Answer:
I am a type of cheese made backwards
I am black and white and full of fuzz
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
I regularly change shape yet remain a sphere. I am always there but not often seen. What am I?
I help engines spin and pants stay up.
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk