My team!
Fearow(Final Evolution, Flying Normal)
Bulbasaur(Basic, Grass/Poison)
Sandslash(Final Evolution, Ground)

Pidgeotto versus Sandslash! Pidgeotto is a middle stage Pokemon, while Sandslash is fully evolved. So Sandslash wins.
Sandshrew versus Bulbasaur! They both have a type advantage of each other, so it is a draw.
Metapod versus Fearow! Fearow is fully evolved and has a type advantage over Metapod, so Fearow wins!