characteristics of reptiles and amphibians l.
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Characteristics of Reptiles and Amphibians - PowerPoint PPT Presentation


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Characteristics of Reptiles and Amphibians By: Brandon Taute Skin Reptiles Tough , dry , scaly Protects against injury Amphibians Thin , moist , no scales Contains poisonous glands for protection Blue Poisonous Dart Frog Lungs Reptiles Suck in air by enlarging thoracic cavity

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Presentation Transcript
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Skin
  • Reptiles
    • Tough, dry, scaly
    • Protects against injury
  • Amphibians
    • Thin, moist, no scales
    • Contains poisonous glands for protection

Blue Poisonous Dart Frog

lungs
Lungs
  • Reptiles
    • Suck in air by enlarging thoracic cavity
    • No muscular diaphragm
  • Amphibians
    • Force air into lungs with mouth muscles
reptile heart
Reptile Heart
  • Flexible circulatory system
  • Higher blood pressure
    • Incomplete separation between right and left sides of heart
body structure
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
largest to smallest reptiles
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

largest to smallest amphibians
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

threatened and endangered reptiles
Threatened and Endangered Reptiles
  • Eastern Indigo Snake
    • Threatened
  • Alabama Red-bellied Turtle
    • Endangered
  • Atlantic Green Sea Turtle
    • Endangered

Extinct

Reptiles

Alabama Red-bellied Turtle

threatened and endangered amphibians
Threatened and Endangered Amphibians
  • Flatwoods Salamander
    • Threatened
  • Red Hills Salamander
    • Threatened

Extinct

Amphibians

Flatwoods Salamander

cited
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