Respuesta :

They have specialized legs, skin, feet, eyes, and bodies thats why they primarily live in water but can live on land as well 
1) They are cold-blooded
2) They respire both through their skin and through their lungs
3) They lay eggs underwater
4) They spend their time both on land and underwater
5) They don't have scales (like reptiles)
6) Their skin is permeable, meaning that molecules and gases can pass through

Take your pick x