not considered among the greatest anthopogenic threats to biodiversity?

Accepted Answer

A)  habitat loss 
B)  introduction of non-native species 
C)  air, water, and soil pollution 
D)  climate change 
E)  habitat loss, non-native species, pollution, and climate change all represent threats to biodiversity 
A)  habitat loss 
B)  introduction of non-native species 
C)  air, water, and soil pollution 
D)  climate change 
E)  habitat loss, non-native species, pollution, and climate change all represent threats to biodiversity

Question 19

A stable ecosystem is one that is not undergoing any change.

Accepted Answer

A) True 
 B)False

Question 20

A study of the spatial distribution of the coast redwood (Sequoia sempervirens) and the environmental factors that control that distribution would be an example of a topic studied in

Accepted Answer

A)  biogeography. 
B)  ecology. 
C)  pedology. 
D)  plant biology. 
A)  biogeography. 
B)  ecology. 
C)  pedology. 
D)  plant biology.

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is known as the

From the perspective of energy, which of the following is the most efficient trophic level?

Different patches across a landscape may be at different successional stages.

Energy flows through an ecosystem along an idealized unidirectional pathway called a

What is biogeography? What subjects do biogeographers study? What is ecology? How does biogeography vary from ecology?

Plants colonizing bare rock after a volcanic eruption denudes the area is an example of primary succession.

The gaseous oxygen in the Earth's atmosphere was produced as a by-product of

Consider the ecology of the region in which you live. Which organisms are the primary producers, the primary consumers, the secondary consumers, and tertiary consumers.

The difference between the photosynthetic production of carbohydrates and the respiration loss of carbohydrates is known as

Respiration involves

A consumer, such as a bear, that eats both producers (plants) and consumers (animals) is a

Consider a simple food chain in which a grasshopper eats grass, the grasshopper is eaten by a frog, and the frog is eaten by a snake. Which of the following is not correctly matched

When a community is disturbed to the point that most or all of its species are eliminated, a process called ________ occurs in which the area undergoes a series of changes in species composition as newer communities replace older ones.

Which of the following is not a biotic component of an ecosystem?

A study of the dietary requirements of African bush elephants (Loxodonta africana) in a savanna environment, and the role the elephants play in that environment, would be an example of a topic studied in

Chlorophyll reflects predominately ________ wavelengths of visible light.

Which of the following is not correct regarding nitrogen.

Which of the following is not considered among the greatest anthopogenic threats to biodiversity?

A stable ecosystem is one that is not undergoing any change.

A study of the spatial distribution of the coast redwood (Sequoia sempervirens) and the environmental factors that control that distribution would be an example of a topic studied in

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Terrestrial Biomes

Filters

Exam 19: Ecosystem Essentials

The zonation of flora and fauna along an altitudinal transect similar to that found along latitudinal transects is known as the

From the perspective of energy, which of the following is the most efficient trophic level?

Different patches across a landscape may be at different successional stages.

Energy flows through an ecosystem along an idealized unidirectional pathway called a

What is biogeography? What subjects do biogeographers study? What is ecology? How does biogeography vary from ecology?

Plants colonizing bare rock after a volcanic eruption denudes the area is an example of primary succession.

The gaseous oxygen in the Earth's atmosphere was produced as a by-product of

Consider the ecology of the region in which you live. Which organisms are the primary producers, the primary consumers, the secondary consumers, and tertiary consumers.

The difference between the photosynthetic production of carbohydrates and the respiration loss of carbohydrates is known as

Respiration involves

A consumer, such as a bear, that eats both producers (plants) and consumers (animals) is a

Consider a simple food chain in which a grasshopper eats grass, the grasshopper is eaten by a frog, and the frog is eaten by a snake. Which of the following is not correctly matched

When a community is disturbed to the point that most or all of its species are eliminated, a process called ________ occurs in which the area undergoes a series of changes in species composition as newer communities replace older ones.

Which of the following is not a biotic component of an ecosystem?

A study of the dietary requirements of African bush elephants (Loxodonta africana) in a savanna environment, and the role the elephants play in that environment, would be an example of a topic studied in

Chlorophyll reflects predominately ________ wavelengths of visible light.

Which of the following is not correct regarding nitrogen.

Which of the following is not considered among the greatest anthopogenic threats to biodiversity?

A stable ecosystem is one that is not undergoing any change.

A study of the spatial distribution of the coast redwood (Sequoia sempervirens) and the environmental factors that control that distribution would be an example of a topic studied in

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Terrestrial Biomes

Filters