Amphibians
Amphibian = lives in two worlds: land and water
Order Anura: frogs and toads; no tailall carnivores; reproduction in waterexternal fertilization, tadpole larvae,metamorphosis to adults
Order Urodela (Caudata): salamanderelongated, long tail; reproduction inwater or moist places; mostly external fertilization; no metamorphosis
Order Apoda (Gymnophiona): caeciliansno legs, wormlike bodies; live in tropicalsoil; often blindfertilization internal, birth of young