Characteristics of Reptiles and Amphibians - PowerPoint PPT Presentation

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Characteristics of Reptiles and Amphibians
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Characteristics of Reptiles and Amphibians

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  1. Characteristics of Reptiles and Amphibians By: Brandon Taute

  2. Skin • Reptiles • Tough, dry, scaly • Protects against injury • Amphibians • Thin, moist, no scales • Contains poisonous glands for protection Blue Poisonous Dart Frog

  3. Lungs • Reptiles • Suck in air by enlarging thoracic cavity • No muscular diaphragm • Amphibians • Force air into lungs with mouth muscles

  4. Reptile Heart • Flexible circulatory system • Higher blood pressure • Incomplete separation between right and left sides of heart

  5. Body Structure • Reptiles have better body support than amphibians • More efficiently designed limbs for land travel • Most reptiles walk with legs outward and body close to ground

  6. Largest to Smallest Reptiles • Largest • Salt Water Crocodile • 8 meters on average • Found around Indian & West Pacific Oceans • Smallest • Gecko • Under 20 millimeters • From Caribbean Virgin Islands Salt Water Crocodile

  7. Largest to Smallest Amphibians • Largest • Giant Salamander • 1.5 meters • Found in Cold Streams in Japan • Smallest • Brazilian Frog • 9.8 millimeters • Found in Brazil Brazilian Frog

  8. Threatened and Endangered Reptiles • Eastern Indigo Snake • Threatened • Alabama Red-bellied Turtle • Endangered • Atlantic Green Sea Turtle • Endangered Extinct Reptiles Alabama Red-bellied Turtle

  9. Threatened and Endangered Amphibians • Flatwoods Salamander • Threatened • Red Hills Salamander • Threatened Extinct Amphibians Flatwoods Salamander

  10. Skin Review

  11. Next Jeopardy

  12. Which species contains poisonous glands for protection? Answer Skin $100

  13. Which species sucks air into its lungs by enlarging the thoracic cavity? Answer Lungs $100

  14. Amphibians

  15. Reptiles

  16. http://animals.about.com/od/onlinecourses/a/endangeredamphi.htmhttp://animals.about.com/od/onlinecourses/a/endangeredamphi.htm http://animals.about.com/od/onlinecourses/a/endangeredrepti.htm Hickman et al. 2006. Integrated Principles of Zoology. 13th ed. Cited