1.) kill it.
2.) pick up its meat. (if it drops any)
3.) cook it with a furnace (optional)
4.) while holding the (cooked) meat, hold the right mouse button until you finish eating it.
Grass, Probably.
no
Minecraft's bats do not eat anything. You can't feed them anything nor do they look for any other kind of food.
No, villagers do not eat.
Yes, there are animals in creative mode.
no
You can put animals in minecarts in the minecraft pocket edition by using the AR cheats.
Horses in Minecraft eat hay. This can be made using wheat. You can also feed them apples.
They don't eat... yet.
They don’t eat
no
no