Reptilia Class Reptilia Basic Characteristics 1 2 3

Reptilia

Class Reptilia Basic Characteristics: 1. 2. 3. 4. 5. 6. 7. 8. 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

What are the four orders of reptiles? • Reptile Classification

What is a tuatara? 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?

Gecko Information

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

Chameleon

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

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?

Turtle Shell Turtle Age • 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?

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

Snake Senses • 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

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.

Venomous Snakes What effect does a hemotoxin have? What effect does a neurotoxin have? Snake Bites What is the most venomous snake? Deadly Snakes Check out the video. What are the venomous Venomous Snakes snakes found in Search for pictures of Georgia? these snakes.

Reptile Reproduction • 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

Amniotic Egg Click on the link to Form and Function of the Amniotic Egg

Reptilian Egg Blanding’s Turtle (Nova Scotia)

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?