Question 1

Total species diversity,or species richness,across all communities within a geographic area is referred to as ________ diversity.

Accepted Answer

The answer of Total species diversity,or species richness,across all communities...

Question 2

Which group of plants emerged first?

Accepted Answer

A) angiosperms 
B) gymnosperms 
C) pteridophytes 
D) conifers 
A) angiosperms 
B) gymnosperms 
C) pteridophytes 
D) conifers

Question 3

Humans are responsible for more than 75 percent of all present-day extinctions since a.d.1600.

Accepted Answer

A) True 
 B)False

Question 4

What is the evidence that exists to support the idea that the greater area of the tropics is the reason for higher diversity?

Accepted Answer

A) The land mass is greater at the equator than elsewhere on Earth. 
B) The area of the Atlantic Ocean is greater at the equator. 
C) There are more mountainous areas in the tropics,creating more surface area. 
D) The area between 0° and 10° is greater than between 60° and 70° latitude. 
A) The land mass is greater at the equator than elsewhere on Earth. 
B) The area of the Atlantic Ocean is greater at the equator. 
C) There are more mountainous areas in the tropics,creating more surface area. 
D) The area between 0° and 10° is greater than between 60° and 70° latitude.

Question 5

Which of the following is the correct order of plant evolutionary appearance (geologically oldest to present date)?

Accepted Answer

A) angiosperms,gymnosperms,psilopsids,pteriodophytes 
B) gymnosperms,angiosperms,psilopsids,pteriodophytes 
C) psilopsids,pteriodophytes,gymnosperms,angiosperms 
D) pteriodophytes,gymnosperms,angiosperms,psilopsids 
A) angiosperms,gymnosperms,psilopsids,pteriodophytes 
B) gymnosperms,angiosperms,psilopsids,pteriodophytes 
C) psilopsids,pteriodophytes,gymnosperms,angiosperms 
D) pteriodophytes,gymnosperms,angiosperms,psilopsids

Question 6

Which time period has the greatest richness of fossilized invertebrates?

Accepted Answer

A) Cambrian 
B) Carboniferous 
C) Cretaceous 
D) Cenozoic 
A) Cambrian 
B) Carboniferous 
C) Cretaceous 
D) Cenozoic

Question 7

Terrestrial vertebrate richness is most strongly tied to

Accepted Answer

A) primary productivity. 
B) potential evapotranspiration. 
C) sea surface temperatures. 
D) altitude. 
A) primary productivity. 
B) potential evapotranspiration. 
C) sea surface temperatures. 
D) altitude.

Question 8

Seasonal variation in surface temperatures of the ocean functions to increase primary productivity.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following patterns occurs with respect to geographic distribution of species diversity?

Accepted Answer

A) Diversity increases with increasing latitudes. 
B) Diversity increases with increasing longitudes. 
C) Diversity increases with decreasing latitudes. 
D) Diversity increases with decreasing longitudes. 
A) Diversity increases with increasing latitudes. 
B) Diversity increases with increasing longitudes. 
C) Diversity increases with decreasing latitudes. 
D) Diversity increases with decreasing longitudes.

Question 10

As elevation increases,the number of terrestrial species ________.

Accepted Answer

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

Question 11

Which time period has the greatest richness of fossilized invertebrates?

Accepted Answer

A) Cambrian 
B) Carboniferous 
C) Cretaceous 
D) Cenozoic 
A) Cambrian 
B) Carboniferous 
C) Cretaceous 
D) Cenozoic

Question 12

The dinosaurs and many other animals became extinct at the end of the

Accepted Answer

A) Cambrian period. 
B) Permian period. 
C) Cretaceous period. 
D) Pleistocene epoch. 
A) Cambrian period. 
B) Permian period. 
C) Cretaceous period. 
D) Pleistocene epoch.

Question 13

Which taxa contain the largest number of known species?

Accepted Answer

A) coleoptera 
B) plants (embryophytes) 
C) fungi 
D) crustaceans 
A) coleoptera 
B) plants (embryophytes) 
C) fungi 
D) crustaceans

Question 14

As temperatures increase during seasonal fluctuations in marine environments,

Accepted Answer

A) both species richness and species dominance increase. 
B) species richness increases and species dominance decreases. 
C) species richness decreases and species dominance increases. 
D) both species richness and species dominance decrease. 
A) both species richness and species dominance increase. 
B) species richness increases and species dominance decreases. 
C) species richness decreases and species dominance increases. 
D) both species richness and species dominance decrease.

Question 15

The species richness of terrestrial plants and animals generally increases with elevation.

Accepted Answer

A) True 
 B)False

Question 16

Angiosperms emerged

Accepted Answer

A) 100 million years ago. 
B) 200 million years ago. 
C) 300 million years ago. 
D) 400 million years ago. 
A) 100 million years ago. 
B) 200 million years ago. 
C) 300 million years ago. 
D) 400 million years ago.

Question 17

In marine environments,

Accepted Answer

A) both species richness and productivity increase with latitude. 
B) species richness increases and productivity decreases with latitude. 
C) species richness decreases and productivity increases with latitude. 
D) both species richness and productivity decrease with latitude. 
A) both species richness and productivity increase with latitude. 
B) species richness increases and productivity decreases with latitude. 
C) species richness decreases and productivity increases with latitude. 
D) both species richness and productivity decrease with latitude.

Question 18

The end of the Pleistocene epoch was marked 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 19

The figure suggests

Accepted Answer

A) primary productivity dictates diversity. 
B) diversity changes seasonally. 
C) a high gamma diversity. 
D) birds are more diverse at northern latitudes. 
A) primary productivity dictates diversity. 
B) diversity changes seasonally. 
C) a high gamma diversity. 
D) birds are more diverse at northern latitudes.

Exam 26: Large-Scale Patterns of Biological Diversity

Total species diversity,or species richness,across all communities within a geographic area is referred to as ________ diversity.

Which group of plants emerged first?

Humans are responsible for more than 75 percent of all present-day extinctions since a.d.1600.

What is the evidence that exists to support the idea that the greater area of the tropics is the reason for higher diversity?

Which of the following is the correct order of plant evolutionary appearance (geologically oldest to present date)?

Which time period has the greatest richness of fossilized invertebrates?

Terrestrial vertebrate richness is most strongly tied to

Seasonal variation in surface temperatures of the ocean functions to increase primary productivity.

Which of the following patterns occurs with respect to geographic distribution of species diversity?

As elevation increases,the number of terrestrial species ________.

Which time period has the greatest richness of fossilized invertebrates?

The dinosaurs and many other animals became extinct at the end of the

Which taxa contain the largest number of known species?

As temperatures increase during seasonal fluctuations in marine environments,

The species richness of terrestrial plants and animals generally increases with elevation.

Angiosperms emerged

In marine environments,

The end of the Pleistocene epoch was marked by a mass extinction of

The figure suggests

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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