Body is covered with dry and cornified skin and epidermal scales in:
Mammals
Reptiles
Amphibians
Fishes
The characters given below are associated with - .
i). Body covered by dry and cornified skin, epidermal scales or scutes.
ii). No external ears.
iii). Crawling or creeping habit.
iv). 3-chambered Heart.
v). Eggs with yolk.