Omanyte evolves at Lv.40 in heartgold.
Quilava evolves at level 36
sentret evolves at level 20 in Pokemon heartgold
it evolves from pineco at level 31
it evolves at level 36
It evolves at level 36.
None, DRATINI EVOLVES BY LEVEL (30)
It evolves when it reach level 15.
It evolves into Abomasnow at level 40
Pichu evolves by happiness.
Seedot evolves at level 14.
Grovyle evolves into Sceptile at level 36.
Spinarak evolves into Ariados at level 22.