Image 1 has flipper shaped legs and a small tail. Image 2 does not have legs, has three fins on the bottom, and two on the top with a forked tail. Image 3 has two small fins on the bottom and a tail. Image 4 has legs, with toes, and a long smooth tail.
Paleontologists have discovered fossils of related fish species that evolved into land animals. The images are artistic representations of these creatures.
The most recent is Pederpes at the bottom.
Use your knowledge of developmental changes to order the fish from earliest to most recent. Choose the correct order from the drop-down menu.