Question

Look at the sketches. The sketch on the left is of a fish embryo, and the sketch on the right is of a pig embryo.

Which of the following statements is the best explanation for why the embryos look so similar, considering how different an adult fish and pig are?

Fish and pigs both need gills.

Fish and pigs are both mammals.

Fish and pigs share a common ancestor.

Answer 1

Answer: C, Fish and pigs share a common ancestor.

Step-by-step explanation:

Answer 2

Answer: C

Step-by-step explanation: