Question 1

For aquatic organisms,

Accepted Answer

A)  drainage lakes are more isolated than seepage lakes. 
B)  seepage lakes are more isolated than drainage lakes. 
C)  seepage and drainage lakes are equally isolated. 
D)  seepage lakes include more habitat area than drainage lakes. 
E)  because they have stream inlets and outlets, seepage lakes include more habitat types than drainage lakes. 
A)  drainage lakes are more isolated than seepage lakes. 
B)  seepage lakes are more isolated than drainage lakes. 
C)  seepage and drainage lakes are equally isolated. 
D)  seepage lakes include more habitat area than drainage lakes. 
E)  because they have stream inlets and outlets, seepage lakes include more habitat types than drainage lakes.

Question 2

The equilibrium model of island biogeography predicts

Accepted Answer

A)  large islands, nearer a source of colonists, will support the fewest number of species. 
B)  small islands, farther from a source of colonists, will support the fewest number of species. 
C)  small islands, nearer a source of colonists, will support the fewest number of species. 
D)  large islands, farther from a source of colonists, will support the greatest number of species. 
E)  both large islands, farther from a source of colonists, will support the greatest number of species and small islands, farther from a source of colonists, will support the fewest number of species. 
A)  large islands, nearer a source of colonists, will support the fewest number of species. 
B)  small islands, farther from a source of colonists, will support the fewest number of species. 
C)  small islands, nearer a source of colonists, will support the fewest number of species. 
D)  large islands, farther from a source of colonists, will support the greatest number of species. 
E)  both large islands, farther from a source of colonists, will support the greatest number of species and small islands, farther from a source of colonists, will support the fewest number of species.

Question 3

For most groups, species diversity most often

Accepted Answer

A)  increases from the tropics to the poles. 
B)  increases from the poles to the tropics. 
C)  is low at the equator and the poles, and peaks at temperate latitudes. 
D)  is high at the equator and the poles, and lowest at temperate latitudes. 
E)  shows no clear relationship with latitude. 
A)  increases from the tropics to the poles. 
B)  increases from the poles to the tropics. 
C)  is low at the equator and the poles, and peaks at temperate latitudes. 
D)  is high at the equator and the poles, and lowest at temperate latitudes. 
E)  shows no clear relationship with latitude.

Question 4

Ferns often maintain high diversity even on very isolated islands. This is because

Accepted Answer

A)  ferns are often planted deliberately by human colonists. 
B)  ferns are often introduced accidentally by human colonists. 
C)  ferns are easily dispersed by light wind-blown spores. 
D)  ferns are easily dispersed because birds carry their seeds. 
E)  new fern species most often evolve on isolated islands. 
A)  ferns are often planted deliberately by human colonists. 
B)  ferns are often introduced accidentally by human colonists. 
C)  ferns are easily dispersed by light wind-blown spores. 
D)  ferns are easily dispersed because birds carry their seeds. 
E)  new fern species most often evolve on isolated islands.

Question 5

The "time since perturbation" hypothesis proposes that, compared to temperate and polar regions, the tropics are

Accepted Answer

A)  more diverse because humans have not yet had much impact there. 
B)  more diverse because they are disturbed more severely by cooling during glaciations. 
C)  less diverse because they are disturbed more severely by cooling during glaciations. 
D)  more diverse because they are less heterogeneous in habitat. 
E)  more diverse because they are disturbed less frequently. 
A)  more diverse because humans have not yet had much impact there. 
B)  more diverse because they are disturbed more severely by cooling during glaciations. 
C)  less diverse because they are disturbed more severely by cooling during glaciations. 
D)  more diverse because they are less heterogeneous in habitat. 
E)  more diverse because they are disturbed less frequently.

Question 6

In the equilibrium model of island biogeography, the immigration rate to an island is assumed to depend mainly on

Accepted Answer

A)  distance from sources of migrants. 
B)  island size. 
C)  extinction rate. 
D)  extent of introductions by human colonists. 
E)  existence or lack of a climax community. 
A)  distance from sources of migrants. 
B)  island size. 
C)  extinction rate. 
D)  extent of introductions by human colonists. 
E)  existence or lack of a climax community.

Question 7

MacArthur and Wilson hypothesized that larger islands would experience more extinction events because more species present means

Accepted Answer

A)  more chances for extinctions. 
B)  more likelihood of competitive exclusion. 
C)  smaller population size of each. 
D)  All of the choices are correct. 
E)  Only more chances for extinctions and smaller population size of each. 
A)  more chances for extinctions. 
B)  more likelihood of competitive exclusion. 
C)  smaller population size of each. 
D)  All of the choices are correct. 
E)  Only more chances for extinctions and smaller population size of each.

Question 8

Temperate tree diversity is higher in Europe than in North America, because North American trees have been subject to many more glacial extinctions.

Accepted Answer

A) True 
 B)False

Question 9

Among the major regions of Mediterranean woodlands and shrublands, diversity is

Accepted Answer

A)  highest in California, which has the largest area. 
B)  highest in California, although it has the smallest area. 
C)  highest in the fynbos of the Cape Floristic Province, which has the largest area. 
D)  highest in the fynbos of the Cape Floristic Province, although it has the smallest area. 
E)  roughly equal across regions, even though they differ in area. 
A)  highest in California, which has the largest area. 
B)  highest in California, although it has the smallest area. 
C)  highest in the fynbos of the Cape Floristic Province, which has the largest area. 
D)  highest in the fynbos of the Cape Floristic Province, although it has the smallest area. 
E)  roughly equal across regions, even though they differ in area.

Question 10

In the American Southwest, forest habitats

Accepted Answer

A)  currently extend unbroken between mountaintops over thousands of km. 
B)  have never extended unbroken between mountaintops. 
C)  last extended unbroken between mountaintops in the Cretaceous. 
D)  last extended unbroken between mountaintops in the Permian. 
E)  last extended unbroken between mountaintops in the Pleistocene. 
A)  currently extend unbroken between mountaintops over thousands of km. 
B)  have never extended unbroken between mountaintops. 
C)  last extended unbroken between mountaintops in the Cretaceous. 
D)  last extended unbroken between mountaintops in the Permian. 
E)  last extended unbroken between mountaintops in the Pleistocene.

For aquatic organisms,

The equilibrium model of island biogeography predicts

For most groups, species diversity most often

Ferns often maintain high diversity even on very isolated islands. This is because

The "time since perturbation" hypothesis proposes that, compared to temperate and polar regions, the tropics are

In the equilibrium model of island biogeography, the immigration rate to an island is assumed to depend mainly on

MacArthur and Wilson hypothesized that larger islands would experience more extinction events because more species present means

Temperate tree diversity is higher in Europe than in North America, because North American trees have been subject to many more glacial extinctions.

Among the major regions of Mediterranean woodlands and shrublands, diversity is

In the American Southwest, forest habitats

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

Global Ecology

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Exam 22: Geographic Ecology

For aquatic organisms,

The equilibrium model of island biogeography predicts

For most groups, species diversity most often

Ferns often maintain high diversity even on very isolated islands. This is because

The "time since perturbation" hypothesis proposes that, compared to temperate and polar regions, the tropics are

In the equilibrium model of island biogeography, the immigration rate to an island is assumed to depend mainly on

MacArthur and Wilson hypothesized that larger islands would experience more extinction events because more species present means

Temperate tree diversity is higher in Europe than in North America, because North American trees have been subject to many more glacial extinctions.

Among the major regions of Mediterranean woodlands and shrublands, diversity is

In the American Southwest, forest habitats

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

Global Ecology

Filters