Apoda
Caudata
Anura
Cyclostomata
C. Anura
Salamandar
Discoglossus
Necturus
Amphiuma
Amphiuma
Ichthyophis
Salamander
Necturus
a single body segment each
a multiple number of body segments each
a single and from multiple segments respectively
none of these
They have middle ear apparatus
They show parental cafe
They lose tail and gills during metamorphosis
All of these
Uraeotyphlus
Triturus
Siren
Amphiuma
tympanic membrane and tympanic cavity
middle ear ossicle
eustachian tube
all of these
lizards
rabbits
salmanders
crocodiles
Ichthyopsida
Ichthyopsaurus
Ichthyodactyla
Pterodactyla
blood circulation in the body.
venous system
arterial system
all of these
Ichthyophis
Sharks
Rays
Cuttlefish
Anura
Apoda
Gymnophiona
Urodela
nucleated and round
enucleated and oval
enucleated and round
nucleated and oval
Cryptobranchus - hell blender
Necturus - mud puppy
Uraeotyphlus - blind worm
Alytes - midwife toad
toads
frogs
salamanders
lizards
thick and cornified epithelium
poorly cornified stratified squamous epithelium
a simple columnar epithelium
small microscopic scales in it
Hyla
Uraeotyphlus
Ophisaurus
Discoglossus
ward off their enemies
attract the opposite sex
identify the same species
collect the young ones
dry
scaly
moist
both (a) and (c)
single occipital condyle and 10 pairs of cranial nerves
single occipital condyle and 12 pairs of cranial nerves
two occipital condyles and 10 pairs of cranial nerves
two occipital condyles and 12 pairs of cranial nerves
Cryptobranchus - hell bender
Necturus - mud puppy
Amphiuma - congo cell
Rhacophorous - flying frog
Sparrow
Hyla
Mouse
Bufo
Salmander
Cryptobranchus
Necturus
Bufo
Gill slits in adults
Long vertebral column
Tail in adults
Teeth in both the jaws
Hyla
Bufo
Rhacophorus
Rana
pronephric kidney
mesonephric kidney
metanephric kidney
both (a) and (b) ,
Alytes - midwife toad
Hyla - tree frog
Necturus - mud puppy
Bufo - common toad
neoteny
paedogensis
paedomorphosis
none of these
Frog
Necturus
Toad
Hyla
Hyla
Bufo
Necturus
Ophisaurus
Oviparous
Eggs non-mosaic
fertilisation external
Cleavage-meroblastic