Question 1

An age pyramid with a broad base that quickly slopes up to a narrow top would be indicative of ________.

Accepted Answer

A)  an industrialized nation 
B)  a developing nation 
C)  a population with a high average age 
D)  a population with a low survivorship of children 
A)  an industrialized nation 
B)  a developing nation 
C)  a population with a high average age 
D)  a population with a low survivorship of children

Question 2

Which growth model would you expect to see in a stable population?

Accepted Answer

A)  Logistic 
B)  Speculative 
C)  Factorial 
D)  Exponential 
A)  Logistic 
B)  Speculative 
C)  Factorial 
D)  Exponential

Question 3

A dispersion pattern refers to ________.

Accepted Answer

A)  the density of organisms in a habitat 
B)  the extinction rates of a species 
C)  the spacing of organism throughout a habitat 
D)  the diversity of species found in a habitat 
A)  the density of organisms in a habitat 
B)  the extinction rates of a species 
C)  the spacing of organism throughout a habitat 
D)  the diversity of species found in a habitat

Question 4

Where would a coral reef most likely be found?

Accepted Answer

A)  In the oceanic benthic realm below the continental shelf 
B)  In an estuary 
C)  In the deep sea 
D)  In the oceanic photic zone 
A)  In the oceanic benthic realm below the continental shelf 
B)  In an estuary 
C)  In the deep sea 
D)  In the oceanic photic zone

Question 5

There have been several mass extinctions in the planet's history,such as the extinction of the dinosaurs,but the current mass extinction is different.Greater numbers of species are now going extinct faster than ever before.Also unique to the current mass extinction is the cause.What is causing the current mass extinction?

Accepted Answer

A)  Man's direct activities 
B)  Climate change 
C)  Rising sea levels 
D)  Solar flares 
A)  Man's direct activities 
B)  Climate change 
C)  Rising sea levels 
D)  Solar flares

Question 6

The tendency of toxins to accumulate in top predators is called biological ________.

Accepted Answer

A)  magnification 
B)  remediation 
C)  mitigation 
D)  concentration 
A)  magnification 
B)  remediation 
C)  mitigation 
D)  concentration

Question 7

Which of the following is not an example of goods and services provided by the environment?

Accepted Answer

A)  Raw materials for goods we use every day, such as wood 
B)  Water treatment 
C)  The control of erosion 
D)  All of the above are examples of goods and services provided by the environment. 
A)  Raw materials for goods we use every day, such as wood 
B)  Water treatment 
C)  The control of erosion 
D)  All of the above are examples of goods and services provided by the environment.

Question 8

The Asian kudzu bug (Megacopta cribaria)arrived in Atlanta in 2009 and is quickly spreading across the South.In addition to eating kudzu,it also eats soybeans and can decimate entire crops.The kudzu bug is a type of ________ species.

Accepted Answer

A)  control 
B)  keystone 
C)  umbrella 
D)  invasive 
A)  control 
B)  keystone 
C)  umbrella 
D)  invasive

Question 9

What type of species,if removed from the community,could lead to the collapse of the entire community?

Accepted Answer

A)  Endemic species 
B)  Keystone species 
C)  Indicator species 
D)  Flagship species 
A)  Endemic species 
B)  Keystone species 
C)  Indicator species 
D)  Flagship species

Question 10

Terrestrial biomes are defined in a large part by ________.

Accepted Answer

A)  the animals that live there 
B)  the plants that live there 
C)  the altitude 
D)  the longitude 
A)  the animals that live there 
B)  the plants that live there 
C)  the altitude 
D)  the longitude

Question 11

Phytoplankton is an example of a ________.

Accepted Answer

A)  producer 
B)  consumer 
C)  herbivore 
D)  decomposer 
A)  producer 
B)  consumer 
C)  herbivore 
D)  decomposer

Question 12

The practice of "eating down the food chain" refers to eating more plant material and less herbivores.Explain how this is a more efficient use of energy.

Accepted Answer

Approximately 90% of the energy present

Question 13

Ecology is best defined as the study of ________.

Accepted Answer

A)  the relationships between parasites and their hosts 
B)  the interactions between living organisms and their environments 
C)  plant succession 
D)  interactions between predator and prey populations 
A)  the relationships between parasites and their hosts 
B)  the interactions between living organisms and their environments 
C)  plant succession 
D)  interactions between predator and prey populations

Question 14

What is the name of the model of maximum rate of population growth?

Accepted Answer

A)  Logistic 
B)  Speculative 
C)  Factorial 
D)  Exponential 
A)  Logistic 
B)  Speculative 
C)  Factorial 
D)  Exponential

Question 15

Ecology is a science that can be carried out by ________.

Accepted Answer

A)  learning via discovery 
B)  having hypotheses that are then tested 
C)  both A and B 
D)  neither C nor D 
A)  learning via discovery 
B)  having hypotheses that are then tested 
C)  both A and B 
D)  neither C nor D

Question 16

The bird-tick relationship is an example of ________.

