AMPHIBIANS REPTILES
1. These are aquatic or terrestrial. 1. These have terrestrial habitat.
2. They breathe through lungs or gills. 2. They breathe only through lungs.
3. They have smooth, slimy, non- 3. Their body is covered by waterproof
scaly exoskeleton. scaly exoskeleton.
4. Heart is three chambered. 4. Heart is three chambered(except crocodiles).
5. Their eggs are without coverings. 5. Their eggs have tough coverings.
6. Examples- frog,newt,common toad 6. Examples-lizard, snale, crocodile.