Frog
Necturus
Toad
Hyla
B. Necturus
They have middle ear apparatus
They show parental cafe
They lose tail and gills during metamorphosis
All of these
a single body segment each
a multiple number of body segments each
a single and from multiple segments respectively
none of these
dry
scaly
moist
both (a) and (c)
toads
frogs
salamanders
lizards
Salamandar
Discoglossus
Necturus
Amphiuma
Hyla
Bufo
Necturus
Ophisaurus
nucleated and round
enucleated and oval
enucleated and round
nucleated and oval
Ram tigrina
Hyla
Rhacophorus
Amphiuma
Anura
Apoda
Gymnophiona
Urodela
pronephric kidney
mesonephric kidney
metanephric kidney
both (a) and (b) ,
tympanic membrane and tympanic cavity
middle ear ossicle
eustachian tube
all of these
Sparrow
Hyla
Mouse
Bufo
Alytes - midwife toad
Hyla - tree frog
Necturus - mud puppy
Bufo - common toad
thick and cornified epithelium
poorly cornified stratified squamous epithelium
a simple columnar epithelium
small microscopic scales in it
neoteny
paedogensis
paedomorphosis
none of these
Gill slits in adults
Long vertebral column
Tail in adults
Teeth in both the jaws
Hyla
Uraeotyphlus
Ophisaurus
Discoglossus
Ichthyopsida
Ichthyopsaurus
Ichthyodactyla
Pterodactyla
Amphiuma
Ichthyophis
Salamander
Necturus
Oviparous
Eggs non-mosaic
fertilisation external
Cleavage-meroblastic
Hyla
Bufo
Rhacophorus
Rana
Ichthyophis
Sharks
Rays
Cuttlefish
frogs
fishes
lizards
pigeons
have two auricles and one ventricle
have smooth moist skin
have a cloaca
respire by lungs in adult stage
Oesophagus
Rectum
Duodenum
Intestine
Necturus
Pipa
Amblyostoma
Cryptobranchus
Frog
Necturus
Toad
Hyla
larger in size
stronger
larger sound box
vocal sac
Anura
Apoda
Urodela
Caudata
Salmander
Cryptobranchus
Necturus
Bufo