Question 1

The total rate of energy capture by autotrophs is

Accepted Answer

A)  net primary production. 
B)  secondary production. 
C)  gross primary production. 
D)  always less than that of heterotrophs. 
E)  none of the above 
A)  net primary production. 
B)  secondary production. 
C)  gross primary production. 
D)  always less than that of heterotrophs. 
E)  none of the above

Question 2

Which of the following is a mismatch?

Accepted Answer

A)  ingestion efficiency/energy consumed/energy available 
B)  assimilation efficiency/energy assimilated/energy ingested 
C)  production efficiency/energy produced by photosynthesis/solar energy available 
D)  production efficiency/energy in new tissue/energy assimilated 
E)  none of the above 
A)  ingestion efficiency/energy consumed/energy available 
B)  assimilation efficiency/energy assimilated/energy ingested 
C)  production efficiency/energy produced by photosynthesis/solar energy available 
D)  production efficiency/energy in new tissue/energy assimilated 
E)  none of the above

Question 3

Bioaccumulation is the result of biomagnification.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is an electron donor in chemoautotrophs?

Accepted Answer

A)  NO32- 
B)  CO2 
C)  SO42- 
D)  H2S 
E)  none of the above 
A)  NO32- 
B)  CO2 
C)  SO42- 
D)  H2S 
E)  none of the above

Question 5

Wolf reintroduction to Yellowstone

Accepted Answer

A)  demonstrated the effect of bottom-up control. 
B)  led to a decline in aspen reproduction. 
C)  changed the behavior of elk. 
D)  led to longer food chains in the Yellowstone food web. 
E)  none of the above 
A)  demonstrated the effect of bottom-up control. 
B)  led to a decline in aspen reproduction. 
C)  changed the behavior of elk. 
D)  led to longer food chains in the Yellowstone food web. 
E)  none of the above

Question 6

EDDY analysis is based on

Accepted Answer

A)  the measurement of chlorophyll. 
B)  measuring production in individual plants. 
C)  the assumption that respiration = production. 
D)  daily changes in atmospheric CO2. 
E)  none of the above 
A)  the measurement of chlorophyll. 
B)  measuring production in individual plants. 
C)  the assumption that respiration = production. 
D)  daily changes in atmospheric CO2. 
E)  none of the above

Question 7

The loss of energy between trophic levels

Accepted Answer

A)  determines the structure of ecosystems. 
B)  is an apparent violation of the second law of thermodynamics. 
C)  depends on the rate of primary production. 
D)  is due to the inefficiency of photosynthesis. 
E)  none of the above 
A)  determines the structure of ecosystems. 
B)  is an apparent violation of the second law of thermodynamics. 
C)  depends on the rate of primary production. 
D)  is due to the inefficiency of photosynthesis. 
E)  none of the above

Question 8

How do we know when photosynthesis evolved?

Accepted Answer

(1) the presence of rust (oxid

Question 9

How do the laws of thermodynamics determine the flow of energy in an ecosystem?

Accepted Answer

Because no energy transfer is

Question 10

Accessory pigments capture light of different wavelengths.

Accepted Answer

A) True 
 B)False

Question 11

The evolution of photosynthesis

Accepted Answer

A)  could only have happened on land. 
B)  led to more complex life forms. 
C)  led to the evolution of cyanobacteria. 
D)  arose at deep hydrothermal vents. 
E)  none of the above 
A)  could only have happened on land. 
B)  led to more complex life forms. 
C)  led to the evolution of cyanobacteria. 
D)  arose at deep hydrothermal vents. 
E)  none of the above

Question 12

Chemoautotrophs do not require an electron donor.

Accepted Answer

A) True 
 B)False

Question 13

Heat loss from an organism is

Accepted Answer

A)  an example of negative allometry. 
B)  an example of isometry. 
C)  proportional to the organism's volume. 
D)  proportional to the organism's surface area. 
E)  none of the above 
A)  an example of negative allometry. 
B)  an example of isometry. 
C)  proportional to the organism's volume. 
D)  proportional to the organism's surface area. 
E)  none of the above

Question 14

Which of the following is not a limiting factor in primary production?

Accepted Answer

A)  water 
B)  oxygen 
C)  micronutrients 
D)  red light 
E)  none of the above 
A)  water 
B)  oxygen 
C)  micronutrients 
D)  red light 
E)  none of the above

The total rate of energy capture by autotrophs is

Which of the following is a mismatch?

Bioaccumulation is the result of biomagnification.

Which of the following is an electron donor in chemoautotrophs?

Wolf reintroduction to Yellowstone

EDDY analysis is based on

The loss of energy between trophic levels

How do we know when photosynthesis evolved?

How do the laws of thermodynamics determine the flow of energy in an ecosystem?

Accessory pigments capture light of different wavelengths.

The evolution of photosynthesis

Chemoautotrophs do not require an electron donor.

Heat loss from an organism is

Which of the following is not a limiting factor in primary production?

Introduction to Ecology

Adaptation and Evolution

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

The Ecology of Intraspecific Variation

Demography

Population Regulation

Life History Strategies

Competition

Coevolution I Exploitative Interactions

Mutualism

The Structure of Communities

Ecological Succession

Species Diversity

Biogeochemical Cycles

Conservation Biology

Landscape Ecology

Human Global Ecology

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Exam 17: Energy Flow and Trophic Structure

The total rate of energy capture by autotrophs is

Which of the following is a mismatch?

Bioaccumulation is the result of biomagnification.

Which of the following is an electron donor in chemoautotrophs?

Wolf reintroduction to Yellowstone

EDDY analysis is based on

The loss of energy between trophic levels

How do we know when photosynthesis evolved?

How do the laws of thermodynamics determine the flow of energy in an ecosystem?

Accessory pigments capture light of different wavelengths.

The evolution of photosynthesis

Chemoautotrophs do not require an electron donor.

Heat loss from an organism is

Which of the following is not a limiting factor in primary production?

Introduction to Ecology

Adaptation and Evolution

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

The Ecology of Intraspecific Variation

Demography

Population Regulation

Life History Strategies

Competition

Coevolution I Exploitative Interactions

Mutualism

The Structure of Communities

Ecological Succession

Species Diversity

Biogeochemical Cycles

Conservation Biology

Landscape Ecology

Human Global Ecology

Filters