Question 1

What type of symmetry does this organism exhibit?

Accepted Answer

A)  asymmetrical
B)  binomial
C)  radial
D)  bilateralE) B) and D)
F) None of the above

Question 2

Unique features of vertebrates include the presence of a(n) ________.

Accepted Answer

A)  endoskeleton
B)  notochord
C)  skull and a backbone
D)  pharyngeal slitE) B) and C)
F) C) and D)

Question 3

Which anthropoids are most closely related to humans?

Accepted Answer

A)  orangutans
B)  chimpanzees
C)  gorillas
D)  gibbonsE) C) and D)
F) None of the above

Question 4

The mobile stage of the cnidarian life cycle is the ________ stage.

Accepted Answer

A)  bilateral
B)  polyp
C)  tadpole
D)  medusaE) A) and C)
F) B) and C)

Question 5

Among vertebrates,the unique feature of lampreys and hagfish is the ________.

Accepted Answer

A)  presence of a cartilaginous skeleton
B)  absence of a backbone
C)  absence of jaws
D)  absence of a postanal tailE) B) and C)
F) A) and B)

Question 6

While on an archaeology expedition,you unearth a skeleton with the following characteristics: four long,slender finger bones and a smaller opposable thumb bone,long arm bones,fingernails,and eye sockets close together on a skull.What type of organism do you suspect you may have found?

Accepted Answer

A)  an anthropoid
B)  a tarsier
C)  a crustacean
D)  a marsupialE) A) and B)
F) A) and D)

Question 7

A characteristic that is shared by snakes and birds is ________.

Accepted Answer

A)  being ectothermic
B)  the presence of only a single ovary in females
C)  the amniotic egg
D)  being endothermicE) A) and B)
F) A) and C)

Question 8

Which of the following is one way in which scientists can test hypotheses about events that occurred in the distant past?

Accepted Answer

A)  by dissecting current animal specimens
B)  by analyzing fossils recovered from the Earth
C)  by visiting local libraries to research the events
D)  by interviewing current scientists and researchersE) A) and D)
F) All of the above

Question 9

Almost every element of bird anatomy is modified for what?

Accepted Answer

A)  laying eggs
B)  eating seeds
C)  enhancement of flight
D)  singing unique songsE) None of the above
F) A) and B)

Question 10

A(n) ________ is an example of a chordate that is not a vertebrate.

Accepted Answer

A)  lancelet
B)  echinoderm
C)  bird
D)  fishE) A) and B)
F) B) and C)

Question 11

________ are characterized by stinging cells used for defense and for capturing prey.

Accepted Answer

A)  Annelids
B)  Sponges
C)  Cnidarians
D)  RoundwormsE) B) and D)
F) B) and C)

Question 12

________ are the mammalian group that lays eggs.

Accepted Answer

A)  Eutherians
B)  Tunicates
C)  Monotremes
D)  MarsupialsE) All of the above
F) A) and B)

Question 13

The platypus is a ________.

Accepted Answer

A)  bird
B)  marsupial
C)  eutherian
D)  monotremeE) A) and C)
F) A) and D)

Question 14

A(n) ________ is an example of a mollusc that does not have a shell.

Accepted Answer

A)  octopus
B)  snail
C)  spider
D)  oysterE) A) and B)
F) A) and C)

Question 15

________ are the most diverse group of arthropods.

Accepted Answer

A)  Insects
B)  Millipedes
C)  Arachnids
D)  CrustaceansE) B) and C)
F) A) and D)

Question 16

The process of biological evolution often allows humans to survive consistent environmental stresses that occur across multiple generations.As humans colonized Earth's diverse environments,they encountered hot,dry areas and decided to settle.What trait likely offered an advantage in this environment?

Accepted Answer

A)  the ability to produce sweat to cool their bodies
B)  the ability to shiver to create body heat
C)  the ability to squint eyes to block out bright light
D)  the ability to dig deep holes to find groundwaterE) B) and C)
F) A) and C)

Question 17

The figure below shows a simple worm.Bilateral symmetry and a highly branched gastrovascular cavity all suggest that the worm is a(n) ________.

