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Zoology 8th Edition by Stephen Miller,John Harley
Edition 8ISBN: 978-0073028200Zoology 8th Edition by Stephen Miller,John Harley
Edition 8ISBN: 978-0073028200 Exercise 37
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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The class Chondrichthyes consists of Car...
Zoology 8th Edition by Stephen Miller,John Harley
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