Answer:
My first is an insect; my second is a border; my whole puts the face in a tuneful disorder.
The root tops the trunk on this backward thing, that grows in the winter and dies in the spring.
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
If Mississippi should lend Missouri her New Jersey, what would Delaware?
My teeth are sharp, my back is straight, to cut things up it is my fate.
Said to have fifty shades
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?