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.
My first is in fish but no in snail. My second is in rabbit but not in tail. My third is in up but not in down. My fourth is in tiara but not in crown. My fifth is in tree you plainly see. My whole a food for you and me.
Poor people have it. Rich people need it. If you eat it you die. What is it?
My first is second in line; I send shivers up your spine; not quite shining bright I glitter in the light.
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?
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