Pidgeotto evolves at level 36.
Pidgeotto evolves into Pidgeot at level 36.
Pigiotto envolves at level 30-39, it depends.
36
pidgey evolves in Pokemon silver at lv 18 and then into pidgeot at lv 36 but u can catch wild pigiotto at 15 under the town with the burned tower were the twin trainers are
you level up a magnemite until its about level 30 then it evolves into a magneton
Tentacool evolves into Tentacruel at Level 30.
Buneary evolves when you level it up until its happiness is at 220.
Sandshrew evolves at level 22in all games
Feebas evolves when you feed it with a lot of Beauty poffins until its beauty level evolves it into Milotic.
Carvanha evolves into Sharpedo at level 30.
Mareep evolves into flaffy at either level 15 or 16. flaffy evolves once again into Ampharos at level 30.
Mareep evolves at lv. 15. Hope I helped! 8[]mareep evolves into flaaffy at level 15 then ampharos at level 30.