Assuming it is poison ivy, you will develop a rash in your throat. It will then swell and suffocate you.
If you think your cat ate ivy, I would take your cat to the vet and see what they think. Your cat will probably we okay!
she would have to stay there for every food she ate
Nothing
You die.
Nothing good!
YOu die
you would eat fish
it would survive
If you ate human poo, (which you shouldn't) you would most likely get very sick.
You would choke on it and it would make you very ill
You can't eat fire.
I would probably still be hungry. nothing bad will happen.