The lungfishes
A)are all extinct.
B)do not really have functional lungs.
C)live only in Australia,Africa,and South America.
D)are an aberrant branch of the cartilaginous fishes.
E)are survivors of primitive ray-finned fishes.

Question

Quizplus · Accepted Answer

Lungfishes are found in Australia, Africa, and South America. They are not found in any other parts of the world, making this option the correct one. Option A is incorrect because lungfishes are not extinct. Option B is incorrect because lungfishes do have functional lungs. Option D is incorrect because lungfishes are a type of bony fish, not cartilaginous fish. Option E is incorrect because lungfishes are not survivors of primitive ray-finned fishes; they are a distinct group of fishes that evolved their unique characteristics independently.

The Lungfishes