A)
(Cartilaginous fish)
(Bony fishes)
Operculum absent
Operculum present
B)
(Cartilaginous fish)
(Bony fishes)
Internal fertilization
External fertilization
C)
(Cartilaginous fish)
(Bony fishes)
Possess 5 to 7 pair
of gills Posses 4 pair of gills
D)
(Cartilaginous fish)
(Bony fishes)
Mostly oviparous
Mostly viviparous
Correct Answer: D
Solution :
Cartilaginous fish have internal fertilization and many of them are viviparous whereas bony fishes are mostly viviparous.You need to login to perform this action.
You will be redirected in
3 sec