You do know that only about 1 in 100 mutations are neutral or beneficial. “Paramecia” could and still cannot not see, hear or pump blood. Yet, you expect me to believe that there existed a step by step process whereby fish, birds, insects, cheetahs and man evolved into being. Sorry, I lack the faith necessary to become a disciple of Darwin.
Still love ya’, FRiend!!!
Fine, but paramecia are not animals, they are unicellular protists, so it’s not a fair comparison. Things like organs and nervous systems only occur in multicellular animals.