Yes, cockroaches will eat an onion. The cockroach will feeds on almost anything that is left out on a counter.
Cockroaches will eat any kind of organic material, they may eat (rotten) onions if that's what you meant.
what does the cockroach eat
Yes, geckos do eat cockroaches as part of their diet.
Try re-typing your question so I can give you an accurate anwser.
They eat Rice sambar
Yes, house lizards commonly eat cockroaches as part of their diet.
No, they can eat fruits and veggies, just not onions
anything!
Cockroaches mostly use a knife and fork to eat, but the oriental cockroach (Blatta orientalis) uses chopsticks.
I do know that chickens love to eat cockroaches. I am not sure of other predators.
yes, believe it or not Cockroaches are an excellent source of protein.
Meal worms can not eat onions or pickles, but they can eat strawberries. :)