gly 1102 topic 36

question

All pterosaurs’ skulls have huge eye sockets.
answer

true
question

The 400-500 teeth in each jaw of Pterodaustro may have been used as a sieve for filtering out plankton scooped up into its mouth.
answer

true
question

Most endotherms bear live young.
answer

true
question

Ramphorhyncoids went extinct prior to the great extinction of dinosaurs at the end of the Cretaceous.
answer

true
question

In most pterosaurs, the scapula and coracoid are fused to form a
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scapulocoracoid
question

Pterosaurs have a global distribution.
answer

true
question

The pterosaurs diversified into several lineages during the Lower Triassic.
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false
question

Pterosaurs were the first vertebrates to develop flapping flight.
answer

true
question

All pterosaurs lacked teeth.
answer

false
question

The (blank) was a pterosaur membrane that extended from the fifth toe to the tail along the posterior edge of the leg.
answer

uropagatia
question

Only endothermic animals have developed the ability to fly.
answer

true
question

Which vertebrates were the first to be capable of powered flight?
answer

pterosaurs
question

The shape of the deltopectoral crest is used to differentiate pterosaur clades.
answer

true
question

The earliest pterosaurs are from the (blank) of Italy.
answer

Upper Triassic
question

Some Rhamphorhynchus specimens have a membranous tail vane.
answer

true
question

Which statement about pteranodons is false?
answer

They were all filter feeders. (True: They are toothless. They are the largest pterosaurs. They exhibit sexual dimorphism. They have global distribution.)
question

A decrease in abundance and diversity of pterosaurs during the Cretaceous, most probably was caused by
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diversification of marine birds.
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There is no evidence that pterosaurs had body hair.
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false
question

Pterosaurs have a small head, relative to body size.
answer

false
question

There is no evidence of sexual dimorphism in pterosaurs.
answer

false
question

Pteranodons are among those pterosaurs exhibiting a number of anatomical differences between the sexes.
answer

true
question

The (blank) is a small membrane spanning the area between the shoulder and the wrist of pterosaurs.
answer

propatagium
question

The main wing membrane of pterosaurs is the
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patagium.
question

The pterosaur images in your text reveal that this South American country has a rich fossil record of these winged creatures.
answer

Brazil
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The pterosaur humerus has a large (blank), an anterior projection for the anchoring of flight muscles.
answer

deltopectoral crest

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