Amphibians and Reptiles - PowerPoint PPT Presentation

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Amphibians and Reptiles

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... Turtles, snakes, lizards, iguanas Frog Dissection Label the Frog and Virtual lab Amphibians and Reptiles Ribbit! – PowerPoint PPT presentation

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Title: Amphibians and Reptiles


1
Amphibians and Reptiles
  • Ribbit!

2
Amphibians and Reptiles
  • Both cold-blooded vertebrates
  • Both have 3-chambered hearts
  • Both have a cloaca (intestinal and urinary
    opening)

3
Amphibians
  • Moist skin through which water can pass
  • Young breathe underwater using gills, as adults
    breathe with their lungs
  • Rarely have scales
  • Hatch eggs in the water
  • Examples Frogs, salamanders, toads, bull frogs

4
Reptiles
  • Tough, dry skin with horny scales
  • Most adults are carnivorous
  • Most hatch from eggs laid on land
  • Young and adults breathe with lung
  • Eggs have a leathery shell
  • Examples Turtles, snakes, lizards, iguanas

5
Frog Dissection
  • Label the Frog and Virtual lab
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