Reptiles and Reptiles and AmphibiansAmphibians

A Brief A Brief IntroductioIntroductionn

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

AmphibiansAmphibians(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

Remarkable ReptilesRemarkable Reptiles

LizardsLizards- Have cylindrical bodies and Have cylindrical bodies and

short legsshort legs- Climbers have long tail for Climbers have long tail for

support and balancesupport and balance

SnakesSnakes- Have no ears and cannot Have no ears and cannot

hearhear- Use tongue for smellingUse tongue for smelling- Swallow prey whole using Swallow prey whole using

hinged jawhinged jaw

Where to find Reptiles and Where to find Reptiles and AmphibiansAmphibians

Smithsonian NationSmithsonian National Zooal Zoo

St. Louis ZooSt. Louis Zoo

Presented by Michael MurphyPresented by Michael Murphy