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Comparative Vertebrate Anatomy > Unit 2 > Flashcards

Unit 2 Flashcards

1
Q

Which bones make up the suspensorium?

A
  • pterygoids
  • hyomandibula
  • quadrate
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2
Q

Which of the following is NOT a member of TELEOSTOMI?

  • Sarcopterygii
  • Actinopterygii
  • Elasmobranchii
  • Acanthodii
A

Elasmobranchii

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3
Q

Subclass of tiktaalik?

A

Subclass “Rhipidistia”

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4
Q

Subclass of coelocanth?

A

Subclass Coelocanthimorphes

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5
Q

Subclass of lungfish?

A

Subclass Dipnoi

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6
Q

In the Sarcopterygia, which bone connects directly to the pectoral girdle?

A

Post-temporal

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7
Q

Which group is characterized by a large spine on the leading edge of each fin?

A

Acanthodii

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8
Q

In the Sarcopterygia, which bone of the pectoral girdle is NOT endochondral?

A

cleithrum

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9
Q

Which type of scale is found on sarcopterygiians?

A

cosmoid

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10
Q

Which of the following is NOT a major innovation in the Osteichthyes?

  • ossification of bone
  • swim bladder
  • operculum
  • jaw
A

jaw

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11
Q

In the Sarcopterygian heart, where would you see the highest chance of oxygenated and deoxygenated blood mixing?

A

Between the atria and the interventricular plug?

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12
Q

In the Sarcopterygia, which bone of the pectoral girdle is unpaired?

A

interclavicle

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13
Q

Distal part of the fin which attaches the basals to the fin rays

A

radial pterygiophores

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14
Q

The internal bony rays which support the fins

A

lepidotrichia

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15
Q

Proximal part of the fin which attaches the fin directly to the body

A

basal pterygiophores

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16
Q

T/F: The Sarcopterygii are known as ray-finned fish

A

False. Lobe-finned fish

17
Q

In the Osteichthyes, the ___ is primarily an organ used to adjust positioning in the water column and secondarily becomes co-opted for ancillary respiratory functions.

A

Swim bladder

18
Q

Which of the following best describes the circulatory system of a sarcopterygiian?

  • fully functional dual circuit pump
  • primitive dual circuit pump
  • primitive single-circuit pump
  • derived dial-circuit pump
A

Primitive dual-circuit pump

19
Q

What is the appropriate level of classification within the Actinopterygii for birches?

A

Order Polypteriformes

20
Q

What is the appropriate level of classification within the Actinopterygii for bowfin?

A

Order Amiiformes

21
Q

What is the appropriate level of classification within the Actinopterygii for sturgeon and paddlefish?

A

Order Acipenseriformes

22
Q

What is the appropriate level of classification within the Actinopterygii for gars?

A

Order Lepisosteiformes

23
Q

What is the appropriate level of classification within the Actinopterygii for salmon?

A

Order Salmoniformes

Comparative Vertebrate Anatomy (7 decks)

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