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Strictly speaking snakes aren't poisonous, they're venomous.


Poison is stuff that's dangerous to eat or drink. Snakes don't work like that.

Snakes need to get their stuff into your blood stream to do any damage.


To make sure their prey is killed quickly and to defend It's definitely not to bite people and kill them.The primitive snakes were all non-poisonous.But during the course of evolution the salivary gland has been modified to secret poison in few snakes to aid the killing purpose more precise and potent.Because its what worth if despite of being bitten the prey escapes ?Its not serving the very purpose the snake is seeking for.But once the snakes devloped venom the problem solved , as we know snake venom is nothing but a mixture of complex proteins helping snakes killing it's prey rapidly and aiding in digestion as well.

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7y ago

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