The cladogram shown here shows the common ancestor of four classes of animals. One class that is missing is the modern-day fish. What does this image tell us about the ancient lobe-finned fish?

Question

Responses

ALobe-finned fish did not have scales.
Lobe-finned fish did not have scales.
BThe lobe-finned fish had lungs, not gills.
The lobe-finned fish had lungs, not gills.
CThe fins are muscle- and skin-covered bone.
The fins are muscle- and skin-covered bone.
DThe lobe-finned fish was the first organism to walk on land.

has to be one of the answers above

Answer 1

BThe lobe-finned fish had lungs, not gills.