Name _____________________________

Reading Worksheet 35-1, 35-2
Section 35-1: The Reptilian Body

1. Reptiles Share Several Key ________________________
2. Reptiles live in all areas of the world except _________________________
3. List the 7 key features of reptiles. (fig 35-1)
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4. Why are reptiles better able to move on land than amphibians?
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5. Explain how a reptile can change its behavior to regulate its temperature.
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6. Based on the graph in figure 35-2, where would you most likely find a lizard at 7am? Where would you find the lizard at night time?
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7. A Key Adaptation to _________________ Life Is Water Retention
8. How is the reptile's skin better adapted to living on land than the amphibians?
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9. This type of egg contains both a water and a food supply for the developing embryo: _____________________

10. Match the descriptions to the part of the amniote egg

11. Reptiles Need More ______________ than Amphibians. Why? _________________________________________________________________
12. How many chambers does a reptilian heart have?
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13. Blood that has been oxygenated in the lungs returns to the heart and enters the _______________, from there, the fresh blood enters the ________________, and then is pumped to the ____________ (See figure 35-5)
14. Reptiles have _____________ Fertilization.
15. Compare oviparous to ovoviviparous.
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Section 35-2: Today's Reptiles

16. Lizards and Snakes Have a Unique ___________ Design
17. What is the world's largest snake? __________________
18. How is the jaw or snakes and lizards unique? ___________________________
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19. What is the largest monitor lizard? ______________________
20. How are snakes and lizards alike? ______________________________________
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21. Give two examples of constrictors: ___________________________________
22. Of the 13 families of snakes, only ______ are venomous. Name the types of venomous snakes. ______________________________________________________
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23. Other Orders of Reptiles are Less ________________
24. What is the difference between a turtle and a tortoise?
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25. The upper part of the turtle's shell is called a ______________ and the lower part is called the __________________
26. Of all the living reptiles, which is the most closely related to dinosaurs? _________
27. Describe how crocodilians capture prey. __________________________________
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28. Describe how crocodilian bodies are adapted to the way they hunt.
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29. How are crocodiles different from alligators (see fig 35-11)?
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30. How are tuataras different from other reptiles?
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See "Up Close: Timber Rattlesnake" (page 790-791

31. What is the purpose of the rattlesnake's pit organ? _______________________
32. What is the purpose of the Jacobson's organ? ___________________________
33. What are the effects of rattlesnake venom? ______________________________
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34. Why do some rattlesnakes have longer rattles than others? __________________
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35. Where does a timber rattlesnake live?