Question 1

The largest fraction of land area on Earth is found in the

Accepted Answer

A)  tropics. 
B)  temperate zone. 
C)  boreal forests. 
D)  tundra. 
E)  Southern hemisphere. 
A)  tropics. 
B)  temperate zone. 
C)  boreal forests. 
D)  tundra. 
E)  Southern hemisphere.

Question 2

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 3

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 4

The negative correlation between foliage height diversity and bird species diversity in South American beech forests is attributed to

Accepted Answer

A)  small area. 
B)  isolation. 
C)  cold temperatures. 
D)  both small area and cold temperatures. 
E)  both small area and isolation. 
A)  small area. 
B)  isolation. 
C)  cold temperatures. 
D)  both small area and cold temperatures. 
E)  both small area and isolation.

Question 5

The network of satellites allowing a handheld receiver to determine latitude,longitude,and altitude is known as a ______________.

Accepted Answer

global pos

Question 6

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 7

The equilibrium model of island biogeography predicts

Accepted Answer

A)  the rate of extinction is greater for small islands. 
B)  the rate of extinction is greater for large islands. 
C)  the rate of immigration is greater for near islands. 
D)  the rate of immigration is greater for far islands. 
E)  both the rate of extinction is greater for small islands and the rate of immigration is greater for near islands. 
A)  the rate of extinction is greater for small islands. 
B)  the rate of extinction is greater for large islands. 
C)  the rate of immigration is greater for near islands. 
D)  the rate of immigration is greater for far islands. 
E)  both the rate of extinction is greater for small islands and the rate of immigration is greater for near islands.

Question 8

Remote sensing of chlorophyll a concentrations in the Earth's oceans has revealed that marine plankton biomass is

Accepted Answer

A)  nearly homogenous over huge expanses of ocean. 
B)  highest in the open ocean. 
C)  highest in the warmest waters. 
D)  highest in the deepest waters. 
E)  highest in cooler, upwelling areas near shore. 
A)  nearly homogenous over huge expanses of ocean. 
B)  highest in the open ocean. 
C)  highest in the warmest waters. 
D)  highest in the deepest waters. 
E)  highest in cooler, upwelling areas near shore.

Question 9

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 10

The equilibrium model of island biogeography explains diversity on islands as a balance between

Accepted Answer

A)  speciation and extinction. 
B)  immigration and extinction. 
C)  speciation and emigration. 
D)  immigration and emigration. 
E)  speciation and immigration. 
A)  speciation and extinction. 
B)  immigration and extinction. 
C)  speciation and emigration. 
D)  immigration and emigration. 
E)  speciation and immigration.

The largest fraction of land area on Earth is found in the

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

The negative correlation between foliage height diversity and bird species diversity in South American beech forests is attributed to

The network of satellites allowing a handheld receiver to determine latitude,longitude,and altitude is known as a ______________.

For most groups,species diversity most often

The equilibrium model of island biogeography predicts

Remote sensing of chlorophyll a concentrations in the Earth's oceans has revealed that marine plankton biomass is

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

The equilibrium model of island biogeography explains diversity on islands as a balance between

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

The largest fraction of land area on Earth is found in the

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

The negative correlation between foliage height diversity and bird species diversity in South American beech forests is attributed to

The network of satellites allowing a handheld receiver to determine latitude,longitude,and altitude is known as a ______________.

For most groups,species diversity most often

The equilibrium model of island biogeography predicts

Remote sensing of chlorophyll a concentrations in the Earth's oceans has revealed that marine plankton biomass is

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

The equilibrium model of island biogeography explains diversity on islands as a balance between

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