What Is an Amphibian Splash A frog jumps into a pond Croak A toad calls out to another toad Nearby a salamander crawls in the woods And a newt creeps over leaves How are these animals alike They belong to the same animal class They are all amphibians 4
5 Frogs are amphibians They live on land and in water
How many kinds of amphibians are there Q 6 A caecilian seh-SILL-yun lives underground Some of them grow as large as snakes
Amphibian means double life That’s because most amphibians live two lives They begin life in water Then they move to land These animals are alike in other ways They all have a backbone And they have smooth thin skin Frogs and toads are common amphibians So are salamanders Caecilians look like big worms But they are amphibians too A More than 6,000 kinds of amphibians live on Earth 7
