Answer:
I begin and have no end and I end all that begins. What am I?
I am the kind of fish that chases a mouse.
Only one color, but not one size. Stuck at the bottom, yet easily flies. Present in sun, but not in rain; doing no harm, and feeling no pain. What am I?
I have no life but I can die. What am I?
I am constantly overlooked by everyone but everyone has me.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.