Scientists have discovered a fossil that they believe to be an ancestor to modern day sharks. Which of the following is the most reliable piece of
evidence that supports this conclusion? *
A. Teeth from the fossil closely resemble the teeth of modern day shark.
B. The fossil bones are within the normal size range of modern day sharks.
O
C. Bone structures of the fossil are compared t cry o a modern day shark and several
similarities are noted.
D. DNA samples from the fossil and from a modern day shark have been compared
and show a high percentage of similarities