Question 1

Which of the following groups represent the current Domains of life?

Accepted Answer

A)   Bacteria, Eukarya, Archaea
B)   Bacteria, Eukarya, Monera
C)   Bacteria, Eukarya, Archae
D)   Eubacteria, Animalia, ArchaeaE) A) and B)
F) C) and D)

Question 2

Based on this tree, mammals are as closely related to birds as they are to snakes.

Accepted Answer

A) True 
 B)False

Question 3

Based on this tree, the lineage leading to ________ was the first to diverge from the other lines.

Accepted Answer

A)   turtles
B)   birds
C)   dinosaurs
D)   mammals
E)   crocodiliansF) C) and D)
G) B) and E)

Question 4

Which Domains did Kingdom Monera get divided into?

Accepted Answer

A)   Archaea and Bacteria
B)   Protista and Archaea
C)   Bacteria and Eukarya
D)   Archaea and EukaryaE) A) and D)
F) A) and C)

Question 5

Which of the following list best describes the features used to classify an organism as a member of Domain Bacteria?

Accepted Answer

A)   Unicellular, lacking a nuclear envelope and membrane bound organelles, contains ribosomes but lacks introns
B)   Unicellular, contains a nuclear envelope and membrane bound organelles, contains ribosomes but lacks introns
C)   Unicellular, lacks a nuclear envelope and membrane bound organelles, contains introns but lacks ribosomes
D)   Multicellular, lacks a nuclear envelope and membrane bound organelles, contains introns but lacks ribosomesE) A) and B)
F) None of the above

Question 6

Early biologists referred to animals as ''simple" and ''advanced," but now it is more accurate to use the following terms:

Accepted Answer

A)   ''allopatric" and ''sympatric," since the species is most important.
B)   "generalists" and ''specialists," since this is how biologists classify characters.
C)   ''simple" and ''complex," since anatomy terms are more exact.
D)   ''evolved" and ''un-evolved," since everything ties together with evolution.
E)   ''primitive" and ''derived," since some early forms became very complex and some evolved forms are derived from them but lost characters and are simple.F) A) and C)
G) None of the above

Question 7

Hair is a character shared by all mammals, but not found in their ancestral lineage. Hair is therefore considered to be a(n)

Accepted Answer

A)   clade.
B)   shared ancestral character (trait) .
C)   shared derived character (trait) .
D)   analogous structure.E) A) and D)
F) None of the above

Question 8

DNA or protein can be used as a ''molecular clock" that tells how long it has been since two species have diverged from a common ancestor.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following features would be used to construct a phylogenic tree?

Accepted Answer

A)   homologous structures
B)   fossil record data
C)   DNA-DNA hybridization
D)   amino acid sequences
E)   all of the answer choices are correctF) B) and C)
G) D) and E)

Question 10

The amino acid sequences in cytochrome c were determined for chickens, ducks, and humans. Scientists found a difference of 3 amino acids between chickens and ducks, but between chickens and humans there were 13 differences. One may conclude that

Accepted Answer

A)   chickens are as closely related to humans as they are to ducks.
B)   chickens are more closely related to ducks than they are to humans.
C)   chickens are more closely related to humans than they are to ducks.
D)   None of the above.E) C) and D)
F) A) and D)

Question 11

Nonscientists often use the words ''name," ''identify," and ''classify" interchangeably. When they want to know what an organism is, they may ask "Can you name this?" or "Can you identify this?" or "Can you classify this?" Which of the following is/are correct usage(s)  of the term(s) ?

Accepted Answer

A)   Only the scientist who first describes a new species actually names it.
B)   Classifying is grouping, and to classify something requires several organisms so you can group one as closer to a second and distant from a third.
C)   A farmer is using a key to detect pest insect species in his fields is identifying insects but not naming or necessarily classifying them.
D)   A scientist who publishes the name and description of a new species must necessarily also know both how to identify and classify the species.
E)   All of the choices are correct.F) B) and D)
G) D) and E)

Question 12

Which of the following best represents analogous structures?

Accepted Answer

A)   the arm of a human and the wing of a bat
B)   the arm of a human and the leg of a human
C)   the wing of a butterfly and the wing of a bee
D)   the wing of a bat and the wing of a butterflyE) A) and D)
F) C) and D)

Question 13

Of those listed, which level of classification is the most specific?

Accepted Answer

A)   Kingdom
B)   Phylum
C)   Family
D)   Domain
E)   ClassF) C) and D)
G) A) and B)

Question 14

The highlighted grouping in the cladogram is a ____________ grouping.

Accepted Answer

A)   monophyletic
B)   paraphyletic
C)   polyphyletic
D)   None of the answer choices are correct.E) A) and B)
F) A) and C)

Question 15

Whittaker's classification included Kingdom Monera, which included all prokaryotes. Why is this classification obsolete?

