On level 40
Anorith evolves at level 40 into Armaldo.
It does not evolve by level. You need to give it a sun stone for it to evolve.
Lillipup can evolve at Level 16.
Level it up to level 50, then it will evolve into Zweilous. Level it up to level 64, to evolve it into Hydreigon.
watchog does not evolve
Level it to 41 and it will evolve
Virizion does not evolve.
To evolve Mantyke in pokemon black/white 2 you have to level it up with a remoraid in your party then it will evolve into mantine
In Pokémon Black, Timburr will evolve starting at Level 25.
at level 31.
You can evolve a Gabite by leveling it up to level 48.