Answer:
Goes over all the hills and hollows, Bites hard, but never swallows.
I hold two meanings. With one I may be broken with the other I hold on.
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
I destroy your home from the inside out.
I produce wool and spit a lot
What never gets any wetter no matter how hard it rains?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic