No, blue bellied lizards (aka Western fence lizards) are not venomous.
Western fence lizards usually do have blue bellies, and are sometimes called 'blue-bellied lizards'
Cricket, flies
20 years probally
2 times a day
The "blue bellied lizard" is not a species of lizard. In fact, there are so many species of lizards with this trait that it is too vague for me to confidently answer. I will assume you mean a western United States species of tree lizard of some sort or a lizard of the genus sceloporus. Both are insectivores.
yes they are
Yes, Beaded lizards are venomous.
They're not venomous - if that's what you're asking. However - they can give a nasty bite if threatened enough.
they eat frequently mostly vegetables and fruits sometimes even crickets but they should not be kept as pets
Yes they are.
Yes. There are other venomous creatures though
Geckos are not venomous or poisonous.