Question 1

Evolutionary trees use shared derived features to determine _______ between organisms.

Accepted Answer

The answer of Evolutionary trees use shared derived features to...

Question 2

There are currently three recognized domains; which of the following is not included within this taxon?

Accepted Answer

A)  Archaea 
B)  Bacteria 
C)  Procarya 
D)  Eukarya 
A)  Archaea 
B)  Bacteria 
C)  Procarya 
D)  Eukarya

Question 3

A set of shared derived features

Accepted Answer

A)  will be unique to each Linnaean taxon. 
B)  marks a group of species as a set of close relatives. 
C)  most often indicates convergences. 
D)  can be found only in humans. 
A)  will be unique to each Linnaean taxon. 
B)  marks a group of species as a set of close relatives. 
C)  most often indicates convergences. 
D)  can be found only in humans.

Question 4

A lineage is a group of relatives that have a common ancestor.

Accepted Answer

A) True 
 B)False

Question 5

To produce an evolutionary tree it is necessary to first determine

Accepted Answer

A)  which organisms are the oldest. 
B)  the full DNA sequence of each organism that will be included within the tree. 
C)  the shared derived features present within each group of organisms. 
D)  the number of lineages in each group. 
A)  which organisms are the oldest. 
B)  the full DNA sequence of each organism that will be included within the tree. 
C)  the shared derived features present within each group of organisms. 
D)  the number of lineages in each group.

Question 6

Examine the evolutionary tree pictured below.  
In this evolutionary tree, which groups of organisms are likely to share the most behaviors?

Accepted Answer

A)  5 and 4 
B)  5 and 3 
C)  5 and 2 
D)  5 and 1 
A)  5 and 4 
B)  5 and 3 
C)  5 and 2 
D)  5 and 1

Question 7

Evolutionary trees are based on

Accepted Answer

A)  the principle of convergent evolution. 
B)  a set of shared characteristics believed to have arisen in a common ancestor. 
C)  similarities in function of a characteristic. 
D)  consensus regarding the usefulness of particular traits. 
A)  the principle of convergent evolution. 
B)  a set of shared characteristics believed to have arisen in a common ancestor. 
C)  similarities in function of a characteristic. 
D)  consensus regarding the usefulness of particular traits.

Question 8

Most evidence suggests that _______ was the first domain to emerge within the evolutionary tree of life.

Accepted Answer

The answer of Most evidence suggests that _______ was the...

Question 9

The figure below illustrates the three-domain, six-kingdom taxonomy of life.  
Bacteria are equivalent at the kingdom and domain taxon; what explains this equivalency when the domain Eukarya is subdivided into four kingdoms?

Accepted Answer

A)  Bacteria are small and relatively insignificant; most systematists focus on more important biological questions. 
B)  Bacteria are difficult to study, as more becomes known about them systematists will undoubtedly propose reclassifications. 
C)  All living bacteria are so similar that only a handful of families have been proposed. 
D)  At present, no significant shared derived features have been identified that would indicate major evolutionary divisions have occurred within the group. 
A)  Bacteria are small and relatively insignificant; most systematists focus on more important biological questions. 
B)  Bacteria are difficult to study, as more becomes known about them systematists will undoubtedly propose reclassifications. 
C)  All living bacteria are so similar that only a handful of families have been proposed. 
D)  At present, no significant shared derived features have been identified that would indicate major evolutionary divisions have occurred within the group.

Question 10

The most recent common _____________ marks the point at which a lineage diverges to begin a new evolutionary pathway.

Accepted Answer

The answer of The most recent common _____________ marks the...

Question 11

Protists are not considered to represent a complete evolutionary lineage because

Accepted Answer

A)  there are three lineages within the group. 
B)  they evolved long ago. 
C)  they evolved recently. 
D)  there is only one lineage within the group. 
A)  there are three lineages within the group. 
B)  they evolved long ago. 
C)  they evolved recently. 
D)  there is only one lineage within the group.

Question 12

There is some debate regarding the recognition of reptiles as a legitimate lineage because

Accepted Answer

A)  reptiles are no longer a dominant group nor particularly important to life on Earth. 
B)  reptiles and birds share a single common ancestor but are placed into different phyla within the Linnaean hierarchy. 
C)  reptiles reproduce using eggs, but are not grouped with other organisms sharing a similar reproductive method such as the fish and amphibians. 
D)  as a single group the reptiles contains too many species. 
A)  reptiles are no longer a dominant group nor particularly important to life on Earth. 
B)  reptiles and birds share a single common ancestor but are placed into different phyla within the Linnaean hierarchy. 
C)  reptiles reproduce using eggs, but are not grouped with other organisms sharing a similar reproductive method such as the fish and amphibians. 
D)  as a single group the reptiles contains too many species.

Question 13

A feature may appear to be shared by an unrelated group of organisms if it independently evolved in both groups. Such features are called _______ features, and can mislead scientists who are trying to determine evolutionary relationships.

Accepted Answer

The answer of A feature may appear to be shared...

Question 14

Evolutionary taxonomy is based on a scientist's educated decisions.

Accepted Answer

A) True 
 B)False

Question 15

Analysis of body morphology and DNA indicate the closest living relatives of human beings are

Accepted Answer

A)  chimpanzees. 
B)  orangutans. 
C)  gibbons. 
D)  lemurs. 
A)  chimpanzees. 
B)  orangutans. 
C)  gibbons. 
D)  lemurs.

Exam 2: Organizing the Diversity of Life

Evolutionary trees use shared derived features to determine _______ between organisms.

There are currently three recognized domains; which of the following is not included within this taxon?

A set of shared derived features

A lineage is a group of relatives that have a common ancestor.

To produce an evolutionary tree it is necessary to first determine

Examine the evolutionary tree pictured below. In this evolutionary tree, which groups of organisms are likely to share the most behaviors?

Evolutionary trees are based on

Most evidence suggests that _______ was the first domain to emerge within the evolutionary tree of life.

The figure below illustrates the three-domain, six-kingdom taxonomy of life. Bacteria are equivalent at the kingdom and domain taxon; what explains this equivalency when the domain Eukarya is subdivided into four kingdoms?

The most recent common _____________ marks the point at which a lineage diverges to begin a new evolutionary pathway.

Protists are not considered to represent a complete evolutionary lineage because

There is some debate regarding the recognition of reptiles as a legitimate lineage because

A feature may appear to be shared by an unrelated group of organisms if it independently evolved in both groups. Such features are called _______ features, and can mislead scientists who are trying to determine evolutionary relationships.

Evolutionary taxonomy is based on a scientist's educated decisions.

Analysis of body morphology and DNA indicate the closest living relatives of human beings are

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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