Snakes 101

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Snakes 101

  1. 1. Snakes 101<br />Miss Hartline<br />&<br />Mr. Barrett<br />
  2. 2. What technically is a snake?<br />A reptile. <br />Characteristics- Long, legless body covered in scales. Snakes also have long forked tongues, no external ear openings and eyelids. <br />Can be venomous.<br />Periodically will shed their skin. This is done to replace old skin and rid itself of parasites. <br />
  3. 3. Scientific Classification<br />Kingdom:AnimaliaPhylum:ChordataSubphylum:VertebrataClass:ReptiliaOrder:SquamataSuborder:Serpentes<br />
  4. 4. Diet<br />Snakes are all carnivorous.<br />They eat a variety of animals including small birds, lizards, other snakes, mammals, fish, insects, etc. <br />Snakes eat their prey whole (their jaws are very flexible).<br />
  5. 5. Movement<br />The lack of limbs does not impede the movement of snakes. They have developed several different modes of locomotion to deal with particular environments.<br />examples<br />Lateral undulation- Snakes flexes from the left to the right<br />Sidewinding-modified form of lateral undulation in which all of the body segments oriented in one direction remain in contact with the ground<br />
  6. 6. Are all snakes the same?<br />Answer- No. There are many different types. According to current scientific classification there are somewhere between 2,500 and 3,000 different breeds. <br />
  7. 7. Major Families of Snakes<br />1)Colubridae -- The Colubridae family of snakes is by far the largest family, accounting for nearly two-thirds of the world's snakes. The vast majority of colubrids are non-venomous<br />2)Boidae -- The Boidae family of snakes (known as boids) includes python and boa species.<br />3)Elapidae -- The Elapidae family of snakes (known as elapids) includes cobras, mambas, coral snakes and taipans. All elapids are venomous<br />4)Viperidae -- The Viperidae family of snakes (known as viperids) includes rattlesnakes, vipers, adders and other species. All types of snakes in the Viperidae family are venomous. <br />5)Hydrophiidae -- As the name suggests, the Hydrophiidae family includes sea snakes. Most sea snakes are venomous<br />
  8. 8. “Field Trip”<br />ASU’s Life Sciences Building<br />Our guides: Professor Figueroa and his assistant Katherine Hintz. <br />

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