Answer:
What peels like an onion but still remains whole?
I'm a red creature from the sea with large claws, or pincers, and I'm often boiled and served as an expensive dish at seafood restaurants.
John Lennon sang about being this toothy creature.
It has plenty of backbone but doesn't have a let. It peels like an orange but it comes from an egg.
What can provide food before it is alive, while it is alive and after it's dead?
What did the piece of wood say when he saw the screwdriver and screws approaching?