Answer:
What can be underwater, under fire, on fire and taking water all at the same time?
What tree that definitely grows does not have a shadow and does not grow fruit?
What word is a plural, but when you add an "S" to the end, it becomes singular?
What can be seen but never found that only hides in the unwound?
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive!