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
B. Turtles are terrestrial whereas tortoises are aquatic
turtles and tortoises
alligators
snakes
lizards
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
respiratory system
circulatory system
digestive system
nervous system
nervous system
respiratory system
digestive system
excretory system
Varanus-monitor lizard
Heloderma-g\l& monster
Ophiosaurus-glass snake
Chameleon-coloured lizard
king cobra
crocodile
sphenodon
lizard
Wall lizard
Vipers
Flying lizard
Garden lizard
Vipers
Cobra
Lizard
Sphenodon
Chelonia
Ophidia
Lacertilia
Rhyncocephalia
Chameleon
House lizard
Snake
Crocodile
acrodont and homodont dentition
homodont and thecodont dentition
heterodont and thecodont dentition
heterodont and acrodont dentition
Mabuya
Chameleon
Hemidactylus
None of these
Lizards
Sphenodon
Snakes
Crabs
dermis
epidermis
cornified cells
stratum germinativum
Poikilothermic and Amniotic
Homiothermic and Amniotic
Poikilothermic and Anamniotic
Homiothermic and Anamniotic
krait
viper
sea snake
rat snake
coral snake
sea snake
sphenodon
garden lizard
Diapsida
Sauropsida
Ichthyopsida
Synapsida
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
8 pairs
10 pairs
12 pairs
20 paris
poisonous snake
non-poisonous snake
(a) or (b)
(a) and (b)
mandibles
maxilla
squamosal
quadrate
air
snout
skin
tongue
garial
alligator
crocodile
both (b) and (c)
Hetttidaclylus
Chameleon
Draco
Sphenodon
Ophiothrix
Heloderma
Ophiosaurus
Both (a) and (b)
Garden lizard
Cobra
Chameleon
Python
Heloderma
Chameleon
Ophiosaurus
Varanus
cobra
python
viper
krait
movable eyelids
immovable eyelids
noeyeslids
only nictitating membrane