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Zoology 9th Edition by Stephen Miller
Edition 9ISBN: 978-0073524177Zoology 9th Edition by Stephen Miller
Edition 9ISBN: 978-0073524177 Exercise 5
Which of the following statements regarding pneumatic sacs is FALSE?
A) Pneumatic sacs originated as ventral outgrowths of the esophagus.
B) Pneumatic sacs function as lungs in many sarcopterygians.
C) Pneumatic sacs lie dorsal to the digestive tract in modern fish.
D) The more primitive function of pneumatic sacs is to serve as swim bladders for bouyancy regulation.
A) Pneumatic sacs originated as ventral outgrowths of the esophagus.
B) Pneumatic sacs function as lungs in many sarcopterygians.
C) Pneumatic sacs lie dorsal to the digestive tract in modern fish.
D) The more primitive function of pneumatic sacs is to serve as swim bladders for bouyancy regulation.
Explanation
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Verified
The fore-part of the esophagus or the al...
Zoology 9th Edition by Stephen Miller
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