Snakes
Crocodiles
Turtles
Chameleons
D. Chameleons
cobra
krait
viper
sea snake
a lizard has limbs while a snake is limbless
a lizard has movable eyelids while in snake the eyelids are immovble
a snake has functionable ear while in lizards the ears are non-functionable
a snake is poisonous while lizards are non-poisonous
Lizards
Sphenodon
Snakes
Crabs
Chameleon
House lizard
Snake
Crocodile
Eryx johnii
Naja naja
Enhydrina
Bungarus
Garden lizard
Cobra
Chameleon
Python
Amphicoelous
Procoelous
Platycoelous
Gastrocoelous
garial
alligator
crocodile
both (b) and (c)
Their body is covered with dry, horny, mesodermal scales
Their skin is devoid of glands
They are poikilothermous
Their skeletons are more bony than in amphibians
dermis
epidermis
cornified cells
stratum germinativum
cobra
python
viper
krait
turtles and tortoises
alligators
snakes
lizards
pre- and post-zygapophysis
zygantera and zygosphenes
neural arches and haemal arches
none of these
Ophiothrix
Heloderma
Ophiosaurus
Both (a) and (b)
Varanus-monitor lizard
Heloderma-g\l& monster
Ophiosaurus-glass snake
Chameleon-coloured lizard
Chelonia
Ophidia
Lacertilia
Rhyncocephalia
terrapins
turtles
tortoises
none of these
Snakes
Crocodiles
Turtles
Chameleons
respiratory system
circulatory system
digestive system
nervous system
nervous system
respiratory system
digestive system
excretory system
buccal glands
salivary glands
palatine glands
lacrimal glands
The eardrum and middle ear are absent in snakes
Turtles are terrestrial whereas tortoises are aquatic
The rami of lower chin is fused in lizards
Crocodiles have a compressed tail
mandibles
maxilla
squamosal
quadrate
garden lizard
crocodiles
cobras
vipers
coral snake
sea snake
sphenodon
garden lizard
Vipers
Cobra
Lizard
Sphenodon
ribs and reduced limbs
ribs only
reduced limbs
reduced ribs
Diapsida
Sauropsida
Ichthyopsida
Synapsida
8 pairs
10 pairs
12 pairs
20 paris
viper
krait
sea snake
cobra