Are dragon ball and Dragon Ball Z different

yes they are ------------ Yes They Are Because Dragon Ball Is About Son Goku (Main Character) As A Kid Growing Up Until He Becomes A Teen Then He Gets Married. Dragon Ball Z is About Son Goku's Adult Life And It Also Focuses On His Son's Life (Son Gohan) Goku Becomes a Super Saiyan and goes all the way to Super Saiyan 3 And He Fights Enemies And Becomes Stronger.