Comment upon the habitats and external features of animals belonging to class, amphibia and reptilia.

Amphibia –

a) They can live on land as well as in water.

b) They have thin and moist skin (without scales)

c) Their eyes have eye lids.

d) Most of them have two pairs of limbs.

e) A tympanum is representing the ears.

f) Examples – Rana(frog), Salamander, Naja (cobra)

Reptiles –

a) They mostly live on land.

b) Their body is covered with dry and cornified skin and scales.

c) Tympanum represents ear.

d) Have two pairs of limbs. Their mode of locomotion is mainly creeping and crawling.

e) They are oviparous, fertilization is internal and development is direct or indirect.

f) Examples – Crocodile, turtle, tortoise