It evolves into Lombre at level 14 and then evolves into Ludicolo if you use a Water Stone on it.
Yes, it evolves at level 14.
Lotad evolves into Lombre at Level 14.
sentret evolves at level 20 in Pokemon heartgold
Ampharos does not evolve in Pokémon HeartGold.
Level 36
Level 15.
level 30
level 20
level 31
Level 30.
Kabuto will evolve at level 40.
Feebas does not evolve by level in Pokemon HeartGold. Feebas evolves when it levels up while it has a maximized beauty condition.