Amphibians
Most amphibians start life in water. When they grow up they have a life on land.
Frogs and toads are amphibians.
Frogs and toads are amphibians.
A frog
A toad
Newts and salamanders are amphibians too.
A newt
A salamander
An amphibian has a backbone.
A frog's backbone
Most amphibians lay eggs in water. The eggs are soft.
Soft eggs
Most amphibians have smooth, moist skin. Moist means a bit wet.
This frog's skin looks moist.
Amphibians are cold-blooded. This means they need the sun to keep them warm.
The sun is keeping the frog warm.
Most amphibians start life in water. They breathe with gills and have tails.
Their bodies then change: they grow legs and their tails shrink.
A froglet still needs to grow. It still has a tail.
When they become adults they can live on land and breathe with lungs. Adult amphibians can still swim in water.
A grown-up newt
Licensed under CC BY-SA 2.5 via Wikimedia Commons
Baby amphibians eat plants in water. Adult amphibians eat other animals such as insects.