Context: This picture shows a fossil of an animal called Galeocerdo.
Some fossils of Galeocerdo are over 2,000,000 years old.
Which trait did Galeocerdo have? Select the trait you can observe on the fossil.
A. a round, flat body
B. fins on its back
C. gray skin
Identify the correct option from the choices provided and respond with the letter of the correct option.
Answer: B