An amphibian having gills in adult stage is

An amphibian havbing gills in adult stage is

in amphibians

Amphibians have :-

Amphibians are

One of the amphibians have gills

Assertion:Frog's tadpole has fish-like form, tail and gills Reason: Tadpole stage is the recapitulation of the fish-like ancestor of frog in the latter's life history

There are 270 bones in the human body at the time of birth. Does this remain same in adult stage? Justify that.

Fish gills are:

Assertion : Amphibians have thin, moist, glandular and vascular skin. Reason : Amphibians respire through their skin.