The table shows the bone arrangements in the fossil of an organism, Basilosaurus cetoides, compared with the skeleton of a blue whale. Basilosaurus cetoides was a large mammal that existed 35 million years ago. It was 20 m long and had a large skull, incompletely formed legs, short arms, and a long tail. Scientists claim that the blue whale, which first appeared 1.5 million years ago, is related to Basilosaurus cetoides.
Which argument based on the evidence helps support the scientists’ claim?