Answer:
I get dirty when wiping things clean. What am I?
My keepers feed me colored balls. With sticks they store on my den walls. Sometimes I store them in my pouch. Sometimes deep in my belly; ouch!
What has roots that nobody sees and is taller than trees. Up up up it goes and yet never grows?
I am a rock group with four members all of whom died in plane crashes. Who am I?
I run around the streets all day. Under the bed or by the door I sit at night never alone. my tongue hangs out waiting to be fed during the day.
Give it food and it will live, give it water and it will die.