Help meh please. My brain be blank​

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

In a cladogram' when does a group of organisms branch off