Answer:
I am the kind of dog that chases anything red. What am I?
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
rub me and a genie might appear
I cannot be burned in fire or drowned in water. What am I?
The more you add the less it weighs. What is it?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.