Question 1

Hotspot regions make up only 2 percent of the total land mass but contain what percentage of the world's endemic plant species?

Accepted Answer

A) 2 percent 
B) 50 percent 
C) 75 percent 
D) 90 percent 
A) 2 percent 
B) 50 percent 
C) 75 percent 
D) 90 percent

Question 2

A measure of diversity between sites is called

Accepted Answer

A) alpha diversity. 
B) beta diversity. 
C) gamma diversity. 
D) zeta diversity. 
A) alpha diversity. 
B) beta diversity. 
C) gamma diversity. 
D) zeta diversity.

Question 3

Primary productivity in the oceans is lower in tropical latitudes than in temperate latitudes,primarily due to a permanent thermocline in tropical latitudes.

Accepted Answer

A) True 
 B)False

Question 4

As latitude increases,marine productivity ________.

Accepted Answer

The answer of As latitude increases,marine productivity ________....

Question 5

What does the figure suggest about patterns of biodiversity for particular groups of organisms?

Accepted Answer

A) Species diversity is highest at the equator. 
B) Species diversity is highest at the poles. 
C) Climatic influences are most important in determining areas of higher diversity. 
D) Diversity patterns are unpredictable. 
A) Species diversity is highest at the equator. 
B) Species diversity is highest at the poles. 
C) Climatic influences are most important in determining areas of higher diversity. 
D) Diversity patterns are unpredictable.

Question 6

In terrestrial habitats,species richness is negatively correlated with primary productivity.

Accepted Answer

A) True 
 B)False

Question 7

Compare two environments at 45° N latitude: environment A's altitude is 50 meters and environment B's altitude is 3000 meters.Which environment will support the greater level of species richness for mammals and birds?

Accepted Answer

A) Environment A will have the greater level of species richness. 
B) Environment B will have the greater level of species richness. 
C) Environments A and B will have the same species richness. 
A) Environment A will have the greater level of species richness. 
B) Environment B will have the greater level of species richness. 
C) Environments A and B will have the same species richness.

Question 8

What is PET?

Accepted Answer

A) probability of evaporation 
B) potential evapotranspiration 
C) probable evapotranspiration 
D) positive evaporative transport 
A) probability of evaporation 
B) potential evapotranspiration 
C) probable evapotranspiration 
D) positive evaporative transport

Question 9

During what period did one of the greatest extinctions of mammals occur?

Accepted Answer

A) Cretaceous 
B) Permian 
C) Pleistocene 
D) Carboniferous 
A) Cretaceous 
B) Permian 
C) Pleistocene 
D) Carboniferous

Question 10

The 1.4 million species identified are equally distributed across the Earth's surface.

Accepted Answer

A) True 
 B)False

Question 11

Patterns of species migrations,such as birds that nest in North America during the spring and in South America during the winter,do not alter seasonal patterns of regional diversity for a wide range of taxonomic groups.

Accepted Answer

A) True 
 B)False

Question 12

Over the past 600 million years,the overall trend in the number of species has been ________.

Accepted Answer

The answer of Over the past 600 million years,the overall...

Question 13

Which of the following is seen as a significant predictor of increased diversity in trees?

Accepted Answer

A) primary productivity 
B) wind patterns 
C) decreased temperatures 
D) decreased precipitation 
A) primary productivity 
B) wind patterns 
C) decreased temperatures 
D) decreased precipitation

Question 14

Which state is most likely to be a hotspot for biodiversity?

Accepted Answer

A) California 
B) South Dakota 
C) North Carolina 
D) West Virginia 
A) California 
B) South Dakota 
C) North Carolina 
D) West Virginia

Question 15

A mass extinction of large mammals occurred during the ________ epoch.

Accepted Answer

The answer of A mass extinction of large mammals occurred...

Question 16

As the structural diversity of plant communities increases,the species richness of animals also increases.

Accepted Answer

A) True 
 B)False

Question 17

The end of the Permian period was characterized by a mass extinction of

Accepted Answer

A) shallow-water marine invertebrates. 
B) dinosaurs and other large reptiles. 
C) small mammals. 
D) large mammals. 
A) shallow-water marine invertebrates. 
B) dinosaurs and other large reptiles. 
C) small mammals. 
D) large mammals.

Question 18

When was the largest extinction in Earth's history?

Accepted Answer

A) the current time 
B) Cretaceous 
C) Permian 
D) Cambrian 
A) the current time 
B) Cretaceous 
C) Permian 
D) Cambrian

Question 19

As latitude increases,the number of terrestrial species ________.

Accepted Answer

The answer of As latitude increases,the number of terrestrial species...

Question 20

In 2004,the IUCN declared how many hotspot regions?

Accepted Answer

A) 10 
B) 25 
C) 35 
D) 86 
A) 10 
B) 25 
C) 35 
D) 86

Exam 26: Large-Scale Patterns of Biological Diversity

Hotspot regions make up only 2 percent of the total land mass but contain what percentage of the world's endemic plant species?

A measure of diversity between sites is called

Primary productivity in the oceans is lower in tropical latitudes than in temperate latitudes,primarily due to a permanent thermocline in tropical latitudes.

As latitude increases,marine productivity ________.

What does the figure suggest about patterns of biodiversity for particular groups of organisms?

In terrestrial habitats,species richness is negatively correlated with primary productivity.

Compare two environments at 45° N latitude: environment A's altitude is 50 meters and environment B's altitude is 3000 meters.Which environment will support the greater level of species richness for mammals and birds?

What is PET?

During what period did one of the greatest extinctions of mammals occur?

The 1.4 million species identified are equally distributed across the Earth's surface.

Patterns of species migrations,such as birds that nest in North America during the spring and in South America during the winter,do not alter seasonal patterns of regional diversity for a wide range of taxonomic groups.

Over the past 600 million years,the overall trend in the number of species has been ________.

Which of the following is seen as a significant predictor of increased diversity in trees?

Which state is most likely to be a hotspot for biodiversity?

A mass extinction of large mammals occurred during the ________ epoch.

As the structural diversity of plant communities increases,the species richness of animals also increases.

The end of the Permian period was characterized by a mass extinction of

When was the largest extinction in Earth's history?

As latitude increases,the number of terrestrial species ________.

In 2004,the IUCN declared how many hotspot regions?

The Nature of Ecology

Climate

The Aquatic Environment

The Terrestrial Environment

Adaptation and Natural Selection

Plant Adaptations to the Environment

Animal Adaptations to the Environment

Properties of Populations

Population Growth

Life History

Intraspecific Population Regulation

Species Interactions, population Dynamics, and Natural Selection

Interspecific Competition

Predation

Parasitism and Mutualism

Community Structure

Factors Influencing the Structure of Communities

Community Dynamics

Landscape Dynamics

Ecosystem Energetics

Decomposition and Nutrient Cycling

Biogeochemical Cycles

Terrestrial Ecosystems

Aquatic Ecosystems

Coastal and Wetland Ecosystems

The Ecology of Climate Change

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