Answer:
A house has 4 walls. All of the walls are facing south, and a bear is circling the house. What color is the bear?
When I'm metal or wood, I help you get home. When I'm flesh and I'm blood. In the darkness I roam.
I have legs but seldom walk; I backbite many but never talk; I seek places that can hide me because those that feed me cannot abide me
Disgusting creatures that would survive a nuclear strike.
What grows up while growing down?
It produces a flower but it is not its fruit; it produces branches which are its fruit.