Venipede evolves into Whirlipede at level 21.
Venipede evolves at level 22.
Venipede evolves into Whirlipede at Level 22.
it goes like this from Serebii.net venipede...>> Level 22...> Whirlipede...>> Level 38...> Scolipede glad to answer...Veronica
Venipede shows up in Pinwheel Forest and Lostlorn Forest
Carracosta does not evolve
Absol doesn't evolve.
narrow the question to a specific Pokemon
Venipede is only obtainable in Pokemon Black, White, Black 2 and White 2. But it evolves at level 22 into Whirlpede and level 30 into Scolipede.
Happiny
Only by trade.
Vulcurna does not evolve. It is the 2 and final stage.
Venipede is available early on in Pokemon Black / White (I hope this is the game you're referring to) as it can be caught in Pinwheel Forest at around Lv. 15