Is a croton poisonous or non-poisonous?

Presuming you are talking about Nelumbo species, then all parts are edible either raw or cooked. Although for any real nutrition, eat the roots after boiling them. There is no point in eating the...

Absolutely. Non-venomous means exactly that... Species that don't employ venom to subdue their 'prey' usually employ the constriction method.

There is not easy way ! The best way is to research reptile species native to your country, then you'll recognise any you might encounter !

It is not poisonous at all. She really good too. They are mostly found in mainland china. Some country like Bangladesh, people eat lotus plant.

Poisonous frogs tend to have brighter colours to warn predators of their poison. They dont need to blend in with their surroundings either.