How are the viper alike?

The snake and the viper are typical representatives of the reptiles (reptiles) of the middle lane. Both belong to snakes with characteristic common features in terms of external and internal structure and way of life, habitat and life activity. Both are cold-blooded, for normal life, the ambient temperature is important for them. These two species differ only in appearance and some physiological characteristics. The viper is poisonous, has a gray-brown color.

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