Answer:
(i)
Amphibians are the vertebrates that can live both on land and in water.
That is why they are also called the vertebrates leading two lives.
(ii) Their body varies in form and the skin is not covered
with scales.
(iii) They lay eggs in water and their larval forms always
live in water.
(iv) They are cold blooded animals having a
three-chambered heart.
(v) They breathe through lungs or gills or skin.
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