Prokaryotic cells have a cell wall, Eukaryotic cells do not. Eukaryotic cells are much larger an are in fact more complex then Prokaryotic cells. Eukaryotic cells have a true nucleus bound by a doubled membrane. Prokaryotic cells have no nucleus.
Darwin’s theory and the flow of genetic information and how we evolves for example the primates this is an example of evolution. It is the progress of mankind and for creatures