Accepted Answer

A)   Based on fossil evidence, this group has been divided into three newly named kingdoms.
B)   This kingdom now includes more organisms, so the name has been changed.
C)   The prokaryotes, which were included in this kingdom, are now included in Protista.
D)   Based on molecular data, Monera has been divided into the two distinct domains, Archaea and Bacteria.E) B) and C)
F) A) and B)

Question 16

______ is the process of naming and assigning organisms to a taxon.

Accepted Answer

A)   Cladistics
B)   Taxonomy
C)   Phylogeny
D)   Classification
E)   None of the answer choices are correct.F) B) and D)
G) A) and C)

Exam 19: Taxonomy, Systematics, and Phylogeny

Hair is a character shared by all mammals, but not found in their ancestral lineage. Hair is therefore considered to be a(n)

Correct Answer
verified

Early biologists referred to animals as ''simple" and ''advanced," but now it is more accurate to use the following terms:

Correct Answer
verified

Based on this tree, mammals are as closely related to birds as they are to snakes.

Correct Answer
verified

Which of the following features would be used to construct a phylogenic tree?

Correct Answer
verified

Based on this tree, the lineage leading to ________ was the first to diverge from the other lines.

Correct Answer
verified

Of those listed, which level of classification is the most specific?

Correct Answer
verified

The amino acid sequences in cytochrome c were determined for chickens, ducks, and humans. Scientists found a difference of 3 amino acids between chickens and ducks, but between chickens and humans there were 13 differences. One may conclude that

Correct Answer
verified

Whittaker's classification included Kingdom Monera, which included all prokaryotes. Why is this classification obsolete?

Correct Answer
verified

The highlighted grouping in the cladogram is a ____________ grouping.

Correct Answer
verified

Which Domains did Kingdom Monera get divided into?

Correct Answer
verified

Which of the following list best describes the features used to classify an organism as a member of Domain Bacteria?

Correct Answer
verified

DNA or protein can be used as a ''molecular clock" that tells how long it has been since two species have diverged from a common ancestor.

Correct Answer
verified

______ is the process of naming and assigning organisms to a taxon.

Correct Answer
verified

Which of the following groups represent the current Domains of life?

Correct Answer
verified

Nonscientists often use the words ''name," ''identify," and ''classify" interchangeably. When they want to know what an organism is, they may ask "Can you name this?" or "Can you identify this?" or "Can you classify this?" Which of the following is/are correct usage(s) of the term(s) ?

Correct Answer
verified

Which of the following best represents analogous structures?

Correct Answer
verified

Exam 19: Taxonomy, Systematics, and Phylogeny

Hair is a character shared by all mammals, but not found in their ancestral lineage. Hair is therefore considered to be a(n)

Correct AnswerverifiedShow Answer

Early biologists referred to animals as ''simple" and ''advanced," but now it is more accurate to use the following terms:

Correct AnswerverifiedShow Answer

Based on this tree, mammals are as closely related to birds as they are to snakes.

Correct AnswerverifiedShow Answer

Which of the following features would be used to construct a phylogenic tree?

Correct AnswerverifiedShow Answer

Based on this tree, the lineage leading to ________ was the first to diverge from the other lines.

Correct AnswerverifiedShow Answer

Of those listed, which level of classification is the most specific?

Correct AnswerverifiedShow Answer

The amino acid sequences in cytochrome c were determined for chickens, ducks, and humans. Scientists found a difference of 3 amino acids between chickens and ducks, but between chickens and humans there were 13 differences. One may conclude that

Correct AnswerverifiedShow Answer

Whittaker's classification included Kingdom Monera, which included all prokaryotes. Why is this classification obsolete?

Correct AnswerverifiedShow Answer

The highlighted grouping in the cladogram is a ____________ grouping.

Correct AnswerverifiedShow Answer

Which Domains did Kingdom Monera get divided into?

Correct AnswerverifiedShow Answer

Which of the following list best describes the features used to classify an organism as a member of Domain Bacteria?

Correct AnswerverifiedShow Answer

DNA or protein can be used as a ''molecular clock" that tells how long it has been since two species have diverged from a common ancestor.

Correct AnswerverifiedShow Answer

______ is the process of naming and assigning organisms to a taxon.

Correct AnswerverifiedShow Answer

Which of the following groups represent the current Domains of life?

Correct AnswerverifiedShow Answer

Nonscientists often use the words ''name," ''identify," and ''classify" interchangeably. When they want to know what an organism is, they may ask "Can you name this?" or "Can you identify this?" or "Can you classify this?" Which of the following is/are correct usage(s) of the term(s) ?

Correct AnswerverifiedShow Answer

Which of the following best represents analogous structures?

Correct AnswerverifiedShow Answer

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