... side of the body. Since a snake is so long, not all the muscles on one side are contracting at once. The effect is that the body is thrown into horizontal waves. On ordinary ground small bumps in the surface provide means of resistance. So the outer and back parts of the snake are held from moving back by this resistance while ... though that smaller snakes live anywhere from 15-20 yrs and bigger ones 20 or more years. Snakes are ectothermic, or otherwise known as cold blooded. They obtain their body heat from external sources such as the sun and air. Also, they are pokilothermic which ...

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• Grade Level: High School