If i'm correct. it should be Macroevolution
Answer:
Prokaryotic cell has undeveloped nucleus but eukaryotic cell has well developed nucleus.
I believe the answer is gene splicing
Explanation:
Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics. The demands of a different environment or the characteristics of the members of the new group will differentiate the new species from their ancestors.
Hope this helps!! :)
C is the answer to your problem