Answer:
What can provide food before it is alive, while it is alive and after it's dead?
It's small but larger than a bee, And agile as a flea. It humms but does not buzz, And it's not covered with fuzz. It is a small collector, Of juicy flower nectar.
In the fields a frightful thing. Watch it and you will find, it has a pitchfork in the front, and a broom back behind.
What has armor but is not a knight, snaps but is not a twig, and is always at home even on the move?
A nutcracker up in a tree
What is always coming but never arrives?