The following questions refer to the figure above showing a fish gill filament.
-Paired lungs are characteristic of
A) some fishes.
B) all amphibians.
C) all birds.
D) all mammals.
E) all of these.

Question

The following questions refer to the figure above showing a fish gill filament.
-Paired lungs are characteristic of
A) some fishes. 
B) all amphibians. 
C) all birds. 
D) all mammals. 
E) all of these.

Quizplus · Accepted Answer

Paired lungs are a characteristic feature of some fishes, all amphibians, all birds, and all mammals, making all the options correct.

The Following Questions Refer to the Figure Above Showing a Fish