You combine two headless zombies in a zombie pot.
To grow a skull head zombie you need to mix in two party zombies in the pot two get a skull zombie.
yes
Nothing
To get that farm banner on Zombie Farm, you've got to win an invasion and have some luck with the loot you get.
You cant. Thats in Plants vs. zombies, not zombie farm.
you cant .....
shot it with an arrow
You buy it from the store.
Combine flower zombie with flower zombie.
you get a zombutterfly
surround the zombie with plants