The first lungs evolved from outpouchings of the gut wall in some ____.
A)bony fishes
B)amphibians
C)birds
D)reptiles
E)early mammals

Name: The first lungs evolved from outpouchings of the gut wall in some ____. A)bony fishes B)amphibians C)birds D)reptiles E)early mammals
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The first lungs evolved in bony fishes as outpouchings of the gut wall, and from there, evolved into more efficient respiratory structures in amphibians, reptiles, birds, and mammals.

The First Lungs Evolved from Outpouchings of the Gut Wall