human
Question: Comparing the skeletons of which of the following fish would best show the evolution of a fish species?

Choices:
A) a male fish and a female fish that could produce offspring
B) the same fish just before it received a cut and after it healed
C) a fish that lived recently and a fish that lived a long time ago
D) the same fish just after it hatched and when it was full-grown
gpt
The correct answer is 2: a fish that lived recently and a fish that lived a long time ago.