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Reptiles and Amphibians

Reptiles and Amphibians. A Brief Introduction. REPTILES. (Examples: Snake, Turtle, Lizard, Crocodilian). Cold Blooded (same temperature as surroundings) Lay water tight eggs on land or give birth to live young Skin is dry and covered with scales

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Reptiles and Amphibians

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  1. Reptiles and Amphibians A Brief Introduction

  2. REPTILES (Examples: Snake, Turtle, Lizard, Crocodilian) • Cold Blooded (same temperature as surroundings) • Lay water tight eggs on land or give birth to live young • Skin is dry and covered with scales • No Metamorphosis (young look much like adults) • Male has intromittent organ and deposits sperm in female

  3. Amphibians (Frogs, Toads, and Salamanders) • Cold Blooded (Body is same temperature as surroundings) • Lay Jelly like eggs in water • Skin is moist and has no scales • Metamorphose from larval stage to adult • Male deposits sperm externally

  4. Remarkable Reptiles • Lizards • Have cylindrical bodies and short legs • Climbers have long tail for support and balance • Snakes • Have no ears and cannot hear • Use tongue for smelling • Swallow prey whole using hinged jaw

  5. Where to find Reptiles and Amphibians • Smithsonian National Zoo • St. Louis Zoo

  6. Presented by Michael Murphy

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