They cannot impregnate themselves per say but they can retain sperm from one breeding to the next as well as have litters from multiple partners. Just to add to this thread: There was a man who claimed not too long ago that his snake impregnated itself. He claimed it had never been in contact with another snake. I think its his word against science, but just for the record their have been people who have said such things...
The dirt acts as a lubricant which seeps into their skin. This allows the males to impregnate the females.
No, it is not biologically possible for someone to impregnate themselves with their own penis. Reproduction typically requires genetic material from two individuals to create an embryo.
they can if they tried
No they do not.
The snakes throw poison from their sharp teeth or sometimes they bite.
No. Snakes fend for themselves from their first moment of life.
with venom and camouflage
yes they spit and bite
To catch its pray.
Baby garter snakes fend for themselves from the moment they are born.
No, all snakes are not poisonous. Yes, all snakes will bite (even the ones that are not poisonous) They will bite to catch and eat for or to defend themselves.
Snakes don't have legs so they They only slither after people because snakes defend themselves. Snakes don't chase after people they slither after people or prey.