Which of the Following is Most Closely Related to the Lobe-Finned

Question

Which of the following is most closely related to the lobe-finned fishes?  
A) Ray-finned fishes
B) Tunicates
C) Mammals
D) Cartilaginous fishes
E) Lancelets

Accepted Answer

Mammals, including humans, are most closely related to lobe-finned fishes (Sarcopterygii) in evolutionary terms. This group shares a common ancestor, and the lobe-finned fishes are considered to have given rise to the first terrestrial vertebrates, which eventually led to the evolution of mammals.