ii) Most of animals of this group are terrestrial. A few live in water.
vii) Legs are present for movement.
viii) Some lizards are poisonous.
ix) All the reptiles lay eggs on land. Aquatic reptiles like turtles also lay eggs
on land.
x) They are cold-blooded animals. They cannot maintain constant body
temperature.
xi) Their common examples are lizard, snakes, chameleon, turtle and
crocodile etc.
Example (Lizard): -
i) It is domestic lizard found in houses.
ii) Its body is covered with small scales.
iii) It has two prominent eyes on head.
iv) The digits of finger and toes are padded due to which they can climb on
walls.
v) Flies, mosquitoes and other small insects are food of lizard.
vi) Food is captured by sticky tongue.
Example (Snake): -
i) It lives both on water and land.
ii) Its body is long and cylindrical.
iii) Its eyes are permanently covered with transparent membrane.
iv) External and middle ear are absent. However inner ear is present.
v) Two pits are present in palate. Snake detect their prey by its heat.
vi) There are many species of snake but 1/3 of them are poisonous.
vii) Poisonous glands are present in mouth. It inject its position through
upper teeth called fangs.
viii) Non-poisonous snakes catch and kill their prey and then engulf them.
ix) Most snakes lay eggs but some give birth to their young ones.
x) Some snakes like garter and copper head keep their shelled eggs in their
body, which hatch inside the body.