Answer:
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
I keep growing and am practically indestructible. I get eaten, but always come back. I survive cold and lie everywhere. You see me everyday. What am I?
I am an activity involving pins flying in the air.
What tastes better than it smells?
What word sounds the same even after you take away four of its five letters?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.