For the most part extant amphibians do not have scaly skin, but early amphibians (the ones that ventured onto land first) are thought to have had scaly, fish-like, skin. A possible exception to extant amphibians having scaly skin are those of the Order Gymnophionia and a few anurans which have somatic dermal bone. Amphibians of Gymnophionia are earthworm/snake like amphibians that have not been widely studied.
YES! the snake have dry and scaly skin.
Frogs have wet, moist skin. Their skin is not scaly, but it is smooth.
The snakes skin was VERY scaly.
the thick scaly skin would be strong to defend against attacks
scaly skin
Amphibians have scaly skin.
No they do not. Their skin is very smooth.
Amphibians have moist skin.
scaly skin
Icthyosis Vulgaris has three "I"s and is a scaly skin disorder.
Reptiles have scaly, dry skin.
Well...... reptiles also have watertight skin so that kind of says why they have scaly skin. This skin keeps their body from drying out in the sun.