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Reptilia

Reptilia. Basic Characteristics : Describe reptile skin. What type of egg do reptiles have? Do they have internal or external fertilization? What structures do they have to help them move and climb? How many chambers do reptile hearts have? Is there an exception to the number of chambers?

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Reptilia

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  1. Reptilia

  2. Basic Characteristics: Describe reptile skin. What type of egg do reptiles have? Do they have internal or external fertilization? What structures do they have to help them move and climb? How many chambers do reptile hearts have? Is there an exception to the number of chambers? Are reptiles endothermic or ectothermic? What do reptiles use to breath? General Characteristics Reptile Heart Thermoregulation Class Reptilia

  3. Reptile Classification What are the four orders of reptiles?

  4. 1. What type of animal is the tuatara’s closest relative? 2. Explain the tuatara’s “third eye”. 3. Where are tuatara’s found naturally? 4. What is their life span? What is a tuatara?

  5. How does a gecko walk on the ceiling? Gecko Information

  6. Marine Iguana • What is the marine iguana’s scientific name? • What adaptation does a marine iguana have to manage life in salt water?

  7. Chameleon How does a chameleon change it's color?

  8. Movie Times • Click on the movie reel to see chameleon’s hatch from their eggs.

  9. Alligators and Crocodiles Informative Video Comparison What are the structural differences between alligators and crocodiles? In what countries would you find alligators? In what countries would you find crocodiles? Alligator or Crocodile??? B A

  10. What is the name of the dorsal shell of a turtle? What is the name of the ventral portion of a turtle shell? Can you tell a turtle’s age by its shell? Turtle ShellTurtle Age

  11. Describe the 4 ways that snakes move. Snake Movement Snake Movement

  12. What is the function of the Jacobson’s organ? What is the other name for the Jacobson’s organ? How do snakes use infrared sensors? How sensitive are the infrared sensors? Explain the special structures used for hearing? Do snakes rely on their sense of vision? Why or why not? Snake Anatomy Sense Organs Snake Senses

  13. How does a snake swallow?Snake eating • Describe how a snake is able to swallow food much larger than itself. Click on video to see a snake eating an egg.

  14. Venomous Snakes

  15. Do snakes have internal or external fertilization? What structure receives sperm from males? Define these terms: Oviparous Ovoviviparous Viviparous Fertilization Reptiles Reproduction Strategies Ovoviviparous Oviparous Reptile Reproduction

  16. Amniotic EggClick on the link to Form and Function of the Amniotic Egg

  17. Reptilian Egg Blanding’s Turtle (Nova Scotia)

  18. Male or Female???Temperature Decides • Can temperature determine the gender of some reptiles? • How might this be a concern when considering global warming? • In the central bearded dragon lizard, higher temperatures mean a greater number of what sex?

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