Question 1

Before life evolved on Earth, the atmosphere

Accepted Answer

A)  had much higher concentrations of oxygen. 
B)  had much lower concentrations of carbon dioxide. 
C)  was more or less the same as it is now. 
D)  had much lower concentrations of oxygen. 
E)  had much lower concentrations of hydrogen. 
A)  had much higher concentrations of oxygen. 
B)  had much lower concentrations of carbon dioxide. 
C)  was more or less the same as it is now. 
D)  had much lower concentrations of oxygen. 
E)  had much lower concentrations of hydrogen.

Question 2

A carbon dioxide concentration record from the Vostok ice core indicates

Accepted Answer

A)  little change in atmospheric CO2 concentration before the Industrial Revolution. 
B)  dramatic increases in atmospheric CO2 associated with ice ages. 
C)  dramatic increases in atmospheric CO2 associated with interglacials. 
D)  dramatic changes in atmospheric CO2, but no obvious association with the glacial/interglacial cycle. 
E)  an inverse correlation between atmospheric CO2 concentration and temperature. 
A)  little change in atmospheric CO2 concentration before the Industrial Revolution. 
B)  dramatic increases in atmospheric CO2 associated with ice ages. 
C)  dramatic increases in atmospheric CO2 associated with interglacials. 
D)  dramatic changes in atmospheric CO2, but no obvious association with the glacial/interglacial cycle. 
E)  an inverse correlation between atmospheric CO2 concentration and temperature.

Question 3

During El Niño events,

Accepted Answer

A)  Australia experiences drought. 
B)  western North America experiences drought. 
C)  Canada and Alaska are cooler than average. 
D)  populations of anchovies and seabirds increase along the South American coast. 
E)  primary production increases around the Galápagos Islands. 
A)  Australia experiences drought. 
B)  western North America experiences drought. 
C)  Canada and Alaska are cooler than average. 
D)  populations of anchovies and seabirds increase along the South American coast. 
E)  primary production increases around the Galápagos Islands.

Question 4

The 1987 Montreal Protocol was an agreement to limit human production of

Accepted Answer

A)  carbon dioxide. 
B)  nitrate. 
C)  PCBs. 
D)  lead paint. 
E)  chlorofluorocarbons. 
A)  carbon dioxide. 
B)  nitrate. 
C)  PCBs. 
D)  lead paint. 
E)  chlorofluorocarbons.

Question 5

During El Niño events, coastal populations of anchovies and sardines

Accepted Answer

A)  flourish as seabird populations decline. 
B)  decline as sea lion populations flourish. 
C)  flourish as sea lion populations decline. 
D)  decline as phytoplankton populations decline. 
E)  flourish as phytoplankton populations flourish. 
A)  flourish as seabird populations decline. 
B)  decline as sea lion populations flourish. 
C)  flourish as sea lion populations decline. 
D)  decline as phytoplankton populations decline. 
E)  flourish as phytoplankton populations flourish.

Question 6

During the past century, the average global temperature has risen

Accepted Answer

A)  0.7F1F1F1S1F1F1F10C 
B)  1.5F1F1F1S1F1F1F10C 
C)  3.5F1F1F1S1F1F1F10C 
D)  5.5F1F1F1S1F1F1F10C 
E)  10.5F1F1F1S1F1F1F10C 
A)  0.7F1F1F1S1F1F1F10C 
B)  1.5F1F1F1S1F1F1F10C 
C)  3.5F1F1F1S1F1F1F10C 
D)  5.5F1F1F1S1F1F1F10C 
E)  10.5F1F1F1S1F1F1F10C

Question 7

The nation containing the largest fraction of the world's tropical rain forest is

Accepted Answer

A)  Congo. 
B)  Brazil. 
C)  Mexico. 
D)  The United States. 
E)  Indonesia. 
A)  Congo. 
B)  Brazil. 
C)  Mexico. 
D)  The United States. 
E)  Indonesia.

Question 8

Periodic increases and decreases in red kangaroo populations in Australia are associated with

Accepted Answer

A)  predator-driven population cycles. 
B)  parasite population cycles. 
C)  sunspot cycles. 
D)  the El Niño - Southern Oscillation. 
E)  None of the choices are correct. 
A)  predator-driven population cycles. 
B)  parasite population cycles. 
C)  sunspot cycles. 
D)  the El Niño - Southern Oscillation. 
E)  None of the choices are correct.

Question 9

The reduction in atmospheric 14C/12C ratio associated with fossil fuel combustion is known as the ____________.

Accepted Answer

Before life evolved on Earth, the atmosphere

A carbon dioxide concentration record from the Vostok ice core indicates

During El Niño events,

The 1987 Montreal Protocol was an agreement to limit human production of

During El Niño events, coastal populations of anchovies and sardines

During the past century, the average global temperature has risen

The nation containing the largest fraction of the world's tropical rain forest is

Periodic increases and decreases in red kangaroo populations in Australia are associated with

The reduction in atmospheric ¹⁴C/¹²C ratio associated with fossil fuel combustion is known as the ____________.

Introduction to Ecology Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Socail Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions Predation, Herbivory, Parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Filters

Exam 23: Global Ecology

Before life evolved on Earth, the atmosphere

A carbon dioxide concentration record from the Vostok ice core indicates

During El Niño events,

The 1987 Montreal Protocol was an agreement to limit human production of

During El Niño events, coastal populations of anchovies and sardines

During the past century, the average global temperature has risen

The nation containing the largest fraction of the world's tropical rain forest is

Periodic increases and decreases in red kangaroo populations in Australia are associated with

The reduction in atmospheric 14C/12C ratio associated with fossil fuel combustion is known as the ____________.

Introduction to Ecology Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Socail Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions Predation, Herbivory, Parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Filters

The reduction in atmospheric ¹⁴C/¹²C ratio associated with fossil fuel combustion is known as the ____________.