Question 1

The lateral line is:

Accepted Answer

A)   a lateral stripe on the side of male fish that aids in sex-recognition
B)   a series of sensory organs that detects pressure waves in the water
C)   the row of fins along the sides of eels
D)   the row of pharyngeal slits along each side of the heads of fish
E)   the row of small blocks of cartilage along each side of the notochord of agnathan fishesF) A) and E)
G) A) and D)

Question 2

Marsupials are distinguished by:

Accepted Answer

A)   a marsupium
B)   a marzipan
C)   opposable thumbs
D)   nails
E)   All of the choices provided are correctF) None of the above
G) A) and B)

Question 3

A hominin is:

Accepted Answer

A)   different words with the same pronunciation, like "whale" and "wail"
B)   all forms of humans, extinct and extant
C)   arboreal primates
D)   the lesser apes
E)   chimpanzees and gorillasF) C) and E)
G) None of the above

Question 4

Epidermal placodes are:

Accepted Answer

A)   epidermal thickenings that give rise to integumental coverings such as feathers and hair
B)   epidermal thickenings that give rise to the lateral line system
C)   epidermal thickenings that lead to the formation of mesoderm
D)   epidermal thickenings that give rise to skin glands
E)   none of the choices providedF) A) and D)
G) A) and C)

Question 5

Which of the following statement best describes the defining characteristics of members of the Class Testudines?

Accepted Answer

A)   They lack teeth.
B)   They have a hard shell.
C)   They have a kinetic skull.
D)   They have both a hard shell and are lacking in teeth.
E)   They have both a kinetic skull and a hard shell.F) A) and D)
G) B) and E)

Question 6

The Order Primates had its origin in:

Accepted Answer

A)   small arboreal monotremes
B)   bipedal marsupials
C)   small, arboreal, insect-eating mammals
D)   bipedal ornithischian dinosaurs
E)   theropods with hairF) A) and E)
G) C) and D)

Question 7

In addition to the defining features of chordates, ALL craniates are distinguished by which of the following combination of features?

Accepted Answer

A)   a cranium and a gnathostome
B)   a cranium and neural crest
C)   a cranium and protostome development
D)   a cranium and an ostracoderm
E)   a cranium and an operculumF) C) and E)
G) B) and D)

Question 8

Which of the following statements best describes the differences between snakes and lizards?

Accepted Answer

A)   All snakes lack eyelids and all lizards have eyelids.
B)   All snakes lack external ear openings and all lizards have external ear openings.
C)   Some snakes are venomous and no lizards are.
D)   All snakes lack limbs but all lizards have limbs.
E)   None of the other choices are foolproof and combinations of characteristics are sometimes necessary to distinguish lizards and snakes.F) A) and E)
G) A) and D)

Question 9

A distinguishing feature of Lepidosauria is their:

Accepted Answer

A)   hard shell
B)   kinetic skull
C)   external fertilization
D)   shell-less eggs
E)   none of the choices providedF) B) and C)
G) A) and E)

Question 10

Which of the following taxa are extant (have at least some members that are still living; opposite of extinct) ?

Accepted Answer

A)   Ornithischia
B)   Lepidosauria
C)   Saurischia
D)   theropods
E)   ichythosaursF) B) and D)
G) A) and E)

Question 11

Which of the following groups of animals is NOT completely extinct?

Accepted Answer

A)   Ostracoderms
B)   Acanthodii
C)   Placodermi
D)   Acanthostega
E)   CoelocanthF) C) and E)
G) D) and E)

Question 12

Some dinosaurs had feathers.

Accepted Answer

A) True 
 B)False

Question 13

Acanthostega is an important fossil for the understanding of phylogeny because it is an intermediate form between lobe-finned fishes and amphibians.

Accepted Answer

A) True 
 B)False

Question 14

The formation of feathers, hair, and reptilian scales is based on completely different developmental patterns and genetic influences.

Accepted Answer

A) True 
 B)False

Question 15

Several species of humans have occurred together in the same time and place in the past.

Accepted Answer

A) True 
 B)False

Question 16

The IMMEDIATE ancestors of humans (genus Homo)  were the:

Accepted Answer

A)   chimpanzees
B)   australopithecines
C)   prosimians
D)   gibbonsE) All of the above
F) A) and B)

Question 17

Which of the following statements is NOT true of Chondrichthyans?

Accepted Answer

A)   They have internal fertilization.
B)   They were the first vertebrates to develop teeth.
C)   Their buoyance is maintained partly by the oil in their livers.
D)   They are color blind.
E)   Their teeth are composed of dentine and enamel whereas the scales are made of chitin.F) C) and D)
G) A) and C)

Question 18

Archaeopteryx lithograpica:

Accepted Answer

A)   was the first fossil directly linking birds to reptiles
B)   had a beak with teeth
C)   had a small, reptilian breastbone
D)   had both claws and feathers on the wings
E)   All of the choices provided are trueF) None of the above
G) D) and E)

Question 19

Hagfish are craniates but are not vertebrates.

Accepted Answer

A) True 
 B)False

Question 20

Our species, Homo sapiens, had been in existence for only somewhat more than 50,000 years when it moved out of Africa and replaced Neanderthal Man, another species of human, about 30,000 years ago.

Accepted Answer

A) True 
 B)False

Exam 34: The Vertebrates

Epidermal placodes are:

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Archaeopteryx lithograpica:

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A distinguishing feature of Lepidosauria is their:

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Which of the following statement best describes the defining characteristics of members of the Class Testudines?

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The lateral line is:

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The formation of feathers, hair, and reptilian scales is based on completely different developmental patterns and genetic influences.

Correct AnswerverifiedShow Answer

The Order Primates had its origin in:

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Some dinosaurs had feathers.

Correct AnswerverifiedShow Answer

Hagfish are craniates but are not vertebrates.

Correct AnswerverifiedShow Answer

Which of the following taxa are extant (have at least some members that are still living; opposite of extinct) ?

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true of Chondrichthyans?

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Which of the following statements best describes the differences between snakes and lizards?

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Acanthostega is an important fossil for the understanding of phylogeny because it is an intermediate form between lobe-finned fishes and amphibians.

Correct AnswerverifiedShow Answer

Marsupials are distinguished by:

Correct AnswerverifiedShow Answer

In addition to the defining features of chordates, ALL craniates are distinguished by which of the following combination of features?

Correct AnswerverifiedShow Answer

Our species, Homo sapiens, had been in existence for only somewhat more than 50,000 years when it moved out of Africa and replaced Neanderthal Man, another species of human, about 30,000 years ago.

Correct AnswerverifiedShow Answer

The IMMEDIATE ancestors of humans (genus Homo) were the:

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A hominin is:

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Which of the following groups of animals is NOT completely extinct?

Correct AnswerverifiedShow Answer

Several species of humans have occurred together in the same time and place in the past.

Correct AnswerverifiedShow Answer

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