Frog
- Diurnal in habit i.e. comes out during day time
- Mainly aquatic
- Skin is smooth and slippery dark strips
- Skin is yellow colored with
- Warts absent
- Cuticle is thin
- Poisonous glands are smaller.
- Premaxillery and maxillary teeth are upper jaw
- Vomerine teeth present
- Tongue is bifid
- Centrium in ninth
- Episternum and omosternum present
- Absence of laryngeal artery
- Urinogenital duets open separately
- Oviducts open separately into cloaca
- Eggs are laid in gelatinous aggregation spaun attached to weeds.
Toad
- Manly nocturnal in habit i.e. comes out during night
- Mainly terrestrial
- Skin is rough, dry and wrinkled
- Skin is brownish in color and dusky
- Warts are present
- Cuticle is thick
- Poisonous glands are relatively large
- Jaws are toothless.
- Vomerine teeth absent
- Tongue is entine
- Centrum in ninth vertebra is vertebrae are a coelous procoelous
- No episternum and in the pectoral gridle omosternum
- Presence of laryngeal artery
- Urinogenital duets unite to open in to the cloaca by simple aperture into cloaca
- Oviducts unite posteriorly & open by single aperture in to oloaca
- eggs are laid in chain like i.e. as irregular strings among weeds in water.