Question 1

Explain how systematics and Linnaean taxonomy differ.

Accepted Answer

Linnaean taxonomy is based on ...

Question 2

Which of the following is the smallest or least inclusive group?

Accepted Answer

A)   Kingdom
B)   Species
C)   Genus
D)   Class
E)   OrderF) None of the above
G) A) and B)

Question 3

Scientists currently identify three domains: plants, animals, and bacteria.

Accepted Answer

A) True 
 B)False

Question 4

Who was the Swedish naturalist who established the modern system for classifying organisms?

Accepted Answer

A)   Aristotle
B)   Linnaeus
C)   Whittaker
D)   Woese
E)   DarwinF) A) and B)
G) A) and C)

Question 5

Comparing the chromosomes of chimpanzees and humans has revealed that the two species

Accepted Answer

A)   are only distantly related.
B)   should be classified in the same species.
C)   should be classified in the same genus.
D)   are closely related.
E)   should not be classified in the same family.F) C) and E)
G) B) and D)

Question 6

The science of reconstructing an organism's evolutionary history is called systematics.

Accepted Answer

A) True 
 B)False

Question 7

Genetics studies of human populations have revealed that

Accepted Answer

A)   it is nearly impossible to determine the relatedness of human populations.
B)   Homo sapiens probably did not evolve from primates.
C)   all humans are virtually identical.
D)   humans have very little genetic variation compared to other mammals.
E)   human populations vary tremendously at the level of DNA sequences.F) B) and D)
G) A) and C)

Question 8

-Based on the evolutionary tree shown here, which two organisms are most closely related?

Accepted Answer

A)   Humans and orangutans
B)   Chimps and bonobos
C)   Orangutans and common gibbons
D)   Humans and gorillas
E)   Common gibbons and chimpsF) A) and C)
G) A) and B)

Question 9

Which of the following is the smallest or least inclusive group?

Accepted Answer

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

Question 10

The smallest diagnosable group that contains all the descendants of a single common ancestor is a(n) .

Accepted Answer

phylogenet...

Question 11

Which group contains mostly unicellular, eukaryotic organisms?

Accepted Answer

A)   Bacteria
B)   Animalia
C)   Protists
D)   Plantae
E)   FungiF) B) and C)
G) A) and D)

Question 12

Two butterflies have identical wing patterns, but in one the pigment is blue and in the other the pigment is yellow. The original ancestor had green wing pigments. The wing pigment is an example of a(n) .

Accepted Answer

The answer of Two butterflies have identical wing patterns, but...

Question 13

DNA analysis reveals that two species of birds appear to have evolved from a common ancestor. These two species belong to the same

Accepted Answer

A)   gene pool.
B)   species.
C)   breeding group.
D)   clade.
E)   nest group.F) D) and E)
G) All of the above

Question 14

How did Darwin's evolutionary theory change the significance of the taxonomic categories of organisms?

Accepted Answer

Taxonomic categories...

Question 15

Sponges and worms belong to the domain .

Accepted Answer

The answer of Sponges and worms belong to the domain...

Question 16

All organisms that are derived from a single common ancestor make up a clade.

Accepted Answer

A) True 
 B)False

Question 17

Which biologist first proposed that all organisms share a common ancestry?

Accepted Answer

A)   Aristotle
B)   Linnaeus
C)   Whittaker
D)   Woese
E)   DarwinF) B) and E)
G) All of the above

Question 18

-Based on the eukaryotic tree, gymnosperms are most closely related to

Accepted Answer

A)   chlorophyta.
B)   oomycota.
C)   porifera.
D)   angiosperms.
E)   zygomycota.F) B) and E)
G) A) and E)

Question 19

A modern system of classification gives the category name domain to

Accepted Answer

A)   insects.
B)   Prokaryota.
C)   Hominidae.
D)   Fungi.
E)   Eukarya.F) None of the above
G) C) and D)

Question 20

Once an organism is placed in a specific species, the designation cannot be changed.

Accepted Answer

A) True 
 B)False

Exam 19: Systematics: Seeking Order Amid Diversity

All organisms that are derived from a single common ancestor make up a clade.

Correct AnswerverifiedShow Answer

A modern system of classification gives the category name domain to

Correct AnswerverifiedShow Answer

Two butterflies have identical wing patterns, but in one the pigment is blue and in the other the pigment is yellow. The original ancestor had green wing pigments. The wing pigment is an example of a(n) .

Correct AnswerverifiedShow Answer

Explain how systematics and Linnaean taxonomy differ.

Correct AnswerverifiedLinnaean taxonomy is based on ...View AnswerShow Answer

Which of the following is the smallest or least inclusive group?

Correct AnswerverifiedShow Answer

The science of reconstructing an organism's evolutionary history is called systematics.

Correct AnswerverifiedShow Answer

Which biologist first proposed that all organisms share a common ancestry?

Correct AnswerverifiedShow Answer

How did Darwin's evolutionary theory change the significance of the taxonomic categories of organisms?

Correct AnswerverifiedTaxonomic categories...View AnswerShow Answer

Which of the following is the smallest or least inclusive group?

Correct AnswerverifiedShow Answer

Who was the Swedish naturalist who established the modern system for classifying organisms?

Correct AnswerverifiedShow Answer

Scientists currently identify three domains: plants, animals, and bacteria.

Correct AnswerverifiedShow Answer

The smallest diagnosable group that contains all the descendants of a single common ancestor is a(n) .

Correct Answerverifiedphylogenet...View AnswerShow Answer

Sponges and worms belong to the domain .

Correct AnswerverifiedShow Answer

-Based on the eukaryotic tree, gymnosperms are most closely related to

Correct AnswerverifiedShow Answer

DNA analysis reveals that two species of birds appear to have evolved from a common ancestor. These two species belong to the same

Correct AnswerverifiedShow Answer

Which group contains mostly unicellular, eukaryotic organisms?

Correct AnswerverifiedShow Answer

Once an organism is placed in a specific species, the designation cannot be changed.

Correct AnswerverifiedShow Answer

Comparing the chromosomes of chimpanzees and humans has revealed that the two species

Correct AnswerverifiedShow Answer

-Based on the evolutionary tree shown here, which two organisms are most closely related?

Correct AnswerverifiedShow Answer

Genetics studies of human populations have revealed that

Correct AnswerverifiedShow Answer

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Linnaean taxonomy is based on ...
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Taxonomic categories...
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phylogenet...
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