Answer:
My first is twice in apple but not once in tart. My second is in liver but not in heart. My third is in giant and also in ghost. Whole I'm best when I am toast.
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.
When I'm metal or wood, I help you get home. When I'm flesh and I'm blood. In the darkness I roam.
A horrid monster hides from the day, with many legs and many eyes. With silver chains it catches prey. And eats it all before it dies. Yet in every cottage does it stay. And every castle beneath the sky.
I love bananas and swing from tree to tree. What am I?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.