Accepted Answer

A)  annelid
B)  mollusk
C)  chordate
D)  flatwormE) A) and B)
F) A) and C)

Question 18

The lancelet is a(n) ________.

Accepted Answer

A)  annelid
B)  flatworm
C)  chordate
D)  tunicateE) B) and D)
F) All of the above

Exam 17: The Evolution of Animals

Unique features of vertebrates include the presence of a(n) ________.

Correct Answer
verified

Correct Answer
verified

Among vertebrates,the unique feature of lampreys and hagfish is the ________.

Correct Answer
verified

The figure below shows a simple worm.Bilateral symmetry and a highly branched gastrovascular cavity all suggest that the worm is a(n) ________.

Correct Answer
verified

A(n) ________ is an example of a mollusc that does not have a shell.

Correct Answer
verified

The platypus is a ________.

Correct Answer
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The mobile stage of the cnidarian life cycle is the ________ stage.

Correct Answer
verified

While on an archaeology expedition,you unearth a skeleton with the following characteristics: four long,slender finger bones and a smaller opposable thumb bone,long arm bones,fingernails,and eye sockets close together on a skull.What type of organism do you suspect you may have found?

Correct Answer
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Which anthropoids are most closely related to humans?

Correct Answer
verified

________ are the mammalian group that lays eggs.

Correct Answer
verified

What type of symmetry does this organism exhibit?

Correct Answer
verified

A(n) ________ is an example of a chordate that is not a vertebrate.

Correct Answer
verified

________ are the most diverse group of arthropods.

Correct Answer
verified

Which of the following is one way in which scientists can test hypotheses about events that occurred in the distant past?

Correct Answer
verified

A characteristic that is shared by snakes and birds is ________.

Correct Answer
verified

________ are characterized by stinging cells used for defense and for capturing prey.

Correct Answer
verified

Almost every element of bird anatomy is modified for what?

Correct Answer
verified

The lancelet is a(n) ________.

Correct Answer
verified

Exam 17: The Evolution of Animals

Unique features of vertebrates include the presence of a(n) ________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Among vertebrates,the unique feature of lampreys and hagfish is the ________.

Correct AnswerverifiedShow Answer

The figure below shows a simple worm.Bilateral symmetry and a highly branched gastrovascular cavity all suggest that the worm is a(n) ________.

Correct AnswerverifiedShow Answer

A(n) ________ is an example of a mollusc that does not have a shell.

Correct AnswerverifiedShow Answer

The platypus is a ________.

Correct AnswerverifiedShow Answer

The mobile stage of the cnidarian life cycle is the ________ stage.

Correct AnswerverifiedShow Answer

While on an archaeology expedition,you unearth a skeleton with the following characteristics: four long,slender finger bones and a smaller opposable thumb bone,long arm bones,fingernails,and eye sockets close together on a skull.What type of organism do you suspect you may have found?

Correct AnswerverifiedShow Answer

Which anthropoids are most closely related to humans?

Correct AnswerverifiedShow Answer

________ are the mammalian group that lays eggs.

Correct AnswerverifiedShow Answer

What type of symmetry does this organism exhibit?

Correct AnswerverifiedShow Answer

A(n) ________ is an example of a chordate that is not a vertebrate.

Correct AnswerverifiedShow Answer

________ are the most diverse group of arthropods.

Correct AnswerverifiedShow Answer

Which of the following is one way in which scientists can test hypotheses about events that occurred in the distant past?

Correct AnswerverifiedShow Answer

A characteristic that is shared by snakes and birds is ________.

Correct AnswerverifiedShow Answer

________ are characterized by stinging cells used for defense and for capturing prey.

Correct AnswerverifiedShow Answer

Almost every element of bird anatomy is modified for what?

Correct AnswerverifiedShow Answer

The lancelet is a(n) ________.

Correct AnswerverifiedShow Answer

Correct Answer
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