Accepted Answer

A)  parasitism 
B)  mutualism 
C)  predator-prey 
D)  commensalism 
A)  parasitism 
B)  mutualism 
C)  predator-prey 
D)  commensalism

Question 17

Human birth rate peaked in the 1980s and has been slowly declining ever since.How is this expected to affect our population size over the next several decades?

Accepted Answer

A)  The human population size will begin to decline. 
B)  The human population size will continue to increase, but not as fast as before. 
C)  The human population size will level off. 
D)  The human population size will continue to increase at the same rate it has for the past 100 years. 
A)  The human population size will begin to decline. 
B)  The human population size will continue to increase, but not as fast as before. 
C)  The human population size will level off. 
D)  The human population size will continue to increase at the same rate it has for the past 100 years.

Question 18

What are the main causes of biodiversity loss?

Accepted Answer

A)  Habitat destruction, overharvesting, and invasive species 
B)  Invasive species, pollution, and climate change 
C)  Habitat destruction, invasive species, and climate change 
D)  Habitat destruction, overharvesting, invasive species, pollution, and climate change 
A)  Habitat destruction, overharvesting, and invasive species 
B)  Invasive species, pollution, and climate change 
C)  Habitat destruction, invasive species, and climate change 
D)  Habitat destruction, overharvesting, invasive species, pollution, and climate change

Question 19

Species diversity is highest when ________.

Accepted Answer

A)  species richness is high and relative abundance is unevenly distributed 
B)  species richness is low and relative abundance is unevenly distributed 
C)  species richness is high and relative abundance is evenly distributed 
D)  species richness is low and relative abundance is evenly distributed 
A)  species richness is high and relative abundance is unevenly distributed 
B)  species richness is low and relative abundance is unevenly distributed 
C)  species richness is high and relative abundance is evenly distributed 
D)  species richness is low and relative abundance is evenly distributed

Question 20

How does an increase in atmospheric greenhouse gases increase global temperatures?

Accepted Answer

A)  By preventing some of the heat from escaping the planet's surface 
B)  By decreasing the ozone layer in the atmosphere 
C)  By increasing the amount of heat from the sun that reaches the planet's surface 
D)  By reacting with each other 
A)  By preventing some of the heat from escaping the planet's surface 
B)  By decreasing the ozone layer in the atmosphere 
C)  By increasing the amount of heat from the sun that reaches the planet's surface 
D)  By reacting with each other

An age pyramid with a broad base that quickly slopes up to a narrow top would be indicative of ________.

Which growth model would you expect to see in a stable population?

A dispersion pattern refers to ________.

Where would a coral reef most likely be found?

The tendency of toxins to accumulate in top predators is called biological ________.

Which of the following is not an example of goods and services provided by the environment?

The Asian kudzu bug (Megacopta cribaria)arrived in Atlanta in 2009 and is quickly spreading across the South.In addition to eating kudzu,it also eats soybeans and can decimate entire crops.The kudzu bug is a type of ________ species.

What type of species,if removed from the community,could lead to the collapse of the entire community?

Terrestrial biomes are defined in a large part by ________.

Phytoplankton is an example of a ________.

The practice of "eating down the food chain" refers to eating more plant material and less herbivores.Explain how this is a more efficient use of energy.

Ecology is best defined as the study of ________.

What is the name of the model of maximum rate of population growth?

Ecology is a science that can be carried out by ________.

The bird-tick relationship is an example of ________.

Human birth rate peaked in the 1980s and has been slowly declining ever since.How is this expected to affect our population size over the next several decades?

What are the main causes of biodiversity loss?

Species diversity is highest when ________.

How does an increase in atmospheric greenhouse gases increase global temperatures?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Dna: the Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Filters

Exam 12: Ecology

An age pyramid with a broad base that quickly slopes up to a narrow top would be indicative of ________.

Which growth model would you expect to see in a stable population?

A dispersion pattern refers to ________.

Where would a coral reef most likely be found?

The tendency of toxins to accumulate in top predators is called biological ________.

Which of the following is not an example of goods and services provided by the environment?

The Asian kudzu bug (Megacopta cribaria)arrived in Atlanta in 2009 and is quickly spreading across the South.In addition to eating kudzu,it also eats soybeans and can decimate entire crops.The kudzu bug is a type of ________ species.

What type of species,if removed from the community,could lead to the collapse of the entire community?

Terrestrial biomes are defined in a large part by ________.

Phytoplankton is an example of a ________.

The practice of "eating down the food chain" refers to eating more plant material and less herbivores.Explain how this is a more efficient use of energy.

Ecology is best defined as the study of ________.

What is the name of the model of maximum rate of population growth?

Ecology is a science that can be carried out by ________.

The bird-tick relationship is an example of ________.

Human birth rate peaked in the 1980s and has been slowly declining ever since.How is this expected to affect our population size over the next several decades?

What are the main causes of biodiversity loss?

Species diversity is highest when ________.

How does an increase in atmospheric greenhouse gases increase global temperatures?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Dna: the Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Filters