If it's a whole onion, then probably because onions can cause Heinz body anemia. The smaller the dog, the more toxic the onion will be.
Bichon Frises are not known to die earlier they are one of the healthiest breeds known to live from 18 to 20 years.
Jimmy Frise died in 1948.
Not immediately, but they can die of anemia from eating onions.
If you let their hair grow, well it usually could grow up to 5-6 inches long, and then you'll HAVE TO cut the dog's hair. If you leave it for about 7 inches long, your dog might become suffocated and die immediately.
if it eats to much of it
If they only get some chocolate then its fine. If they get a lot and its a puppy then it can be bad but it shouldn't die. My bichon when it was a baby got into everything hes had a whole plate of sausages one time donuts one time cake one time chicken. But hes 8 now and hes fine. They dog should be fine. If the bichon got a ton of chocolate he/ she will most likely just be throwning up. Its nothing big. hope for the best for you!
you die
die
No, they will die!
No.
the platypus eats because every living thing eats or they will die
I think if it eats too much yes.