Answer:
I wiggle and cannot see; sometimes underground and sometimes on a tree. I really don't want to be on a hook and I become a person when combined with “book”.
I am the kind of an ant that's good at math. What am I?
What has a bottom at the top?
I am the kind of fish that chases a mouse.
The shorter I am, the bigger I am. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?