Question 1

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) A) and C)

Question 2

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) All of the above
F) None of the above

Question 3

The famous Greek philosopher Aristotle could be thought of as a taxonomist since he identified and grouped organisms.

Accepted Answer

A) True 
 B)False

Question 4

DNA barcoding is a guaranteed method of determining an organisms taxonomic group.

Accepted Answer

A) True 
 B)False

Question 5

Which Domains did Kingdom Monera get divided into?

Accepted Answer

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

Question 6

The principle of parsimony states that a cladogram produces the best hypothesis about relationships of organisms when the maximum number of assumptions are considered.

Accepted Answer

A) True 
 B)False  False

Question 7

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 C)

Question 8

If a phylogeny is based on the natural evolution of organisms,it could

Accepted Answer

A)  explain the variations among fossils from rock strata.
B)  explain why there are similarities and differences among modern living groups.
C)  reflect patterns of shared and unique sections of DNA among groups of animals.
D)  help predict where unresearched features will be in common,such as how widely a medicine will be effective among animals.
E)  All of the choices are correct.F) B) and E)
G) A) and D)

Question 9

The highlighted grouping in the cladogram is a ____________ grouping.

Accepted Answer

A)  monophyletic
B)  paraphyletic
C)  polyphyletic
D)  None of the above.E) All of the above
F) B) and C) A

Question 10

Domain Archaea is the only domain in which the organisms lack membrane bound organelles.

Accepted Answer

A) True 
 B)False

Question 11

New data about rRNA led to the three domain system of classification.

Accepted Answer

A) True 
 B)False

Question 12

Single celled eukaryotic cells belong to which of the following domains?

Accepted Answer

A)  Eukarya
B)  Fungi
C)  Animalia
D)  PlantaeE) A) and B)
F) A) and C)

Question 13

Taxonomy

Accepted Answer

A)  is the branch of biology dealing with the naming,identification,and classification of organisms.
B)  uses a binomial system developed by Linnaeus.
C)  uses reproductive isolation as the basis of definition of a species.
D)  All of the choices are correct.E) A) and B)
F) None of the above

Question 14

What is the correct order of the Linnaean system of classification,starting with the most general category?

Accepted Answer

A)  Domain,Kingdom,Phylum,Class
B)  Domain,Phylum,Class,Kingdom
C)  Kingdom,Class,Phylum,Species
D)  Genus,Order,Class,Phylum,E) B) and C)
F) B) and D)

Question 15

Which kingdom is correctly described?

Accepted Answer

A)  Plantae: multicellular and photoautotrophic
B)  Fungi: multicellular and heterotrophic by ingestion
C)  Animalia: multicellular and heterotrophic by absorption
D)  Protista: unicellular and heterotrophic onlyE) B) and D)
F) None of the above

Question 16

Phylogenetic trees with proportional branch lengths

Accepted Answer

A)  indicate relatedness among organisms.
B)  indicate the relative number of nucleotide pair differences between groups.
C)  are constructed by comparing DNA sequences of homologous genes and calibrating this molecular clock with the fossil record.
D)  All of the above are true.
E)  indicate relatedness evolutionary time.F) A) and B)
G) A) and C)

Question 17

The evolution of organisms in the three domains and four kingdoms is most accurately described by which sequence?

Accepted Answer

A)  Prokaryotes to Protists to Plants,from Plants separately to both Animals and Fungi
B)  Prokaryotes to Fungi to Protists to Plants to Animals
C)  Prokaryotes to Protists,from Protists separately to Fungi,Plants,and Animals
D)  Protists to Prokaryotes to Fungi,from Fungi separately to Plants and Animals
E)  Prokaryotes to Protists,separately to Animals and Plants with Fungi a loss of plant photosynthesisF) C) and E)
G) B) and D) C

Question 18

Which kingdom or supergroup is characterized by organisms that are heterotrophic by ingestion?

Accepted Answer

A)  Animal
B)  Plant
C)  Fungi
D)  ProtistsE) C) and D)
F) B) and D)

Question 19

Convergent evolution has occurred when distantly related species have a structure that looks the same only because of adaptation to the same type of environment.

Accepted Answer

A) True 
 B)False

Question 20

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

Exam 19: Taxonomy,systematics,and Phylogeny

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The famous Greek philosopher Aristotle could be thought of as a taxonomist since he identified and grouped organisms.

Correct AnswerverifiedShow Answer

DNA barcoding is a guaranteed method of determining an organisms taxonomic group.

Correct AnswerverifiedShow Answer

Which Domains did Kingdom Monera get divided into?

Correct AnswerverifiedShow Answer

The principle of parsimony states that a cladogram produces the best hypothesis about relationships of organisms when the maximum number of assumptions are considered.

Correct AnswerverifiedFalse

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

Correct AnswerverifiedShow Answer

If a phylogeny is based on the natural evolution of organisms,it could

Correct AnswerverifiedShow Answer

The highlighted grouping in the cladogram is a ____________ grouping.

Correct AnswerverifiedA

Domain Archaea is the only domain in which the organisms lack membrane bound organelles.

Correct AnswerverifiedShow Answer

New data about rRNA led to the three domain system of classification.

Correct AnswerverifiedShow Answer

Single celled eukaryotic cells belong to which of the following domains?

Correct AnswerverifiedShow Answer

Taxonomy

Correct AnswerverifiedShow Answer

What is the correct order of the Linnaean system of classification,starting with the most general category?

Correct AnswerverifiedShow Answer

Which kingdom is correctly described?

Correct AnswerverifiedShow Answer

Phylogenetic trees with proportional branch lengths

Correct AnswerverifiedShow Answer

The evolution of organisms in the three domains and four kingdoms is most accurately described by which sequence?

Correct AnswerverifiedC

Which kingdom or supergroup is characterized by organisms that are heterotrophic by ingestion?

Correct AnswerverifiedShow Answer

Convergent evolution has occurred when distantly related species have a structure that looks the same only because of adaptation to the same type of environment.

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

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False

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A

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C

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