The animal A which is classified as an amphibian lays eggs in pond water. The hatching of its eggs produces a tailed-form B which looks very different from the animal A. The form B then undergoes a change C and gets converted into animal A.

(a) Name (i) animal A and (ii) form B.


(b) What is the change C known as ?


(c) name the breathing organs of A.


(d) What are the breathing organs of B?

(a) Animal A is Frog and form is Tadpole.

(b) The change from Tadpole to Frog is called as Metamorphosis.


(c) Since, A is Frog, hence the breathing organ of Frog is Lungs.


(d) Since, B is Tadpole. The breating organ of Tadpole is gills.


88