Sudowoodo does not evolve. That is its final evolution.
Mareep will evolve at Level 15 in Pokémon Crystal.
It doesn't evolve (this isn't the kind of question i usually answer but i couldn't help my nostalgia)
In pokemon crystal Pigeotto evolve in 36lvl
Drowzee evolve into Hypno at level 26.
Slowpoke will evolve at Level 37.
Level 25
level 26
Miltank doesn't evolve.
Get it to level 55 to evolve it into dragonite
level 22
The Level When You Get A Life.
level 30