Question 1

Classification systems are continually revised as new information becomes available from various sources such as

Accepted Answer

A)  better understanding of the details of physiological processes. 
B)  using DNA analysis to compare nonstructural features of different organisms. 
C)  the continued evolution of current Earth species. 
D)  the identification of alien species that have reached Earth via meteorites and comets. 
A)  better understanding of the details of physiological processes. 
B)  using DNA analysis to compare nonstructural features of different organisms. 
C)  the continued evolution of current Earth species. 
D)  the identification of alien species that have reached Earth via meteorites and comets.

Question 2

The organisms farthest from the base of an evolutionary tree are

Accepted Answer

A)  unrelated to the organisms separated by one or more branch points. 
B)  less primitive than the organisms lower on the tree. 
C)  those that have evolved most recently. 
D)  chronologically older than the organisms lower on the tree. 
A)  unrelated to the organisms separated by one or more branch points. 
B)  less primitive than the organisms lower on the tree. 
C)  those that have evolved most recently. 
D)  chronologically older than the organisms lower on the tree.

Question 3

The presence of convergent features

Accepted Answer

A)  indicates a close evolutionary relationship. 
B)  indicates that two species have merged to become a single species. 
C)  indicates distantly related species adapting to similar environmental conditions. 
D)  occurs only in plants. 
A)  indicates a close evolutionary relationship. 
B)  indicates that two species have merged to become a single species. 
C)  indicates distantly related species adapting to similar environmental conditions. 
D)  occurs only in plants.

Question 4

Horizontal gene transfer is a hypothesis that proposes genes can move from one branch of an evolutionary tree to another.

Accepted Answer

A) True 
 B)False

Question 5

Switching the order of the last two organisms on an evolutionary tree has no effect on how the tree is read.

Accepted Answer

A) True 
 B)False

Question 6

Evolutionary trees have been successfully used to

Accepted Answer

A)  identify those species most closely related to humans. 
B)  explain how evolution works. 
C)  explain why most carnivorous mammals have four or five toes. 
D)  explain the potential impact of global climate change. 
A)  identify those species most closely related to humans. 
B)  explain how evolution works. 
C)  explain why most carnivorous mammals have four or five toes. 
D)  explain the potential impact of global climate change.

Question 7

The broadest classification category currently used by most biologists is the domain.

Accepted Answer

A) True 
 B)False

Question 8

The science of systematics is used to

Accepted Answer

A)  predict an organism's future evolution. 
B)  decide when an organism died. 
C)  show relationships among organisms. 
D)  decipher an organism's DNA. 
A)  predict an organism's future evolution. 
B)  decide when an organism died. 
C)  show relationships among organisms. 
D)  decipher an organism's DNA.

Question 9

In taxonomy, individuals belonging of the same class would also belong to the same

Accepted Answer

A)  species. 
B)  genus. 
C)  order. 
D)  none of the above 
A)  species. 
B)  genus. 
C)  order. 
D)  none of the above

Question 10

DNA analysis has become a useful tool for understanding the relationships between organisms because

Accepted Answer

A)  DNA codes for all traits, visible or invisible. 
B)  DNA is used by all organisms to collect energy. 
C)  only mammals have DNA. 
D)  knowing the DNA codes means we no longer have to use systematics. 
A)  DNA codes for all traits, visible or invisible. 
B)  DNA is used by all organisms to collect energy. 
C)  only mammals have DNA. 
D)  knowing the DNA codes means we no longer have to use systematics.

Question 11

Which of the following events occurred between each branch on an evolutionary tree?

Accepted Answer

A)  the evolution of a new derived feature 
B)  the loss of a derived feature 
C)  the evolution of a shared ancestral feature 
D)  the evolution of a convergent feature 
A)  the evolution of a new derived feature 
B)  the loss of a derived feature 
C)  the evolution of a shared ancestral feature 
D)  the evolution of a convergent feature

Question 12

Evolutionary trees can be used to predict the behavior of organisms.

Accepted Answer

A) True 
 B)False

Question 13

Within an evolutionary tree descendants share common features because they share a common ______.

Accepted Answer

The answer of Within an evolutionary tree descendants share common...

Question 14

Species of the following kingdoms except _______ are placed within the domain Eukarya.

Accepted Answer

A)  Protista 
B)  Plantae 
C)  Bacteria 
D)  Fungi 
A)  Protista 
B)  Plantae 
C)  Bacteria 
D)  Fungi

Question 15

Archaea, Bacteria, and Eukarya are the three biological domains.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following would contain the most closely related group of phyla?

Accepted Answer

A)  class 
B)  order 
C)  genus 
D)  kingdom 
A)  class 
B)  order 
C)  genus 
D)  kingdom

Question 17

The level in the Linnaean hierarchy immediately above class is

Accepted Answer

A)  phylum. 
B)  genus. 
C)  kingdom. 
D)  order. 
A)  phylum. 
B)  genus. 
C)  kingdom. 
D)  order.

Question 18

Bacteria, protists, and fungi belong to the domain Archaea.

Accepted Answer

A) True 
 B)False

Question 19

DNA analysis has confirmed the relationships among most species well beyond any reasonable doubt.

Accepted Answer

A) True 
 B)False

Question 20

Any two groups of organisms will have

Accepted Answer

A)  2 most recent common ancestors. 
B)  no more than 4 most recent common ancestors. 
C)  only 1 most recent common ancestor. 
D)  as many as 16 most recent common ancestors. 
A)  2 most recent common ancestors. 
B)  no more than 4 most recent common ancestors. 
C)  only 1 most recent common ancestor. 
D)  as many as 16 most recent common ancestors.

Exam 2: Organizing the Diversity of Life

Classification systems are continually revised as new information becomes available from various sources such as

The organisms farthest from the base of an evolutionary tree are

The presence of convergent features

Horizontal gene transfer is a hypothesis that proposes genes can move from one branch of an evolutionary tree to another.

Switching the order of the last two organisms on an evolutionary tree has no effect on how the tree is read.

Evolutionary trees have been successfully used to

The broadest classification category currently used by most biologists is the domain.

The science of systematics is used to

In taxonomy, individuals belonging of the same class would also belong to the same

DNA analysis has become a useful tool for understanding the relationships between organisms because

Which of the following events occurred between each branch on an evolutionary tree?

Evolutionary trees can be used to predict the behavior of organisms.

Within an evolutionary tree descendants share common features because they share a common ______.

Species of the following kingdoms except _______ are placed within the domain Eukarya.

Archaea, Bacteria, and Eukarya are the three biological domains.

Which of the following would contain the most closely related group of phyla?

The level in the Linnaean hierarchy immediately above class is

Bacteria, protists, and fungi belong to the domain Archaea.

DNA analysis has confirmed the relationships among most species well beyond any reasonable doubt.

Any two groups of organisms will have

The Nature of Science and the Characteristics of Life

Major Groups of Living Organisms

Chemical Building Blocks

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

DNA

From Gene to Protein

Control of Gene Expression

DNA Technology

How Evolution Works

Evolution of Populations

Adaptation and Speciation

The Evolutionary History of Life

Maintaining the Internal Environment

Animal Nutrition and Digestion

Gas Exchange

The Circulatory System

Animal Hormones

The Nervous System

Sensing the Environment

Skeletons, Muscles, and Movement

Defenses against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

The Biosphere

Growth of Populations

Interactions among Organisms

Communities of Organisms

Ecosystems

Global Change

Biodiversity and People

Cancer: Cell Division Out of Control

Harnessing the Human Genome

Humans and Evolution

Smoking--Beyond Lung Cancer

Feeding a Hungry Planet

Building a Sustainable Society

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