Class Amphibia –

– Aquatic and terrestrial both.

– Two pairs of limbs.

– No neck.

– Body has head and trunk only.

– No external ear, tympanum on surface.

– Heart three chambered.

– Cloaca present.

– Respiration by gills, skin and lungs.

– Sexes separate.

– Fertilisation external, development direct/

– eg. Ranatigrina, Bufo, Hyla etc.


LEAVE A REPLY

Please enter your comment!
Please enter your name here