Raticate does not evolve into Sentret. Sentret is of a completely different evolution line, being the pre-evolution of Furret.
sentret evolves into Furret
Sentret evolves at level 18 into Furret.
Unfortunately Raticate is the last in the Rattata family. I know how you feel. We all long for an evolution of Raticate sometimes ;P
Sadly..... Raticate does not evolve.
Sentret evolves into Furret at lv. 15
sentret evolves at level 15
Sentret is a Normal type pokemon.
It doesn't.Rattata evolves to Raticate at level 20.
Yes, Sentret can evolve in Pokémon Colosseum.
Sentret evolves into Furret at level 15.
I dunno, the last time my Sentret, I think it was level 4 or something. I don't really remember because my Sentret doesn't often.
You can find a Sentret in the grass above Sandgem using the poke radar. It's a 5% chance it will be Sentret.