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 used when you jump off a bridge for fun.
You bury me when I’m alive and dig me up when I’m dead. What am I?
I am the home for feathery animals.
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
When is it bad luck to see a black cat?