Question

Differentiate between class Reptilia from class Amphibia.

Answer 1

1. Reptiles: - The word ‘repre’ means ‘to crawl’. These are creeping vertebrates.
2. Amphibians: - The word ‘Amphi’ means ‘double’ and ‘bios’ means ‘life’. They are found both in water and on land.

Difference between class Reptilia from class Amphibia

S.No	Class Amphibia	Class Reptilia
1.	They can breathe through gills as well as lungs.	They can only breathe through the lungs.
2.	They have mucus glands in the skin. The skin is smooth and moist covered by sticky mucus.	They possess scales.
3.	Fertilization is external.	Fertilization is internal.
4.	They excrete ammonia or urea.	They excrete uric acid.
5.	The body is divisible into a well-developed head and trunk.	The body is divisible into the head, neck, trunk, and tail.
6.	They lag eggs in water.	They lay eggs with tough coverings and do not need to lay their eggs in water.
7.	Examples: Indian Bull-Frog (Rana tigrana), Indian toad (Bufo melanostictus), Tree frog (Hyla Arborea), Salamander (Salamanda).	Examples: snakes, turtles, lizards and crocodiles