· They are over 300 million years old.
· They are cold-blooded,
· They are egg-laying
· They have Vertebrates.
· When they hatch from their eggs, amphibians have gills so they can breathe in the water.
· Later, their bodies change, growing legs and lungs enabling them to live on the land.
· First part of their lives in the water and the last part on the land.
· Frogs, toads, newts, salamanders, and caecilians.